Not Ranked
HSSS,
Sorry to hear the bad news. I know you used fresh head gaskets which leads to the next assumption, a warped cylinder head or an undetected crack in a water jacket allowing coolant to invade the cylinder.
Unfortunately you almost certainly have coolant in the bottom end.
You may serioulsy want to consider pulling the heads and taking them to a machine shop/builder to check for warpage. Maybe they can be milled down. As for the block, a pressure test of the cooling channels or soni check may be in order.
Heat is the enemy. I feel for you, having done the rebuild only to find you have to do it again, been there done that. Had a cam jump a gear tooth on an 60' Healy and spent a long time trying figure what was wrong and ended up tearing down a meticulos build. It still turned out to be a great runner in the end.
Good luck.
|