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The following instructions cover the correct guidelines for installing COMP Cams® Pro Magnum™ Hydraulic Lifters. All Pro Magnum Lifters™ require an adjustable valve train for proper operation.
The following instructions cover the correct guidelines for installing COMP Cams® Pro MagnumTM and Race Hydraulic Lifters. All Pro Magnum LiftersTM require an adjustable valve train for proper operation.
All Pro Magnum LiftersTM require an adjustable valve train for proper operation. Lifter preload should be set to .002”-.004” (hot settings). These adjustments should be made similar to the adjustment for a hydraulic lifter camshaft.
Prepare a clean work area and assemble the tools needed for the camshaft installation. It is suggested to use an automotive manual to help determine which items must be removed from the engine in order to expose the timing chain, lifters and camshaft. A good, complete automotive manual will save time and frustration during the installation.
Solid Lifter Cams: Consult cam spec card or cam manufacturer for correct lash specifications. With the proper feeler gauge between the roller and valve stem, turn the polylock until a slight drag is felt on the feeler gauge.
28 mar 2013 · In a BBC, I'm about install a retro-fit HR cam, lifters, pushrods and roller rockers; all from CompCams. I read through the instructions for each of the components. Regarding the recommended amount of lifter pre-load, the instructions conflict with themselves:
COMP Cams Magnum Hydraulic Cam and Lifter Kits. Designed for hot street/strip cars, COMP Cams Magnum Series cam and lifter kits require a higher compression ratio, rear-end gear ratio, and stall torque converter than stock.
