Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - New GM ZZ383 Stroker Oil Consumption
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Old 10-10-2012, 08:35 PM's Avatar is offline
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If this is actually a GM unit..

A customer of mine bought one from local dealer. Installed it in his old pickup. Also had high oil consumption. After a lot of hassle.. It was discovered that the valve seals were ALL installed incorrectly.. Good Mexican quality! So, if one was done that way. I'll bet there a few hundred more out there causing problems..

Or the engine is sucking oil up thru the cam tunnel side of the intake manifold. Another common cause of high oil consumption.

Properly installed moly rings are usually seated soon after the engine is initially fired.
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