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11-29-2009, 12:25 PM
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#16 | |
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AF Regular
Join Date: Jul 2008
Location: Saline, Michigan
Posts: 322
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Re: Leaking Head?
Just some more info to add to the discussion.
The oil-side in a classic V- pushrod engine has no oil pressure to the overhead. It is simply splash lube thru the pushrods. The head gasket also has to seal up ~70psi max from the cooling jacket and ~1000psi from each combustion event. So the chances of leakage on the oil side is lower.... The rocker cover gaskets are a unique animal because the material isn't suitable (long-term) for being above the exhaust ports and the phenolic rocker covers don't help dissipate the heat.
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1988 Chevy R-30 1 ton DRW pickup (217k) 1991 Chevy S-10 4WD pickup (192k) 2000 Grand Prix GTP (218k) 2002 GMC Yukon (185k) 2009 G8 - GT (46k) |
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