Quote Originally Posted by Dave Severson
Sonic test the block before you spend any money on any pieces like pistons or anything.... doesn't take a lot of core shift to make the overbore beyone .060 a problem. If the walls are too thin, overheating usually becomes a problem on street cars.... Not every block will go to .125 and be good for street use...
Thats what the 30 year machine shop owners are saying around here.Some won't even do the job without payment up front. But they do say that some blocks will do the .125 but sonic test first or take a 90% chance of loseing your money and motor.