-28cc pistons w/70cc heads what's the compresion ratio?
08-04-2007, 05:38 PM
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-28cc pistons w/70cc heads what's the compresion ratio? As the title says looking to figure out if I got the compression ratio right. I figured it to be 8.5 to 1. It is on a ls2 stroked to a 402. Stock Gm multi layer. Probably .60 thick.
Last edited by phildo; 08-04-2007 at 05:56 PM.
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08-05-2007, 09:47 AM
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with the calculator i use i came up with 8.64 with pistons out .008 thou and with a .055 gasket. the only exact way to get it is to cc the heads and pistons to verify they are exactly what cc they suppose to be and but you should be in the 8.5x-8.6x range.
