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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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If I'm correct you are referring to oil leaking between the intake manifold and the block where they meet to seal the lifter valley. Remove the intake and use a good high temp RTV where the rubber / cork gaskets would normally go; BTW I do not think GM has used rubber / cork at that area.
You might also check to make sure the PCV system is working correctly both on the low (vacuum) side and the high (breather) side. Also poor compression ring seal will contribute to high crankcase pressure.
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss
'07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold
'85 Guards Red Targa - Almost finished after 17 years
'95 Road King w/117ci - No time to ride, see above
'77 Sportster Pro-Street Drag Bike w/93ci - Sold
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