i bought a b16a2 from a friend that said it was turbo but never tuned he said it start smoking whit smoke but the engine never over heated or ran out of oil he said it was the head gasket i took the head of the block today how can i tell if itz the head gasket or what else can it be

 

well since you have it off go ahead and have it re-surfaced. But yo , check that oil homie, make sure no water got in there.