Quote Originally Posted by Sandaro View Post
I've used grease successfully, that shouldn't have blocked anything. Pump may have been stuffed, I recently bought a new "High volume" one and it makes no pressure under 2000 rpm. I'm going to have to replace it.
I had this same issue a few weeks back. On early type blocks that had a timing chain guide you still need to fit the retaining bolts as one of them actually screws into the pick up gallery. It took me a few hours to work out the problem. No need to use a high volume pump at all.