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5.3L Head Question

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Old 11-20-2007, 11:33 PM
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Default 5.3L Head Question

Tinking about putting ported 5.3 heads on my car. I know the chamber is like 3-4cc smaller, how much should that raise the compression on a stock shortblock. I'm running a Stealth II cam and it's a DD so I don't want to raise it too high.

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Old 11-21-2007, 12:16 AM
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I think that the TSP sight says it should raise it to 10.75:1
Old 12-07-2007, 11:02 PM
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I believe it about 1/2 point without milling.




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