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. Thumpr Hydraulic Roller Camshafts for 1987-1998 305-350 Originally Equipped With Hydraulic Roller Camshaft & Most Crate Engines, Except LT1 and LT4. The Thumpr made the highest peak torque, highest average torque, highest overall average power, best average numbers between 2500-4500rpm, and the best numbers from 4500-6500rpm. Therefore, the CL 12 600-4 cam is an excellent choice for heavy-duty vehicles. Specifically, it helps to open and close the valve smoothly and generate strong force by improving the torque. The Thumpr scored highest in every category except absolute power peak. For decades, COMP Cams CL12-600-4 or Thumper cam 350 has been the best performance cam for stock 350 chevy. 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. The cams comparred were Comp XE268H-10, 280H-10, XE274H-10, 292H-10 and the Thumpr 283THR107LM. few decades because modern fuel COMP Cams Engine Camshaft 01-602-8 Big Mutha Thumpr 2500 to 6200.
The base engine was a time-tested 350cid 290 horsepower small block GM crate engine featuring a Weiand Air Strike intake manifold, 650cfm Holley carb, Hedman 1 -inch primary tube headers, Magnum mufflers with 18-inch collector extensions and an HEI distributor. tappet Thumpr camshaft on the Westech dyno over three days in late December. This auction is for a rebuilt Chevrolet 350 (5. The following tests were run with the COMP Cams new Flat tappet Thumpr camshaft on the Westech dyno over three days in late December. That said, the first itineration of this set up was with a turbo 3 stall. Insug - Arvika El & Motor Sk: The base engine was a time-tested 350cid 290.
#Thumpr cam 350 free#
I have a 4 speed, so I couldn't care less. Find CHEVROLET 5.7L/350 Chevy small block Gen I COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits and get Free Shipping on Orders Over 99 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.
#Thumpr cam 350 series#
sounds like I'm the only on running their Thumpr cam.ġ) stall depends on which cam you buy (there's like 5). Thumpr 283THR-107 Hydraulic RollerComp's series of Thumpr cams has been around just over a year, and one member-the 283THR-107-already ranks No.
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