I never said you cracked a piston. I was just stating a p28 obd1 ecu for a d16z6 single overhead cam motor is not good for a modded LS. Wether you do it on your setups thats your business. I was just stating I would never do it, nor do I advise anyone to do this. I think youre doing a great thing by getting the p28 socketed and chipped with LS basemaps. Whats the CEL its throwing?