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Sign up for our E-newsletterHow long will it take to convince some folks that flat tappet cams must be “broken in” and operated over the long term with enough zinc phosphate (ZDDP) in the oiling system? Professiona engine builders should all know by now that the major oil companies have greatly reduced the amount of high-pressure ZDDP from their [...]
Tag: BRAD PENN
CHOOSING THE RIGHT OIL (Part 2)
Posted By Mike Mavrigian,
June 1, 2009 ·
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Always use the cam assembly lube provided or recommended by the camshaft manufacturer, in addition to using the correct break-in oil. Nothing changes with regard to prep. Coat each lobe completely with the recommended assembly lube, usually a high-pressure moly-based material. Even with the lobes coated with moly, using an engine oil that is too [...]
CHOOSING THE RIGHT OIL (Part 1)
Posted By Mike Mavrigian,
June 1, 2009 ·
View Comments
CHOOSING THE RIGHT OIL FOR FLAT TAPPET CAM BREAK-IN All oils are not created equal. by Mike Mavrigian photos by author Avoiding flat tappet cam failure can be as simple as using the correct oil during break-in. Chances are you’ve run into this problem first-hand, or know a builder who has shared his horror stories. [...]