Motors are 575's, but there is rain water in the intakes. Very little damage to the cyl walls. Gonna tear em down, Bore them a little to clean them up and change pistons to raise compression so I can run carbs. Now I have to do some research on cams...etc. Why is it, I just built up some 454's, just installing them, and I find this boat at auction. What do they say about a hole in the water?