crazykillac4
+1y
ok so long story short i run the old mazda hot and blow the head gasket well fine i get another head gasket kit and send the head to the machine shop when i get it back i put it all together and on startup the pin at the end of the cam burned off i freaked out and said fine i have two spare cams so i put the other in lube up the cam did it all by the book, burned it up as well so i figure i didnt adjust the valves right so i take the old rocker assembly and put it on thinking those valves were ok, burned up that cam took the head off cause i read that iff the block is shaved before its put straight the the towers will be out of line so the head comes off and back to the machine shop i get it back last night the cam spins fine manually so i put it all back on and it fires right up valves are alittle noisy but nothing big i cut the truck off in relief and crank it back up boom the cam burned up again what the hell? im thinking for some odd reason the oils not getting there to keep the cam lubed can anyone please help im close to throwing it out i dont have the money to keep sinking in this motor and this is the fourth time this week ive put this head on