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1,589 Posts
Discussion Starter #1
what size head gasket do i need t make my svt block go from 10.2:1 comp down to 8.5 or 9:1 compressio?
 

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teh tranny killer
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3,130 Posts
use a zetec head gasket if im not mistaken, and it automatically lowers the compression..im pretty sure thats what jeremy did w/ his pw focus w/ the svt bottom end
 

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Shiroi kabocha
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1,974 Posts
definately not. wouldnt this just lower the compression to 9.6? p2p, why dont you just get lower compression pistons?
 

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Talk to McNews about Cometic head gaskets. The stock Ford gasket (all models including SVT) is .027" thick. Some aftermarket ones like Felpro are .040", but that probably only lowers your c.r. to 9.7 or 9.8. Ask McNews which Cometic one you need for 9.0.
 
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