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elmir50 · 08-07-2001, 04:23 PM

I need to know what the 4 valve reliefs displace on a stock piston, in cubic centimeters. The pistons are out of a 91, 302 HO. I have aftermarket pistons, Speed Pro does not list what the valve reliefs are in CC. I need this info to finsih calculating my compression ratio.

Thanks.

08-07-2001, 04:23 PM	#1
elmir50 Registered Member Join Date: Mar 1999 Location: Tsawwassen BC Canada Posts: 413	Piston Valve Relief CC's I need to know what the 4 valve reliefs displace on a stock piston, in cubic centimeters. The pistons are out of a 91, 302 HO. I have aftermarket pistons, Speed Pro does not list what the valve reliefs are in CC. I need this info to finsih calculating my compression ratio. Thanks.