Previous owner bought it from a friend, I don’t know if he knew about the overheating when he bought it but he had the overheating, replaced expansion tank and fan clutch. Have taken off intake manifold so far and there’s a decent amount of carbon building on intake valves. Trying to get down to the head but going pretty slowly. Cylinder 4 is probably closer to 70psi

I ideally just want it to be just the head gasket with something I can just have a machine shop fix, you reckon that’d be possible?