400 low buck dont give a

ok i found some more info.. deck height is 9.98 from factory according to the mopar book..

so the main journal is 2.625/2 is 1.3129+8.5 is 9.8125 then you got another 20th under on the main bearing..

9.8105 with 20 under
1.81 compression height piston

what els i need to fig. the compression out??????:violent1::violent1: anybody care to help me here ??? thanks mike