![]() I like the cam, even with the 3:08 gears in my Corvette (3100 lbs). Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha Thumpr and Big Mutha Thumpr deliver excellent horsepower gains and broad torque curve. It also kills vacuum, I think on its best day it might make 9 inches.Ĥ) Everyone, and I mean everyone, gets that stupid grin on their face when they hear it run. stock 4 bolt main truck 350 with Vortec heads, air gap intake, CR is 10.5:1 and it sounds excellentģ) It's an 108 centerline cam, you expect cadillac torque? I honestly don't think it gives up that much bottom end, but oh good heavens, when it hits 2800 rpm, hang onto your girdle, it'll pull your panties right off all the way up to redline. now my problem is keeping clutches in the car.Ģ) I have the next-to bottom of the page cam. it sucked, it was like a light switch, and idling down the freeway, it wouldn't make enough pressure (tc) to keep it in 3rd gear. ![]() That said, the first itineration of this set up was with a turbo 3 stall. I have a 4 speed, so I couldn't care less. ![]() sounds like I'm the only on running their Thumpr cam.ġ) stall depends on which cam you buy (there's like 5).
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