Originally Posted by 77 gmc 1500.
the motor has a fairly recent rebuild.
DING, DING, DING, DING. That's the alarm bells going off in my head. You have no idea of the measurements in the motor (block deck height, piston deck height, piston compression height, overbore, rings used, ring gaps, bearing clearances, chamber cc's, piston crown configuration, static compression ratio, etc., etc.), yet you are ready to throw parts at it and hope for the best????????????? DING, DING, DING, DING