big block
Well-Known Member
e plug.Oh boy is this getting convoluted and fast. It ain't the plate not having enough holes, it isn't a plug that is out or driven in too far. That plug that is being discussed seats on a shoulder or ledge where the hole necks down to a smaller size. Very hard to drive past it's intended position. It's your relief valve in the oil pump. When you can blow the oil filter o'ring when priming it is always the pump/relief valve. Don't waste anymore time chasing anything else. Seen this more than a few times. The last time it was on a 440 and that was a 10 minute job to remove the relief, polish it, re-install and get running. J.Rob
Ok guys.
I found the plug. I went to the broken motor which is stripped down. the plug I can see from the bottom. I measure down from the top on both motors through the oil sending unit hole. The depth on both motors is 7 3/4 inches. I,m pulling the pan this morning. Lucy the whole front supension is just rebuilt so the tie rods should come off easy. The only thing left it could be is the oil pump relief.
Updatd later.