im getting bad mixtures between my oil, and coolant, ihave done a head gasket twice, had the head tested, i put a .020 HG in and ARP head studs, and i have put a new oil cooler, and gaskets in it, what else could it be, im tired of the problem, im gettin fed up, please help..

 

WATER JACKET IN THE BLOCK IS CRACKED

 

X2 you proably got the brazilan block i had one try drill and pin the crack or weld it a drive the **** out of it and look for a mexican block for a backup block if u ever need it the guts will hold up fine in ur block