[Danr55]

Bob, Thanks for the offer, but I think I'll hang with this. Sleeving all 8 is expensive, but the few short blocks I found were all sleeved and the couple that weren't didn't have any info on the cylinder wall thickness which, given the history of these motors, is suspicious by itself. It's interesting to note that this is the same cylinder that broke the rocker arm last November. I have to think that had something to do with what's happening.