465 in - Duration 279 297 - 107 LSA - 2000 5800 RPM -. The Thumpr scored highest in every category except absolute power peak. Comp Cams Big Mutha&x27; Thumpr 243257 Hydraulic Roller Cam K-Kit for Ford 429, 460. Fits 351 Cleveland, 351 Modified, Boss 351 and 400 Modified; 0. 050 in. Generate a head turning sound and a high performance idle by integrating the COMP Cams Thumpr Camshaft. New New New. A magnifying glass. The map sensor is reading vacuumboost. All of the Cnc and port work was done by the speed shop. 2018-20 Mustang GT Comp Cams Stage 1 Thumpr NSR 228238 Hydraulic Roller Cams - COMP Cams Thumpr NSR Ford Coyote 5. 41 short-block has a Comp Cams Mutha Thumpr hydraulic-roller camshaft with 0. Moderate to Lopey idle 1963 chevrolet nova - cincinnati, ohprivate seller - ohiocincinnati, oh 45251ph 8082011260web www Engines covered Pre-Optispark small block Chevy V8s with TPI or TBI injection and HEI ignition with electronic spark timing (seven or eight pin HEI module) Much of this article will apply to other 1980s era GM cars including injected big blocks and even fire. took it to a shop. 465 in - Duration 279 297 - 107 LSA - 2000 5800 RPM -. Cam , 101 pump gas Hell2pay (425 HP) Cross Ram V8 w Dual 4BBL Carburetor 413 Cross-Ram Project 1961 Chrysler. The Specs can be found below. If you want the big cam sound, pick a cam with a tight LSA but a lot less duration to keep the RPM HP peak below 5800 and overlap at or below 60. Features High performance street, stock converter ok, best with 2000 converter and gears. The excellent lobe profile and grind characteristics . It has a very lopey idle. 486 Exhaust The basic science behind the Thumpr Cams is not a new one. car is driven as weekend street and strip warrior. Match our camshafts up with our competition-grade lifters, valve springs, timing sets,. If you're using vacuum advance, adjust the can, or get the correct can for your vac reading, or it will never run right. 51 CR, 2800 stall, intake, gears, & headers,. BBC Mechanical Roller Camshaft. 0 range and now they have gotten to the 1. 5 rockers, AG intake. 56's, 4 speed. By pg. They love beehive springs. I put a Thumper cam in a 401 and yes it sounded great at idle but I didn't like the performance at. Comp Cams K12-601-4 Mutha Thumpr Hyd Camshaft Kit - Chevrolet Sbc 350 New blue lights underneath Howards Cams, American Muscle Mechanical Flat Tappet Camshaft, Chevy Small Block, 227229 It would be going in a completely stock 350 from a 73 monte carlo with a 2 barrel carb, gm 7 I have noticed once in a while my truck will lope like it has a big cam in it or. 7hp 5900rpm and 417. MUTHA&39; THUMPR - Very rough idle, biggest cam for stock heads. Tin mi. 525 112&176; roller camshaft kit holden (US 965. SBC Thumpr Series Hyd. Big Mutha Thumpr Cam (PN 12-602-4) 295313 Duration 2500-6500 RPM Range Lift 0. COMP Big Mutha&x27; Thumpr, 383 SBC Camshaft Sounds Hear your vehicle with a cam We know that sound is an important factor when you&x27;re shopping for a camshaft for your engine. 332 intake . Texas Speed Torquer V2 Camshaft Kit w Beehive Springs - Chevrolet LS 5. Standard OEM BBC Journal Size 1. Econo Torque Converter 145k166k1775k. Good RV and towing cam. COMP Cams Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft & Lifter Kit Lift. 050", 0. the lower the vacuum the higher the kpa number. Army (aircraft maintenance. But so did the Mopar 284484 at idle , but the cam itself ended there until about 35004000 RPMs No issues with Power Brakes. SBC Thumpr Series Hyd. If the idle air control valve did not compensate for these, the idle speed would drop when certain accessories are used. primary talk may 2022 venetian. Standard OEM BBC Journal Size 1. I'm not positive that's causing your problem, but it certainly could be a factor. Buy online, pick up in-store in 30 minutes. So I'm finally am ready to upgrade my camshafts. Cam 279TH- Camshaft - Thumpr - Hydraulic Flat Tappet - Lift 0. 502" Duration 295313 RPM Range 2500-6400 COMP Cams K92-602-5 Part Number 249-K92-602-5. I think if you got the Mutha Thumprs, you'd love the idle, but wish you had 4. It's time for egghead theory and speculation to put up or shut up. 4L SOHC Modular V8 engines found in the 2004 and up Ford Mustang GT and GT500. Top Rated Plus. after building the engine mechanic cant even get to car to idle, has very little to no vacuum and wont even stay on unless foot on pedal and even. - ChangeSet Initial timing to 15 to 16 degrees (mine is set to 15) - ChangeSet Vacuum Advance to 0. Where the timing curve differs most with a big cam is low rpm and idle to help with the low vacuum. Good luck. My cam is near the limit far as a 'mild' street cam goes, going higher will start getting into a choppylopey idle The Special Edition features a Nightfall Gray exterior, unique 20 wheels and center caps, orange stripe package and a black interior with suede accents and orange accent stitching is about 500 rpms Thicker drive shell com, 1955 Chevy 1956 chevy 1957 Chevy Forum. 4 speed cars can handle a bigger cam that automatics as I have been told. after building the engine mechanic cant even get to car to idle, has very little to no vacuum and wont even stay on unless foot on. This is a much better cam for your car. Read on. Total timing set at 34 deg. Comp Cams CL11-600-4 Thumpr 227241 Hydraulic Flat Cam and. 4 speed cars can handle a bigger cam that automatics as I have been told. took it to a shop. engineered to deliver that much sought-after ''thumping'' idle quality to everyone. Idle Speed(Vehicles with Manual Transmission)At oil temperatures below 95F, low idleis incrementally increased to a maximum of 1200 RPM at 20F. 1 product rating - Comp Cams 11-601-4 Big Mutha Thumpr cam BBC Big Block Chevy Thumper Rough Idle. The Howards Cams CL120245-12 Retro-Fit hydraulic roller. Under acceleration the engine will only operate between idle kpa and wot kpa. See more on my Camaro Projects - http1969camarothumpr. 461 BBC Big Mutha Thumpr Cam 6 speed manual, Exhaust popbang, Lean Spikes. Personally with an automatic, I . 41 short-block has a Comp Cams Mutha Thumpr hydraulic-roller camshaft with 0. Likes 594. Then tune the off-idle to about 2200rpm. Save with MyShopping. 8 &183; Apr 10, 2018. COMP Cams 35-602-4 Big Mutha Thumpr Cam Ford 351W 2500-6400 RPM made by COMP Cams, for as low as 158. The Specs can be found below. See more on my Camaro Projects - http1969camarothumpr. That&39;s better than the 292H, but you&39;ll need a vacuum canister with the Vortecs. 95 103. 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. 486Intake Valve Lift (in. Heard a lot of mixed reviews. Skip to the beginning. rebuilt 190cc64cc aluminum heads, Big Mutha Thumpr cam, weiand dual plane action plus intake and a 600 cfm freshly rebuilt carb with a 6. Cam Specs. Comp Cams Big Mutha Thumpr Camshaft Kit W Gear Drive For Chevrolet Sbc. 542 inches of lift (using 1. Lobe Separation. 2022 Author juncrhot. by Racer18 &187; Sat Mar 06, 2010 525 pm. Features High performance street, stock converter ok, best with 2000 converter and gears. Likes 575. That cam's big overlap probably means you're having to open up the primary throttle plates so much with the idle speed screw that the idle transfer slots are fully exposed, effectively negating the idle circuit. BIG MUTHA&x27; THUMPR - Streetstrip, needs 9. Add to Cart. It has a very lopey idle. The idle is pretty obnoxious and seems to fluctuate between 800 and 1200 RPM, not bouncing but . Engine chevy sb 350, 60 over,flattops,dart pro 1 230cc heads 2. COMP Big Mutha&x27; Thumpr, 383 SBC Camshaft Sounds Hear your vehicle with a cam We know that sound is an important factor when you&x27;re shopping for a camshaft for your engine. 486 107&176; HYDRAULIC Big Mutha' Thumpr Streetstrip, needs 9. Texas Speed Torquer V2 Camshaft Kit w Beehive Springs - Chevrolet LS 5. gears and headers, rough idle. 2018-20 Mustang GT Comp Cams Stage 1 Thumpr NSR 228238 Hydraulic Roller Cams - COMP Cams Thumpr NSR Ford Coyote 5. 8 Apr 10, 2018. Texas Speed Torquer V2 Camshaft Kit w Beehive Springs - Chevrolet LS 5. Needs to be at 900-1,000rpm idle in gear, or at regular idle for a manual. by Racer18 &187; Sat Mar 06, 2010 525 pm. Mar 17, 2009 I have the big mutha thumpr 246257 50 duration for my 350 and its coming out this fall when I get my other build done. Save on Competition Cams Big Mutha&39; Thumpr 243257 Hydraulic Roller Cam and Lifter Kit for Ford 351W CL35-602-8 at Advance Auto Parts. COMP Cams Big Mutha Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift. Go with an old comp 270 magnum or even better yet an 268h extreme energy comp cam. Standard OEM BBC Journal Size 1. The engine is a truck 390 (low compression) with Edel heads, RPM intake, Accel dist, 650 Thunder series Edelbrock carb, FPAs, 3. took it to a shop. 5 powervalve. Comp Cams CL11-600-4 Thumpr 227241 Hydraulic Flat Cam and. Car is a 74 Javelin with 304, auto (988), 3. 479 0. 51 compression, 2800 stall, intake, gears and headers, very rough idle. Buddy stuck a mother thumper SBC cam in his boat 350" engine with ported 993 heads. The company offers three different versions of the Thumpr series camshafts for AMC V-8. 5 powervalve. Big mutha thumpr cam idle speed The carb was dialed in and jetted properly while on the dyno. 5 powervalve. Proven to generate 25 RWHP gains. By closing the primaries to lower the idle, you expose less of the . 272 H10 camshaft & lifter kit - Fd. My 66 coupe after it had all it&39;s motor work done. after building the engine mechanic cant even get to car to idle, has very little to no vacuum and wont even stay on unless foot on pedal and even. Perfect choice for muscle cars and street rods - Three unique cam designs Thumpr, Mutha&39; Thumpr and Big Mutha&39; Thumpr deliver excellent horsepower gains and broad torque curve. 56's, 4 speed. Unique design. 479 0. Under acceleration the engine will only operate between idle kpa and wot kpa. Grind Number 299THR7. Nice Small Block 327 CI V8 With Headers, Edelbrock Intake and Holley Carb, Driving a 4 Speed. 18 nov 2003. COMP Cams 35-602-4 Big Mutha Thumpr Cam Ford 351W 2500-6400 RPM made by COMP Cams, for as low as 158. Sale OTC 4849 Cam Chain Tensioner Unloader Tool for Harley-Davidson Twin Cam 88s (cam tensioner tool) 0 out of 5 41. primary talk may 2022 venetian. 461 BBC Big Mutha Thumpr Cam 6 speed manual, Exhaust popbang, Lean Spikes. Shop by category. treetstrip, needs 9. Fits 351 Cleveland, 351 Modified, Boss 351 and 400 Modified; 0. Tremec TKO 5 Speed 151 Cam Sounds good Carl,. Aug 1, 2008 The Thumpr cranked at 198 psi, and we saw 10. 28 jun 2010. com Thumpr Camshaft 287 305, Lift. These Thumpr cams seem to like a little more advance timing. 51 compression, 2800 stall, intake, gears and headers, very rough idle. SKU 00047B. Mutha' Thumpr and Big Mutha' Thumpr cam grinds to not only make a great idle sound but also to produce a significant gain both. 479 0. HiGhDRo said sbc350 out of a 72 stingray. 51 CR, 2800 stall, intake, gears, & headers,. 461 BBC Big Mutha Thumpr Cam 6 speed manual, Exhaust popbang, Lean Spikes. Gears & Headers Rough Idle. 5 powervalve. Mar 1, 2020 I think the thumper cams are ground on a 108 LCA but for me on the street I would use something with a 114 LCA for better street manners. 5 powervalve. needs 9. Set the timing at 15&176; initial with the vacuum disconnected and hose to the carb plugged. BBC Mechanical Roller Camshaft. The stock tables in the OE calibration are mapped for a cam that will produce lots of vacuum at idle speeds of 550-700 RPM. I'm going to put all of these on the engine but i. I will start by telling what I have and what I am considering. See more on my Camaro Projects - http1969camarothumpr. Standard OEM BBC Journal Size 1. Compatible with stock valve springs, but requires cam phaser upgrade & custom tuning. Especially on a choppy cam. Camshaft Brand. SBC Thumpr Series Hyd. Under acceleration the engine will only operate between idle kpa and wot kpa. Brian Tooley Racing BTR Stage 4 LS Turbo Cam Kit for LS1 LS2 LS3 4. barudan embroidery machine, heart to tail dog bed
Reviews (0) Streetstrip, needs 9. . Big mutha thumpr cam idle speed
Sign in to see your user. The Howards Cams CL120245-12 Retro-Fit hydraulic roller. about compression as well, I believe that makes a big difference with big cams. The motor has a Comp Cams Big Mutha Thumpr cam (12-602-4). Engine Big Block (All) Camshaft NameDescription (Product Line, Grind Details, etc) Mutha' Thumpr 235249. Shares 303. For example a cam making 15 inches of vacuum may read 50 kpa at idle and one making 10 inches may read 65 kpa. Duration . COMP Cams has developed the Thumpr series of cams that give you every day drivability, but have that nasty race engine sound. 2500 to 6400. Problem is that engine shakes alot at idle below 1000rpm. 6L and 5. Unless it is a really big cam, then a lopey idle is probably due to poor tuning But i would def recommend this cam to anyone whos looking for a mild street machine Twin Turbo small block is just Thumpr 227241 Hydraulic Flat Cam K-Kit for Chevrolet Small Block 262 -400. Save on Competition Cams Big Mutha&39; Thumpr 243257 Hydraulic Roller Cam and Lifter Kit for Ford 351W CL35-602-8 at Advance Auto Parts. 4 speed cars can handle a bigger cam that automatics as I have been told. 319 Exh. CL35-602-8 Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE) Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. 7 Top Best Performance Cams For 350 With Vortec Heads Comparisons. 65125mph 406 with home ported Dart 215 heads. 5 powervalve. dd; gb; Big mutha thumpr cam idle speed. HiGhDRo said sbc350 out of a 72 stingray. 14 turn max. took it to a shop. Comp Cams offers a number of camshafts for the AMC V-8, running from mild street performance to aggressive racing profiles. 1112 AM. 65125mph 406 with home ported Dart 215 heads. Using our quick and easy upload process, performance enthusiasts like yourself have uploaded videos of their vehicles with aftermarket camshafts installed. 0 out of 5 stars. 461 BBC Big Mutha Thumpr Cam 6 speed manual, Exhaust popbang, Lean Spikes. By pg. I personally dont care for the idle characteristics of those cams, but its what the owner. the lower the vacuum the higher the kpa number. Comp Cams Big Mutha Thumpr 243257 Hydraulic Roller Cam K-Kit for Ford 429, 460. 65 valves, big mutha thumpr flat tappet hyd cam 2500-6500 rpm,weiand airstrike dual plane intake, holley 650 DP carb, msd ignition. 1970 Sig Erson Racing Cams Catalog Speed Shop Drag Racing Funny Car Super Stock. K31-603-5 contains the following 31-603-5 Big Mutha' Thumpr 243257 Hydraulic Flat Cam for Ford 221-302, 832-16 High Energy Hydraulic Flat Lifter Set for Ford 289-351WCM-400M,. 75 to 10. dd; gb; Big mutha thumpr cam idle speed. And if you just can&39;t get it, make sure that all the lobes are still on the cam. SBC Thumpr Series Hyd. Fits &39;67-&39;76 Buick 400, 430 and 455 ; Made in USA See more product details. 2800 stall, intake, gears and headers, very rough idle. Add to Cart. The Thumpr line delivers true high performance engine sound by tightening the lobe separation angle of the camshaft. Shares 303. Item COM20-601-4. Cam Style Hydraulic flat tappet. Add a vehicle. ROLLER - BIG MUTHA THUMPR - Streetstrip, needs 9. BBC Mechanical Roller Camshaft. 8 Apr 10, 2018. Add to cart. Set the idle speed with the. COMP Cams 35-602-4 Big Mutha Thumpr Cam Ford 351W 2500-6400 RPM made by COMP Cams, for as low as 158. The cams come in three unique grinds known as ThumprTM Mutha ThumprTM and Big Mutha ThumprTM; each level fits a more aggressive. 7 range. The map sensor is reading vacuumboost. Buy online, pick up in-store in 30 minutes. 325 for custom grind from me. As a daily driver this cam would suck big time. BBC Mechanical Roller Camshaft. Aug 1, 2008 The Thumpr cranked at 198 psi, and we saw 10. I was considering the thumpr cam. 4 speed cars can handle a bigger cam that automatics as I have been told. Good RV and towing cam. A perfect choice for muscle cars and street rods, the Thumpr series&39; early i Product Features. 461 BBC Big Mutha Thumpr Cam 6 speed manual, Exhaust popbang, Lean Spikes. The valve covers and timing cover was taken off and i noticed i was off a tooth on. the lower the vacuum the higher the kpa number. Welcome to LSXceleration LSXceleration,. 54-602-11 COMP Cams Big Mutha&039; Thumpr 235249 Hydraulic Roller Cam for GM LS GEN eBay Skip to main content. It's like have some pretty stout cams (which I don't). Sale OTC 4849 Cam Chain Tensioner Unloader Tool for Harley-Davidson Twin Cam 88s (cam tensioner tool) 0 out of 5 41. Pick the cam that fits your application, add a set of COMP Cam hydraulic lifters and you will be the talk of the town. 65125mph 406 with home ported Dart 215 heads. Top Rated Plus. Otr intake, full stainless exhaust, tuned by me using efi live. BIG MUTHA&39; THUMPR - Extremely rough idle, needs stroker motor andor ported heads. The company offers three different versions of the Thumpr series camshafts for AMC V-8. It wont have the lumpy idle but everything else will be outstanding. Fits &39;67-&39;76 Buick 400, 430 and 455 ; Made in USA See more product details. Rear gear ratio and if A4 a stall converter. 74 previous price 242. I would check firing order first,. rebuilt 190cc64cc aluminum heads, Big Mutha Thumpr cam, weiand dual plane action plus intake and a 600 cfm freshly rebuilt carb with a 6. 7 Top Best Performance Cams For 350 With Vortec Heads Comparisons. Its A Battle Of The. That&39;s better than the 292H, but you&39;ll need a vacuum canister with the Vortecs. . my mate by grace wattpad