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Old 01-24-2024, 02:00 AM
Dick Boneske's Avatar
Dick Boneske Dick Boneske is offline
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Join Date: Mar 2004
Location: Winneconne, Wisconsin
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I"ve had a few cam failures, beginning with my '57 Olds in 1962. Nearly all '57 Old's cams failed due to excessive spring pressure from the factory. Also my '64 GTO in the mid '70's and my '77 400 in a Grand Safari wagon. In each case, I replaced the cam & lifters and ran the engines for many thousands of miles.

When a lifter or cam fails, isn't it logical that the metal chips go directly to the oil pan? Some will get lodged in the pump inlet screen, some will get captured in the oil filter. Does a cam failure always call for engine disassembly, cleaning of the oil galleries and replacement of main and rod bearings? My guess is that thousands of cams/lifters have failed and were replaced without an engine teardown.

Opinions?

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