John it sounds like he milled them quiet a bit with the compression ratio's he talking about. Be careful, food for thought. Smoky Mt. Frank In a message dated 11/12/2010 8:16:37 P.M. Eastern Standard Time, johncgg@xxxxxxxxx writes: Just found these for the monte. The heads that are on there are shot and I have coolant and oil leaks. It takes a couple minutes every start to let the oil burn off and the smoke ti clear because if the bad valve guides. Should work fine for less than a valve job on mine. J C