Hey bombers,

I got an 06 6.0 unstuded truck been solid, just hit 120000 last week and blew the stock radiator replaced it with a all aluminum one. Hoping I didn't blow the head but now I got foamy coolant in the degas bottle , oil and coolant temps are only 10degrees diff. Trying to determine if the foamy coolant is from exhaust pressure on coolant system or possible high pressure oil pump. Coolant looks a little dirty but I have a filter on it. Engine oil ain't merky either. Any ideas??????