[BYprodriver]

Originally Posted by piper6909

Thanks, bud! At least you seem to get the most fun out of yours.

I don't know about the history of mine, but we've only had it on the track once last year. I signed up my wife for DE.

I think you have worn thru the lead layer of some rod bearings & starting on the copper layer, that's the last layer of defense for the connecting rods. Once the rod is worn oversize it will start knocking & they are not rebuildible but they will ruin the crankshaft.