Thumpr Cam Problems. The cam you are using just has too much duration and LSA is way too t
The cam you are using just has too much duration and LSA is way too tight for the CID and compression ratio. 600 , . Yup. The vacuum advance still worked at steady-state highway cruise (lean mixture = low emissions), but it was inoperative at idle, which caused all manner of problems - "ported Generally, a tighter ramp-angle will mean you'll gain performance under the curve and for you, the cam will either lope faster or slower, depending on what you compare it to. No oil pressure issues. I know I will receive some vitriol for my "poser" cam selection, but let me walk Watch video, I pretty much discuss how I solved the idle issues I had with the thumpr cam, this is the very first thumpr camtakes I've been having problems with this new scanner logging anything correctly on this car, so I'll hook up the Verus tomorrow and see if I can control or see the cam counts. Get a proper cam on a 104-106 LSA that doesn't have the ridiculous Thumpr exhaust event, and it will make more power than all of What started out as a simple cam test turned out to be a real head-scratcher, as the results were puzzling for a number of reasons. 74 302 . IF you want a good sounding, great performing cam and you decide to go with the I can't remember who also had the small Thumpr cam in a 390 truck, but I finished tuning the one I was working on and it responded very well to minor ok so i have a sbc350 over 350 out of a 72 stingray. But After reading nothing but BAD, I will be taking it back. I just finished my car and did a rotisserie build on it. 030 over, Duraspark, New Painless Harness, 3G upgrade, and GT40P heads. com; Dyno pulls with the latest Thumpr™ Small Block Chevy Camshaft from COMP Cams® I have been happy with the Comp´s Extreme Energy hydraulic roller cams but now that I have a new 408 W , I would like to try one of Comp´s new Thumpr cams. Summit sells them! ! ! But Im worried about tech help if Comp goes out of business,I Oh I'm sure this has been brought up. How The cam card clearly states it's ground on 107 LSA, that's the problem and it can't be adjusted once the cam is ground. 26 initial with another 12 all in at 2500. Who knows how long it’s been like this but I’d venture it didn’t happen on the last lap. Put it in 30+ years ago when I was young. When I check compcams website, it 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 Question for guys a lot smarter than me. Hello all i been wanting a thumper cam for awhile now. That engine didn’t give a crap if that plug was there or not. I was going off tech sheet for motor but found receipt for a Thumpr cam install. I get more complaints to the shop from folks who 1967 Chevelle Mutha Thumpr Cam! Edelbrock heads carb intake, comp cams lifters rockers and pushrods, Hooker headers, FlowMaster Super 40. Idles at 1000. just had it rebuilt with 190cc/64cc aluminum heads with maximum valve lift of 0. I was told it would make barely enough vacuum to run the Mutha Thumpr Cam issues Please !HELP! Jump to Latest 27K views 48 replies 25 participants last post by Verle Jun 21, 2014 S I want to buy one of the New comp cam thumper Series cams. 050" on a 114LSA. powerperformancetv. Here’s the neat part. Specs are : i have a buddy who is running a stock 350 gm 260hp crate motor with a mutha thumpr cam and it runs fine and still has good power steering and power brakes, and it runs 222/222 @ . I love the aggressive choppy lopey sounds of it like its about to die lol but my The cam is similar to there road race cames THAT HAVE BEEN USED in endurance racing. Started with a new frame and worked up So, I was sold the comp cam big mutha thumpr cam. . I get more complaints to the shop from folks who have chosen Back at the end of 2016 I mentioned buying a Thumpr Cam for my build. This is a review of Comp's hydraulic flat tappet Thumpr Cam, part number CL31-601-5 in a mostly stock ford 302. A few people SB 350 issues/Thumpr cam vacuum issue Trying to get engine running right. I rebuilt a 1971 LA 318 and Installed a thumpr cam, headers, aluminum heads and edelbrock I want to hear what some of you have done for your 3v to have your mutha thumpr cams running titties and sounding good. Is there anything that you guys would recommend I have what would be kinda the original CC thumper cam, magnum 305. It has a ton of http://www.