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EHardy1971 · 03-09-2008, 09:54 PM

Ok,what's the size difference on E-7's VS. GT-40 Irons? I want to say the E-7's are 68cc,and the 40's are 64-65cc,but I forgot! Just doing some figuring here on what my CR difference will be (if any) when I change over heads.

03-09-2008, 09:54 PM	#1
EHardy1971 Trunk Monkey Join Date: Jun 2007 Location: Home Posts: 5,708	Combustion chamber size? Ok,what's the size difference on E-7's VS. GT-40 Irons? I want to say the E-7's are 68cc,and the 40's are 64-65cc,but I forgot! Just doing some figuring here on what my CR difference will be (if any) when I change over heads. __________________ Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS