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#1 |
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Regular
2001 Mustang GT
Join Date: Aug 2011
Posts: 191
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compression
want to do heads & cam but dont want my compression to go up what heads wont make my compression go up? i was looking at trick flow heads 44cc an 38cc both raise compression to 10:1 dont want to raise compression because i will be boosting the motor some time down the road so i want to keep the compression low
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#2 |
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4v Know-it-all
Join Date: Jan 2011
Posts: 488
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There's no way that the 38 and 44cc chamber heads result in the same compression ratio.
PI heads have a 46cc chamber so you need the 44cc chamber head. |
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#3 |
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Hardcore Enthusiast
97 Mustang GT
slower than the speed of smell
Join Date: Feb 2008
Location: rochester hills, MI
Posts: 2,249
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pi heads have a 42cc chamber, npi heads have a 51cc chamber iirc.
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