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06-25-2018 04:20 PM #10
CHR Member/Contributor
- Join Date
- Mar 2005
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- Tigard
- Car Year, Make, Model: 63 Nova SS
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Assuming that this block has never been decked, clean everything real god and start with a fresh set of Fel-Pro 1205 gaskets – not 1206. The 1205 has a bit more gasket and will better seal with this head/manifold combination. Place them with the blue facing the manifold. I have used a very light coat of Gasgacinch on the heads of SBC engines for years – it’s optional, but it helps hold everything in place.
Put a nice bead of black silicone on the China walls and let it skin over. Use an extra blob at the corners.
Set the intake down gently on the engine and follow the exact sequence of tightening as recommended by Edelbrock. DO NOT over torque or you will squish the silicone out and have the same problems all over again.
If the block has been decked - may be a different issue.
Glenn"Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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Right after I posted yesterday it was down again, I don't think it's getting better.
Where is everybody?