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Old 08-07-2008, 10:57 AM   #3
crainholio
 
Join Date: Nov 2004
Location: Randolph
Posts: 198
iTrader: (2)
This doesn't sound like either intake or head gaskets, based on your plug observations.

A compression test as stated above is your next diagnostic step.
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1982 Z28 w/ '01 LS1 + T56, TR224 cam, Katech oil pump, JWIS chain
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