Originally Posted by
john_p_b
i'm trying to cast my mind back to how the oil pump fits up, there's a locating dowl between the pump and block? gasket between pick up pipe and pump but then is there a o ring between a smaller pipe and the pump? it's the one and only time i've had the bottom end of this engine apart so it's all feeling a bit distant to be honest
There is an O ring on the spray bar, it normally stays in place when you strip the two halves. I'd have the sump of an take a look, at leat you can rule that part out or fix the problem.