Reply to "Cam and lifter problems"

George PAdmin.

Few engines these days have lifters, most are over head cam. Those engines that do have lifters employ roller lifters.

It has always been taught that the first 1/2 hour of break-in was the most critical time for a flat tappet camshaft. Older engines were broken in when motor oil contained a higher level of ZDDP.

your friend on the DTBB

6/7/067:22 PM

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