Quote:
Originally Posted by flthd31
This event brings back some bad memories.
Years ago I had the similar thing happen to me. We did all the tests you did and determined that "all was fine" just as you did.
That engine ran perfectly for 6 months and then one day while cursing down the road at a leisurely 55 mpg, all hell broke loose. By the time I coasted to a stop, that engine was total scrap except for the 4" forged merc crank and 3 lifters. A couple of rod pieces were actually laying in the frame rail.
When I tore it down, you could see from the rod bearing wear that it had been wobbling slightly.
My 2 cents of advice would be to replace that rod. Sure wish I had!
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You had a leaky head and had water some into the combustion chamber? You ran a dial indicator on it and the piston came up to the same specs as the others? I don't see how a rod can bend and still be the same height. Did you check yours for plat up and down, side to side? We did on mine, it was nice and tight up and down, and had slight play side to side like it should. I'm not arguing, just trying to understand what happened in your engine.