Compression Ratio?
11-11-2012, 05:25 PM
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Staging Lane
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Compression Ratio? Didn't know where to post this question but I'm getting ready to order a LS3 418 longblock from Texas Speed and I'm not sure which head gasket thickness to use to get a compression ratio of 10.5/11 to 1 if I use Wiseco -3cc flat top pistons and PRC 237cc 68cc heads. Any help would be greatly appreciated! 
11-11-2012, 05:44 PM
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Hard to tell since we don't know how much the pistions are above the deck. But if they are .005 above the deck and you use a standard .051 head gasket your compression would be 11.49.
