Originally Posted by wrxG
Its a used EJ257
I ordered stock bore size pistons, i did not check for clearances though. I didn't think i would have to since the pisons should be the same size right?
First, you need to check your bearing clearances! You can get "Plasti Guages" which are cheap ~$2.00 and very accurate. Second, you need a honed surface to seat your rings. Then best thing to do is to take the block halves to a machine shop to have them checked.