Originally Posted by signsbyesa

hammer, having a longer or shoter rod, does that determine the
placement of the wrist pin on the piston? or does the hieght of the
piston change? shorter piston longer rod, longer piston, shorter rod?
i have always been amazed on the 396 w/11 to 1 comp. using pump
gas due to a longer stroke, not sure on the rod or piston size,
but that combo worked well with power to boot :wink: