oilpan full of water

1971 Plymouth scamp,340,4-speed,bought knowing only that engine was bad/broke.son was racing ,missed second gear.high reeve situation.I thought valve thru piston or bad bent valve.when I tore the engine down the cam was trash(5 lobes almost gone).antifreeze in valley and pass side top of head(under valve cover) One bent push rod,but was told by the former owner that he had put in three new push rods after the high reeve thing.pulled oil drain plug,1 gal.water came out,then 1.5 gal of oil,then sludge.at that point I pulled engine,disasembled,could not find anything that looked really bad to me ,other than cam and lifters, took heads and block to macine shop and that's where I am right now,should know something from them in a day or two.