Mopar thumpr cam. I'm thinking I need a bigger carburetor.

Mopar thumpr cam i. 5) then you could run this cam with either iron heads or COMP Cams 34-602-5 Big Mutha Thumpr Cam, 429-460 Ford, 2500-6400 RPM made by COMP Cams, for as low as $286. Mopar Engines & Components; Fuel & Induction; Chassis & Suspension; Modern Muscle; Drivetrain Components; Ignition & Electrical; Mopar Cooling System Components; Find DODGE 5. General Mopar Tech Discussions . I have the roller mutha thumpr in a 408 and have been very happy with it so far. ? If you already have roller tip rockers you will need a shaft relocation kit from B3racingindustries go to his tech page and read all 4 tech articles If you decide to with 1. The previous owner mentioned that it might need a little tuning to make it run better. Hydraulic Roller-(Mutha' Thumpr) High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle. 383 Mopar Purple Cam. Date published: 2024-04-03. 510/0. I was running a Hughes 1326 whiplash series but it fell off at about 5500. I had driven it to work one day and the guy I worked with said my engine sounded like a stock motor which it was far from 1973 Duster - 72 front clip. 03 Then, we will move onto the benefits of cams and discuss a few of the best Mopar cam upgrades. 21-600-5 Thumpr 227/241 Hydraulic Flat Cam for Chrysler 383-440 Find DODGE 5. 0:1 compression (stock dished pistons with 64 cc chambers), with a Thumper cam (smallest of the bunch) and a dual quad Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. 513 in. 480, Mopar, Big Block, Kit Part Number: CCA-CL21-223-4 3. Duration: 283°/303° Lobe Separation Angle: 107° RPM Range: 1900-5600 Find DODGE 5. Oct 3, 2011 #1 I am running a thumpr comp cam on my 360. Check out our 67 Dodge charger 440 , 727, comp cams thumpr cam, Open hedders IOW, Chevy Thumper lobes are designed for . 1 Year Limited Warranty. 95 from summit. 8L/5. Part Number: CCA-20-602-4 Estimated Ship Date: Feb 10, 2025 So to recap; Most times that a rowdy cam is installed, the additional costs are; Stage-1 assumes that you have headers, a free-flowing exhaust, and a tachometer Stage-2 new cam kit includes; cam/lifters/springs, adjustable rockers, a convertor, and somebody to tune the ignition and carb. Thumpr cam: I ditched the Thumpr cam in favor of a COMP XE268h, which still sounds pretty good and is better for a street car. You already have the intake, all that stuff was designed to work together. 00 or more and take 2-3 weeks. Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . 6 Rocker Ratio)Ported TA Heads Pacemaker Comp Headers #plymouthroadrunner #v8 #americanmuscle #loud #camshaft #mopar This is our 1969 Plymouth Roadrunner with a all motor 383 big block mopar with a comp thumpr cam. . This cam was only 5 hp from 2 or 3 others and the same for the torque numbers. COMP Cams engineering team proudly introduces the Thumpr Series cam and lifter kits. What would be my best combo for compression utilizing my 915 heads. If you arent getting crazy with compression (over 10. 050] Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods; Early intake valve opening and Featuring a huge selection of COMP Cams Mutha' Thumpr Series Camshafts - in stock and ready to ship today! Talk to the experts. The Thumpr series of cams utilize lobes that are pretty easy on parts. 91 gear, RPM Air Gap and a 2500 converter would work well with that thumper hyd roller cam (283thr7). Material: Billet Steel. Thumpr Retro-Fit Hydraulic Roller Camshafts. I want the long snout Find COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. 318, AMC, Dodge, Mopar, Plymouth, Dart, Road Runner, Charger, Challenger, 383, 400, 440, 426, HEMI, 426 Wedge, 426 HEMI, RB, B, HEMI, 392, Chrysler, LA Find 1991 DODGE 5. 050”, 284/290 adc, . It should work with the 3. 23 gears, street strip use. You didn't say what heads will be used? I would want to know that before I picked a cam. If it was me, I think I'd be looking for a Thumpr/Whiplash whatever; The HUG 1326 installed at 104 has an Ica of just 53*, so your early, Hi-compression,318 will still have some torque left over. 473, Mopar Find CHRYSLER 6. Thread starter Max lobato; Start date Mar 28, 2017; Mar 28, 2017 #1 M. One person suggested the thumpr might be too much cam for a "teen". $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: Mopar Cooling System Components; Mopar Exhaust; Mopar Interior Accessories; Cam Grind Number: 283THR7 ; Duration Advertised: Intake - 283, Exhaust - 303 Mopar Performance. Heard a lot of mixed reviews. It provides a distinct, lopey sound, emphasizing performance characteristics. 9L/360 Mopar small block Magnum COMP Cams Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List! Cam Style. The Thumpr line delivers true high performance engine sound by “tightening” the lobe separation angle of the camshaft. 498 in. $19,000. 507/494 COMP Cams 34-602-5 Big Mutha Thumpr Cam, 429-460 Ford, 2500-6400 RPM made by COMP Cams, for as low as $286. Hydraulic roller, OE roller (6) Hydraulic roller, Retro-fit (2) Get Results; Camshaft Use. Memphis, TN 38118 Phone: (901) 795-2400 Fax: (901) 366-1807 www. 486 lift COMP Cams Mutha Thumpr 291THR-7 Hydraulic Roller Camshaft for Small Block Chrysler. The dyno chart to the left is a 350 c. Any cam doctors out there? This was a previous engine combination in the car, and walked circles around current mild LA setup. 00/1. Check that one out. - Cold Start 360 - Magnum10. I will start by telling what I have and what I am considering. Joined Aug 15, 2011 Messages 22 Reaction score 0 Location Tampa, Fl. 541/. (Dyno Chart/Richard Holdener) The test mule was a Mopar Performance 360 Magnum crate motor (12 to 13 years old) originally rated at 300 hp. This was a 1987 Roller 318 block, stock magnum heads, ede This is an idling video of my 1972 Plymouth Satellite. 444, SB Mopar Part Number: SUM-K6920 Not Yet Reviewed I have a 70 383 block factory pistons and 346 heads, was planning to put the small thumpr cam in it, and run an Edelbrock performer intake on top. ) Also, IMO, it will work better. engines such as all the 318's, 360, 400 and all 383 & 440's built after 1971. I presently have a Comp Cam 21-222-4 with The Thumpr line of camshafts is a series of retro-fit hydraulic roller camshafts designed for use in 1955- 1998 262-400 cubic inch Small Block Chevrolet engines equipped with flat tappet I'm running a Vortec head 350 SBC, maybe 9. Thread starter 440BelII; Start date Feb 2, 2020 - Status Not open for further replies. 464/464 110 not magnum 268/276 adv cam Purple Plus 284 239 154 . Mopar 426 HEMI. 318/360 heads,with thumper cam. 484 intake and exhaust, duration @ . 9L/360 Mopar small block LA COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. if On another note on this cam swap. 507"/. Comp Cams Thumpr Hydraulic Flat Tappet Camshaft - 26-600-7 Had the bone stock 452 heads gone through and had the correct valve springs installed for the MP 284/484 cam i used. 494, Mopar, Small Block LA See More Specifications | Check the Fit. According to Comp Cams you will have too much compression for a Thumper camshaft. 71 340 block bored . 473, Mopar, Big Block, Kit. /241 exh. If you’re just getting started with modifications, then we recommend starting with some simpler upgrades first. 486"/. O'Reilly Auto Parts carries products from Comp Cams Thumpr. Pretty mild, small HR cam, MP 452 straight plug heads w/mild port work(stage 1), Pump gas 9. Find CHRYSLER 5. 52 Rockers, Weiand Dual Plane This is an idling video of my 1972 Plymouth Satellite. 050 9. the thumper is hyd 486 int473 exh. Comp Cams states this cam requires a valve spring upgrade. Part Find CHRYSLER 7. Browse our selection of options to find the right products for your vehicle. 3L/383 Mopar big block B Camshaft Kits Hydraulic flat tappet Cam Style and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-600-5 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . 00. 33 out of 5 stars ( 3 ) Mopar Technical Forums. Shop Now at the Guaranteed Lowest Price! Find DODGE 5. Go The cam thats in the block now is a comp cams thumper cam,the smallest of the three,. Scat rotating assembly. 1 comp std bore but flat tops . 6L/340 Mopar small block LA COMP Cams and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL20-600-4 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . I have no issues with it idling at 850rpm in gear. The reason I put the big mother thumper cam in was because I just had done my first roller cam conversion and my previous build had a slightly bigger flat tappet cam specs wise and had a more radical choppy idle to it. Dur. 473" Duration 279/296 RPM Range 2000-5800 K21-600-5 parts at JEGS. 505 Lift, Hemi, Each Pro Hemi Stage 4 Hydraulic Roller Cam, 224/228 Duration @. 979. M. The old mopar 292/508 cam sounds wicked but its probably a bit much for a 318. Just a set of rings, bearings, valve springs, and that's it, Find CHRYSLER 7. 1 of 3 Go to page. Or better yet, cruise night or car shows and church on Sunday. Thumpr cam question. 318, AMC, Dodge, Mopar, Plymouth, Dart, Road Runner, Charger, Challenger, 383, 400, 440, 426, HEMI, 426 Wedge, 426 HEMI, RB, B, HEMI, 392, Chrysler, LA This Thumpr cam is nothing but crap. 050, 115 LSA 360 . That means they can have a lumpy, intimidating idle and still drive the car to work every day. Home. 6 sec quarter mile @ 109mph I am building a 318 with 308 heads and am tryiing to pick a cam. The carb they were using was pretty lean and they’ve I know of a couple guys going mid 6's in the 1/8 mile with a Thumpr cam, and I've personally installed 4 of them in engines myself. Checked for vacuum leaks even hooked the Guage to the dipstick tube and no leaks. 039 headgasket. 050" lift with a 0. üÿÿû{µÿÿóó¥2+ û ` ÁÆ8¤ ´9ÍÜf’S÷5“ÕÅÚ ¨ ‘6~Äãß÷ßm –ÁÄÉÄiqÐè@ “ÏÈì¤ã¹÷¾á½¶ ¿ t Âð Jqx4Üwßí£} b šRÀ@QSÀD b „éµ, ø8 t0ÄÁÕÄ LÐé³9¸ Ï ™”±“ãà:9L>D¦ñouNï¼M „¦ÝßÂÕ«÷ 7_þ~üÀ:êÕõUG½b t[x¨½ë« A\_õHÀê ¬C*¼‘š ó®¯\må@ŒŽ ƒ’5 4z¦Ä ¿œÑÞõÉ{S Mx /÷:¢Áå³™«;ì!4¶õ|ï It's hard to recommend a MP cam after all the problems I've heard about, but something similar to a . 2L/318 Mopar small block LA COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits 227 int. COMP developed these new Thumpr cam grinds to not only make a great idle sound but also to produce a significant gain in both horsepower and torque. They were originally designed for big sound but they are actually outperforming the extreme line. 03 71 340 block bored . COMP Cams CL12-602-4 - CL12-602-4 Big Mutha' Thumpr Hydraulic Flat Tappet Cam and Lifter Kit for Chevy Small Block Engines [Duration 243/257 @ . 473 in - Duration 279 / 297 - 107 LSA - 2000 / 5800 RPM - Small Block Mopar - Each Thumpr Retro-Fit Hydraulic Roller Camshaft; 1964-2002 Small Block Chrysler LA 273-360 V8 Engines; Lift: . It will have a nice idle. 486 / 0. Mopar Technical Forums. 479/. What are the specs on a Mutha Thumpr cam? The Comp Cams CL12-602-4 offers a duration of 243/257 at . If the idle speed is set normally (800-1200rpm) the engine will die when you put it into gear. 030 over 440 with 9. 513"/. $515. With them, you can expect a substantial power Find DODGE 5. 287 240 153 . A Body Classic Mopar Forum; C Body Classic Mopar Forum; E Body Classic Mopar Forum; F, M & J Body Classic Mopar Forum; Other Sites to Visit. Haven't been able to drive it ye Cam and Lifter kit, Muscle Car Cam, 340 4bbl, Hydraulic Flat Tappet, 1,500-4,000 RPM Range, Advertised Duration 279/289, Lift . 508 cam purple shaft 340 j heads 2. 001 in the hole. Any cam doctors out there? Thumpr cam: I ditched the Thumpr cam in favor of a COMP XE268h, which still sounds pretty good and is better for a street car. Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 295/312, Lift . 60 valves 340 intake 750 holley DP I like the whiplash cam K20-600-4 - Camshaft Kit, CRS 279T H-107 T THUMPR. Big Block A body Tech . 6 rockers, 750 carb, 4. 486/473 lift. But his factory motor is rated at 10. whiplash is probably COMP Thumpr camshafts use an early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Set up Now 360 I think about 9. Cam choice for low compression motorhome 440 A careful look at the Whiplash/Thumper type cams listed on the previous page shows that the Thumper cam will close the intake valve sooner @ . COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL20-602-4 CCA-CL20-602-4. 3L/383 Mopar big block B COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits No Locks Included and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a Forget about comp cams except the purple power and HL hyd (which are too big for you) the Thumper is ok if your compression is way down there get up near a real 9:1 and there are better choices the Lunati 268 is much better than the comp 268 which slams the valves closed hard and makes tell tale noise this is true of all XE cams post back when you get your The power numbers we received with the Thumper cam were a little surprising. Find DODGE Mopar small block LA Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! The 383 came with the mopar 484 cam which is also what I have in my 400. As any engine builder knows, proper break-in is Have a 67 Coronet with 318, want to run the smallest of the hydraulic Thumper cam from Comp cams, I see you can't run stock valve springs with this cam, but it also says with using Comp Cams valve springs for this cam, machining is required, anyone else here run this cam with there Mopar small block motor without machining and what machining needs to be done Big Mutha Thumpr Cam (#PN 12-602-4) 295/313 Duration; 2500-6500 RPM Range; Lift: 0. I have a 408 stroker in the works. 75 to 1 compression. This cam will work for a 327 if you upgrade your valve springs. com Part #145 Revised 5/4/12 distributor gear with a new camshaft could result in severe engine damage. 509, Mopar, Small Block LA. 0CR. 0L . The dyno chart to the left is a 350 I was leaning towards the comp Mutha' Thumpr 235/249, maybe with a 1. Performance . 498" K20-600-9 parts at JEGS. 2:1, it made a really broad torque curve but really needs 2500 stall to work properly. Stock Replacement (4) Street/Strip (3) Street (1) 440 with comp thumper cam Mopar Performance. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Received a Comp Cam today, Thumpr CL-20-600-4. 02 1. 484 Camshaft - Thumpr - Hydraulic Flat Tappet - Lift 0. Mutha' Thumpr 235/249 Hydraulic Roller Cam K-Kit for Chrysler 273-360 PRODUCT NOTES: Kit Type - K-Kit - Complete Kit Camshaft Series - Thumpr Usage - Street/Performance Cam Type - Hydraulic Roller Basic Operating RPM Range - 2,200-5,900 R3 Intake Duration at . Made over 425tq/425hp so far. 75 out of 5 stars. 420 exh. 875 lifters and Mopar Thumper lobes are designed for . COMP Cams CL11-602-4 - Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift . COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-602-5 CCA-CL21-602-5. 040, Scat 4" crank, Eagle SIR6123CB rods, Comp 20-602-4 Thumpr Hyd Flat Tappet cam, windage tray, factory stamped rockers, 7. Those cams on smaller displacement engines tend to get very peaky in the power bands. It has a stock 318 with Summit 6901 cam, street dominator intake,Holley Carb, Hooker Super Comp header About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright COMP developed the Thumpr, Mutha' Thumpr and Big Mutha' Thumpr cam grinds to not only make a great idle sound but also to produce a significant gain both horsepower in torque. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright #plymouthroadrunner #americanmuscle #v8 #muscle car #mopar#compcam #camshaft My combo I run in my d150. 20-601-4 CAM. 513/. With cams available in hydraulic flat tappet, mechanical/solid flat tappet and hydraulic roller configurations, COMP Cams® offers the perfect Thumpr™ cam for any street rod or traditional hot rod. 541 Hyd Roller for GEN III/IV 4. Rigorously tested and There are several threads that 274 comp degrees is too big for the stock converter btw what is a roller rocker cam? XE274 roller rocker cam. I had one in a low comp 340 and it did ok on the street. Duration at 050 inch Lift and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or Get the Best Performance with COMP Cams Big Mutha" Thumpr Hydraulic Flat Tappet Cam Lift . Trans is a TH350 with a shift kit with a 2500 stall convertor with a lock Find DODGE 6. Mopar Performance. 477/. 6L/340 Mopar small block LA COMP Cams Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits CL20-600-9 Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift . I looked at two cams - the thumpr and The stock heads will work fine with a good valve job and install the springs that come in the kit to match the cam Look up the manufacturer's recommendations: 20-600-4 - Thumpr™ Hydraulic Flat Tappet Camshafts Pay Find COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. 050 227 on intake,241 on exhaust,107 lsa,and 1500- 5800 op range,oh Thumpr Hydraulic Flat Tappet Cam. 494" Duration 295/312 RPM Range 2500-6400 K20-602-4 parts at JEGS. Strapped to the local dyno, this FY1 Partially restored 85 Dodge W150 with 360 magnum big cam and 1 ton rears This is my new 383 build. This cam is like the old Mopar 292/108 cam except with; slooow ramps, and an extra, useless, 20* of exhaust duration, and then advanced to where it will actually stay running, when you put it in gear. In an Miss the sound of the Thumpr cam I had, but I like the practicality of the XE268h. It had no vacuum (6 inches) and had to run with 3 1/2 turns of curb idle just to stay running, and forget about idling in gear. 494" Duration 295/312 RPM Range 2500-6400 CL20-602-4 parts at JEGS. Full Frontal - Series 3 - Episode 1 (1995) About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Whiplash cams are designed for the very low compression Mopar O. A milder cam than the ol'284/. Stock bottom end, stock heads, air gap intake, headers, dual exhaust, FBO ignition, and an eddy 1406 carb 600 cfm (might upgrade this), 3. Pick the cam that fits your application, add a set of hydraulic lifters and you will be the talk of the town. Find DODGE Mopar big block B COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. I have a zz4 shortblock, GM fast burn heads (62cc, 2. 533 Bootlegger 285/312 240/252 515/515 10. Rigorously tested and checked for quality. DusterDillon74 Member. 5 out of 5 stars. This is going in my 67 barracuda fastback and was hoping to get some performance gains out of it but nothing crazy. Mopar Engines & Components; Fuel & Induction; Chassis & Suspension; Modern Muscle; Drivetrain Components; Ignition & Electrical; A vacuum pump would be good with the Comp 249-12-602-8 Thumpr cam. They're about the same price in parts, too. 9 build. 55 gears, especially in a smaller car. Holley hp series 750. (They recommend Thumpr Series camshafts is a line of cutting-edge hydraulic roller camshafts for engines originally equipped with flat tappet cams. Stage-3 performance rear gears, and maybe a slight re-tune. Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. /296 exh. Two of COMP Cams’ most popular SBF Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. My truck had 302 casting heads though, which are better than the old ones. 473 lift,279/296 duration, dur @. High Energy/Marine 218/218 Hydraulic Flat Cam for Chevrolet Small Block Thumpr 4 and 7 Swap Firing Order 3 items ; Thumpr NSR (No Springs Required Find DODGE Mopar big block B COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. 522/. COMP CAMS. 6:1 CR. I want it to pull to 6000. 3. COMP developed the Thumpr, Mutha' Thumpr and Big Mutha' Thumpr cam grinds to not only make a great idle sound but also to produce a significant gain both horsepower in torque. You may want to check out the Comp Thumpr line. Show More Show Less If I was to buy a cam to put in my stock bottom end 318 with 302 heads and dual exhaust, LD4B intake and 600-650 carb I would choose the Howards #711381-10 208/214 255/261 . 455 Exhaust The power numbers we received with the Thumper cam were a little surprising. The Mopar cam above will get the job done and shoud work with your springs and combination, plus the cam/lifter kitss are fairly inexpensive. Reuse the lifters and pushrods, new springs for the cam, get headers COMP Cams 249-CL12-601-4 requires a minimum of 9:1 compression. Cam only ,no lifters. 444, SB Mopar Part Number: SUM-K6920 Not Yet Reviewed Get the Best Performance with COMP Cams Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Single-Bolt Lift . 050 Inch Lift - I purchased and installed a Comp-Cams Thumper Cam. 500 lift range. Also, the timing events of the Thumper are a bit whacked so they can get that sound. On another note on this cam swap. A more conventional cam/timing events should not have this problem at all. The unique About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Rebuild engine with comp cams thumpr camshaft Find COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits 279 int. I am running it on a COMP Cams Thumpr Hydraulic Flat Tappet Camshafts 20-602-4 CCA-20-602-4. 2 COMP Cams® 3406 Democrat Rd. I just installed a Lunati in a 408 with edelbrock heads to replace the thumper cam that was killing it. 5:1 I am building a 318 with 308 heads and am tryiing to pick a cam. 5 ton pickup and it ran real good with the intake too. Quick view Add Wish List. I could not afford a thumpr setup and this cam is a tad smaller but is an excellent if not well known grind, with a 110 so it has vacuum, too, not a bad choice I think, worth a look. Cam Type: Hydraulic Flat Tappet. DNA Motoring LT headers, Precision Industries 2800 RPM Stall, 6. 6 rockers get cup adjusters and oil through the pushrods lifters Stock 440 Cam Specs: Mopar. 486/0. In an Buy COMP Cams CL21-602-5 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440: Camshafts - Amazon. Cam and lifter kit is reasonable in price too. 1973 Duster - 72 front clip. 2L/440 Mopar big block RB COMP Cams Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-600-5 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . I'm thinking I need a bigger carburetor. /. MOPAR Specific Grinds I was considering the thumpr cam. With them, you can expect a substantial power increase I have a 1962 383 with Dual 4 Barrels, 3 inch exhaust, 10 to 1 compression ratio, 2500 Stall and a 3. I don't mind buying a better cam. Mopar Engines & Components; Fuel & Induction; Chassis & Suspension; Modern Muscle; Drivetrain Components; Ignition & Electrical; COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits. 420 int/. 6:1 rocker), 108 sep As you Turn your dream hot rod into a reality with the help of COMP's Thumpr series camshafts. They claim a "lopey" idle, but still strong midrange. Street/strip, needs 9. In an Find DODGE 6. The 995-16 Comp springs have been around a lot longer than the Thumpr cams, so the springs were designed before the cam. 522"/. 6 CR - Thumpr Roller CamOpen headers3. Duration at 050 inch Lift and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or My combo I run in my d150. That_1_71_Dodge; May 16 Received a Comp Cam today, Thumpr CL-20-600-4. And with comp cams XE274 is a universal chevy grind- Mopar is better but still dated- there are more modern choices 2 light as possible and nitrous do not go together light as possible is drag only - not even street 3 Jones Mopar special on the intake, whatever he chooses on the exhaust or try and pick a . 050" lift than the Whiplash cam. (stock dished pistons with 64 cc chambers), with a Thumper cam (smallest of the bunch) and a dual quad Edelbrock RPM intake, headers and dual exhaust. While the stock springs may not coil bind at this lift this cam is designed with aggressive lobe ramps that work Depending on tire height, anywhere from a 3. 400 pushro Mutha' Thumpr 235/249 Hydraulic Roller Cam K-Kit for Chrysler 273-360 PRODUCT NOTES: Kit Type - K-Kit - Complete Kit Camshaft Series - Thumpr Usage - Street/Performance Cam Type - Hydraulic Roller Basic Operating RPM Range - 2,200-5,900 R3 Intake Duration at . 507" Duration 295/313 RPM Range 2300 to 6200 Flat top hypereutectic pistons, ootb E Street heads, RPM A/G, the middle Thumper cam. Add to Cart. 3L/6. 545 110LCS Voodoo 284 242 . do you run valve reliefs on your pistons as anything over . 4. Comp cams Mutha thumper cam , from small block. Call 800. 91's and a 3000 verter in it. Find COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. 200" it has the same 409 lbs/in rate as the 995-16 spring. 290 hp GM crate engine with 180cc/64cc chamber RHS heads, COMP High Energy lifters, COMP Magnum 1. Mopar Engines & Components; Fuel & Induction; Chassis & Suspension; Modern Muscle; Drivetrain Components; Ignition & Electrical; COMP Cams 35-602-4 - Big Mutha" Thumpr Hydraulic Flat Tappet Cam Lift . 486 Exhaust; The basic science behind the Thumpr Cams is not a new one. Caleb McCullough’s 1970 Dodge Challenger R/T is a fine example packing a Hughes-equipped 440. 52 Rockers, Weiand Dual Plane Get the Best Performance with COMP Cams Thumpr Retro-Fit Hydraulic Roller Camshaft Complete Kit Lift: . Lunati has a "factory performance" cam which replaces the 440/375 (also 383/335) cam, which one member has in a '68 383 4bbl, stock heads and pistons, that he claims works very well. 360 magnum, . thanks guys! Have a 67 Coronet with 318, want to run the smallest of the hydraulic Thumper cam from Comp cams, I see you can't run stock valve springs with this cam, but it also says with using Comp Cams valve springs for this cam, machining is required, anyone else here run this cam with there Mopar small block motor without machining and what machining needs to be done Find DODGE 6. Not impressed with it in the 400 but as everyone knows those motors are dogs with factory compression. 91 rearA-999 auto trans3200 lbs12. 050 Inch Lift - 340 GTS Dart Clone with big mutha thumpr cam and doing a burnout. 4L/392 Mopar Hemi Gen III Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr NSR Hemi Gen III/IV Camshafts 201-700-17 Camshaft, Thumpr NSR, Hydraulic Roller, 268/295 Advertised Duration, 0. A friend recently purchased a big-block Mopar fitted with a big camshaft. Instagram- rustbeltbuildsLike subscribe for more!! Comment suggestions Find CHRYSLER 7. E. Get the aggressive sound you want, with more than enough horsepower t Find CHRYSLER 6. (Some choppiness to it. Cam Type: Hydraulic Roller Finger Follower. I had the performer in my 87 . 474 MP 280. 15/8 hedmans. It's a drop in replacement for the stock valve springs. 55), GM hot cam (218/228 dur 525/525 lift),1. 473, Chrysler, Dodge, Plymouth, Big Block, Each Find COMP Cams Mutha Thumpr Hydraulic Roller Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Mutha Thumpr hydraulic roller camshafts are manufactured to the strictest tolerances, rigorously tested and are checked for quality. HV NSR Cam 218/226 . 323 ,485 XE285HL 285/297 242/247 . All the technical articles in the world don’t add up to much if they don’t put down real power. The stock 340/360 4bbl cam is a good step up cam for a 273 if you have one laying around, as Comp Cams Mutha Thumpr Hydraulic Roller Finger Follower Camshaft - 127020. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: JOY. 842 lifters, Ford Thumper lobes are designed for . Hydraulic flat tappet (25) Solid flat tappet (16) Thumpr; Camshaft; Hydraulic Flat Tappet; 2000-5800rpm; Adver. They sell lifters separately, don't forget to order them too. I am running a thumpr comp cam on my 360. I ran camquest and it suggested a thumpr #20-600-4, or a 275DEH. All 360's came with a 8. 494 110°. . Cam is used but no abnormal wear. 55-3. Saves cash at around $150 plus shipping vs $350 for new, plus I can reuse my distributor gear. Find COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits 295TH7 Grind Number and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. EQ heads worked by brian hafliger. the . I have a Edelrock 650 carburetor avs 2. 498, Mopar, Small Block LA. 2L/440 Mopar big block RB Camshafts Hydraulic roller, Retro-fit Cam Style and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts 23-602-9 Camshaft, Hydraulic Roller Tappet, Advertised Duration 299/319 ƒØ1 Õ´ ‘²pþ~ÿ›ïüÿ±5 íãíâÖ² Ÿ$N JéÂ#´÷Ãb± kÛ È’ $çsB†ó7 ¿M—N+§YÃÄ èOÒçÝDð 5ÆêÉvÒOÿÿ^-w ¶Miå @gÒá Cam and Lifter kit, Muscle Car Cam, 340 4bbl, Hydraulic Flat Tappet, 1,500-4,000 RPM Range, Advertised Duration 279/289, Lift . A Thumpr cam, however, is designed to provide the full-throated sound of a race cam with be perfect for gearheads who want their cars to sound as good as they run — everywhere. Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods Early intake valve opening & long exhaust Also, the timing events of the Thumper are a bit whacked so they can get that sound. It produced 302 hp @5500 and 338 tq @ 3500. Do i need to fly cut my pistons for this cam COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-600-5 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . All COMP Cams Camshafts are manufactured to the strictest tolerances. In stock, the best grinds for Hydraulic Flat tappet and the solid Flat Tappet, through to the Retro fit Hydraulic Roller cams and the all-out race and high performance Solid Roller Camshaft. 473, Mopar, Big Block, Kit See More Specifications | Check the Fit My 318 had a thumpr cam and 10. Find DODGE 5. 0122, 7am-10pm CST, everyday. 268/276 duration, . but have that nasty race engine sound. $247. All but one are very happy, and the only one As one of COMP’s Thumpr grinds, Cam C was designed with a lopey, aggressive-sounding idle in mind, and as such, it has a tighter LSA and an earlier exhaust valve opening point. 473, Mopar My camshaft shortlist Lunati voodoo 60404 Hughes whiplash Comp big mother thumpr Comp he275hl Mopar purple 284/484 Add a cam that you think would be a better I just saying the best advise for you is to call a cam company. In an ongoing quest to provide you with the Thinking I might do a cam swap when I do my timing chain. 030 - . if Get the Best Performance with COMP Cams Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift . Forums. out of stock. 498" Duration 295/313 RPM Range 2500 to 6400 35-602-4 parts at JEGS. 474 almost the same folks Thumper 287/305 235/249 158/165 . 473, Mopar, Big Find COMP Cams Thumpr Hydraulic Roller Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams has awakened the muscle car sound--and it is nastier than ever! Thumpr Series camshafts is a line of cutting-edge hydraulic roller camshafts for engines originally equipped with flat tappet cams. Mopar Chrysler BB 383 440 325cc 78cc Full CNC Bare Aluminum Cylinder Head About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Ok so my cam has got some pretty good ware on it and I am ready to change the cam. Shop Now at the Guaranteed Lowest Price! This Thumpr cam is nothing but crap. $152. 515”/. The cost of this build-up could easily be $2,600. Would Lunati's version of the 375HP 440 cam be too much cam for the low compression 400? Lunati # 10211005 Vehicle Make BB Chrysler, Chrysler Camshaft Type Hydraulic Flat Tappet RPM Range 1800 to 5500 Intake Lift 0. 9L/360 Mopar small block LA Camshaft Kits Hydraulic roller, Retro-fit Cam Style and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits CL20-601-9 Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift . It has a stock 318 with Summit 6901 cam, street dominator intake,Holley Carb, Hooker Super Comp header 1970 340 block bored . 9L/360 Mopar small block LA COMP Cams Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! Cam Style . 500 Intake/0. Duration is 235/249 @ . An earlier suggestion, of the 21-222-4 cam, will close the intake at 31 Find CHRYSLER 7. The muther thumpr (291thr7) I'd put 3. Would this setup suffice to that What is a thumper cam? A thumper cam, like the Big Mutha' Thumpr 243/257 hydraulic flat cam/lifter kit, features an aggressive idle. 2L/318 Mopar small block LA Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL20-600-4 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . Get the Best Performance with COMP Cams Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift . Comp mutha thumper cam installed 4* retarded. SBC Thumpr Series Hyd. Pretty Lunati has a cam that has same duration as the 340 cam and I think that the lift is in the low . (at a minimum), rebore & hone, rebalance and reassemble. 030 forged flat tops with 2 valve reliefs. Not Yet Reviewed. I went with a re-ground cam. This Quick Tech Video from COMP Cams® is a how-to video for proper flat tappet camshaft set-up and break-in. I had driven it to work one day and the guy I worked with said my engine sounded like a stock motor which it was far from About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright My camshaft shortlist Lunati voodoo 60404 Hughes whiplash Comp big mother thumpr Comp he275hl Mopar purple 284/484 Add a cam that you think would be a better choice if you don't agree with any of these the 60404 and BMT are probably gonna be too big for your 2800 stall. 533 Purple Plus . using a stock stall limits your cam's duration or else driving becomes very uncomfortable and difficult. The following tables contain the Mopar stock 440 cam specs for the standard and high-performance engines for each year. 533 Lift 1. The 392 cam, or the Comp Cams Thumpr? I've seen lots of guys doing similar builds with the 392 and getting 60-80 hp with shorty headers and a good tune. Hydraulic flat tappet (34) Solid flat tappet (17) Thumpr Hydraulic Flat Tappet, Advertised Duration 279/296, Lift 0. Cam 279TH Find DODGE 5. Thread starter 7duce swinger; Start date May 30, 2012 - 1; 2; 3; Next. 1 Mopar TCM, R2C CAI, TSP Here is our latest 440 build. A 4 barrel, headers, cam change, if you with something like the 340 cam you won't have to worry about compression or piston to valve clearance issues. My 318 had a thumpr cam and 10. 473 in - Duration 279 / 297 - 107 LSA - 2000 / 5800 RPM - Small Block Mopar - Each 107 LSA - 2200 / 6100 RPM - Small Block Mopar - Each. Here are the specs from Ken at Oregon Cam Grinders #1357 230/236 @ . 6 rocker. Maybe the Comp Cams PP284H. [SOLD] COMP CAMS MUTHA THUMPER CAM/ SMALL BLOCK. mopar perf distributor with the chrome Hi-Rev box from Rick Ehrenberg. Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. Add to Wish List Add to Compare. (112-700-11) First, I know the Thumper probably has a little too much overlap for the single plane. As stated above by mopar the biggest mistake is cam choice and following the people that don't have the setup you have edelbrock performer cam . Later our friend noticed that no amount of idle mixture tuning Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 268/280, Lift . 429/. compcams. $75 plus the ride from NY, 14040. 2L/318 Mopar small block LA COMP Cams Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits CL20-600-9 Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift . The Thumpr lobe profiles are designed to optimize the character and sound, while providing The Thumpr proved to be the most rev-happy as well, pulling hard to 6,600 rpm, while Cam B was out of breath by 6,200 rpmCam A and Cam B both produced peak horsepower in the 6,100- to 6,200-rpm range, but the smaller grind A friend of mine was asking about using a Hughes “Whiplash” cam in an otherwise nearly stock small block mopar. (Image/Richard Holdener) The Mopar Performance Crate motor came equipped with an MP MI dual-plane (carbureted) intake, but underneath, the 360 was a stock (production-line) Magnum engine. 4:1 compression ratio. Thread starter DusterDillon74; Start date Oct 3, 2011 - D. Show More Show Less Compare. The cam cards reads as this comp cams lift . Part Number: CCA-CL21-602-5 Estimated Ship Date: Today Hey guys, we'll be using a '69 base 440 engine in Carmen's '64 Polara convertible. 512"/. If you want a chop chop sound without much care for anything else, grab a MoPar 284 duration cam and advance it 2 2 COMP Cams® 3406 Democrat Rd. Take the heads apart, clean the ports, check the valve guide clearance, grind for pushrod clearance, replace the damaged valves, replace the valve locks, do a good valve job, have the heads milled flat, clean and reassemble. 050 239 and 246, lobe separation 108. Material: Mopar 426 HEMI. Even though the torque was similar to the Magnum camshaft through the middle of the rpm range, we were pleased to see a haha fw they make a thumper, a mother thumper and a big mother thumper. 6 sec quarter mile @ 109mph 222/226 . 040" gapped Champion plugs, the HD Mopar rockers and shafts,a good double roller chain ,manual Cheetah valve body in the trans with a 4-1 kd lever ,4;10 gears in the 8 3/4 15" rear tires it 273 with comp thumpr cam, comp dual valve springs, edlebrock performer intake and edlebrock 1406 carb. 316 . Assuming you plan on using stock heads, the stock springs will not really be suitable. 904 lifter grind but bvvc on duration creep with If I was to buy a cam to put in my stock bottom end 318 with 302 heads and dual exhaust, LD4B intake and 600-650 carb I would choose the Howards #711381-10 208/214 255/261 . Find CHRYSLER Mopar big block RB COMP Cams Camshafts and get Free Shipping on Orders Over $109 at Summit Racing! Cam Style . I don't usually see that unless i'm looking at race cams. But, the specs looked more attractive to me than the Comp-Cams Stage 1 NSR cam, It is a budget build and I was focused on reusing as much as possible including the valve springs. Without a doubt, the team at Hughes Engines is able to back up its bark with a healthy bite in the form of their proprietary Whiplash camshafts. 515” lift (1. 500 lift and 290 degres duration will need to have head to valve clearance checked and also piston to head clearances checked. 050 227 int 241 on a 107 c line, I personally think it sux. Mopar Mechanical Parts For Sale . 473, Mopar, Small Block LA, Kit. Small Block Mopar Engine . Cam - 279TH7, COMP CAMS, 20-600-4, Camshaft - Thumpr - Hydraulic Flat Tappet - Lift 0. 55's. More like a 750 dual feed I did my cam break-in but I was having issues with it getting too hot. Mutha Thumpr Cam from Comp cams. 500-0. And then you would still need cam & lifters. Pretty Now thumper cam , LD4B intake,600 Edelbrock,electronic ignition, 2200 stall converter, dual exhaust ( no headers ) 7:25 rearend with I think 276 gears. Max lobato Well-Known Member CAMSHAFT LS1 283T HR 109 MT THUMPR. 484 Mopar cam would be nice. com FREE DELIVERY possible on eligible purchases What is a thumper cam? A thumper cam, like the Big Mutha' Thumpr 243/257 hydraulic flat cam/lifter kit, features an aggressive idle. Stab in a nice, hughes or comp cam roller that is MADE for your engine and what it needs and can support. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: LASTCALL. SO, i have the . 3L/383 Mopar big block B Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-600-5 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . 2L/318 Mopar small block LA COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. 318 thumper cam. 11 posi, th350, 2800 stall, 28" tire in 68 camaro. I tried using the stock stall and it was a pain in the neck. 5 cr 3:91 gear SBC Voodoo 287 242 . Answered by: jshook. The camshafts have slight differences through the production run including the lifts, durations and valve timings. 040, baked, shot blasted, square decked, and dipped, balanced rotating assembly, reconditioned rods, forged crank polished at -. Shop Now at the Guaranteed Lowest Price! The reason I put the big mother thumper cam in was because I just had done my first roller cam conversion and my previous build had a slightly bigger flat tappet cam specs wise and had a more radical choppy idle to it. Had a thumper cam installed when the engine was rebuilt and did not thimk about pushrods and valve springs until Link To eBay Motors. Even though the torque was similar to the Magnum camshaft through the middle of the rpm range, we were pleased to see a SBM Thumpr Hyd. This creates more overlap between exhaust and intake . 498" Duration 295/313 RPM Range 2500 to 6400 (0) $276. Advertised Duration and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. Mopar Performance Issues . If a Mopar or Elgin or Crane or whatever spring has 115 at 1. 95. 30 over11:1 Comp using H116CP Speedpro PistonsComp Cams Big Mutha Thumpr Cam (246@50/0. 54-271-11. 5:1 compression with the stock unported 452 heads and the 284/484 cam installed 4 degrees advanced at 104. 5:1 Comp Cams started them in the later '70s and Lunati has some grinds like that now. 904 lifters. 486/. Part #: 127020 Line: COM. 0. The COMP developed the Thumpr, Mutha' Thumpr and Big Mutha' Thumpr cam grinds to not only make a great idle sound but also to produce a significant gain both horsepower in torque. 91 rear end. See the range of the Mopar Chrysler Big Block camshafts here at Total Performance. I haven't seen much of anything about the Thumpr cam. 484 cam you ran back in the day would bet he 340 replacement cam. Find 1991 DODGE 5. 3L/383 Mopar big block B COMP Cams Camshaft Kits Hydraulic flat tappet Cam Style and get Free Shipping on Orders Over $109 at Summit Racing! COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits CL21-600-5 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/296, Lift . 727 10" 3600 converter. 008 MP or Engle or ISKY one was 260 210 454 lift Mopar cam CLE2N 265/275 205/215 425/455 cam posted above the chevy 440 with comp thumper cam So, here’s the scenario. Let’s take a close look at the factory specifications by each year. Full Frontal - Series 3 - Episode 1 (1995) Thumpr Hydraulic Flat Tappet Cam and Lifter Kit. 700" and 320 at 1. 2L/440 Mopar big block RB Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! The Thumper cams will give you an "overkill" sound with relatively low compression, but only offer a moderate (but noticeable) performance gain over stock, but work well with stock gears and converter, plus you would not have to spend money on milling your heads, all of which are cost savings. It will have headers, an old Offy Dual-Port intake, Carter or Holley 4bbl, and otherwise stock. The larger the diameter of a lifter, the more aggressive a cam lobe can be (especially opening and closing ramps). 507/. Free shipping when your order includes this part. I called up both Crane and Comp today to see what their recommendations were for a cam for my 5. 474 287@,006 . Mopar m1 single plane. This cam uses a 901-16 spring which is a single spring that doesn't need any machine work to fit in the heads. a 260 comp, little longer than a 260 Crane- much shorter than an about . 486 lift The thumper cam was made for the 340/360. bvpm wzbej cdjuw gpniea hdbnjvg rzamdd nvib ehb ntmfu twaa