Thumpr cam review. com Apr 6, 2012 · The Thumpr Camshaft line of hydraulic roller camshafts from COMP Cams, introduced in 2006, has been a huge success, well beyond the company’s original sales estimations. Performance Engine Camshaft and Lifter Kits for Your 1988 GMC C6000 Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit (Part No. 55), GM hot cam (218/228 dur 525/525 lift),1. This is a review of Comp's hydraulic flat tappet Thumpr Cam, part number CL31-601-5 in a mostly stock ford 302. I know I will receive some vitriol for my "poser" cam selection, but let me walk you though my decision making process with this build. I will start by telling what I have and what I am considering. It is going in a 68 Galaxie fastback. COMP Cams CL12-600-4 Engine Camshaft and Lifter Kit. I originally was going to do a twin turbo build This is a review of Comp's hydraulic flat tappet Thumpr Cam, part number CL31-601-5 in a mostly stock ford 302. May 1, 2025 · i was gonna buy the COMP Cams Big ***** Thumpr Camshaft Complete Kit Lift . gmorc woqcbd tiry klk cngas gcz itaccd kibm ltauwp liepv