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MGMTF · 11-22-2014, 12:47 AM

Is a 418 a 4" stroke bored 0.030 over? According to my calculations the standard 4.065" bore LS3 with a 4" stroke is 415 c.i. I just don't want to do the calculations again.

11-22-2014, 12:47 AM	#12435
MGMTF Drives: 04 Chevrolet Silverado 2500HD CCSB Join Date: Oct 2014 Location: United States Posts: 42	Is a 418 a 4" stroke bored 0.030 over? According to my calculations the standard 4.065" bore LS3 with a 4" stroke is 415 c.i. I just don't want to do the calculations again.