2011 at the Hammond Barn

[Grant Bowker]

Originally Posted by Bob Carriere

Is it possible....just maybe..... with the engine stored at -30C that some small amount of water could have frozen in one of the drilled out holes in the crankshaft...the ones they drill at the factory to balance the counter weights....... and we did not run the engine long enough to really get it to operating temp.... holes are about 1 1/4 inch wide...up to an inch deep.... if it held water frozen it might be enough to unbalance the engine....

Surely the combination of outside temperature just below freezing and the engine running would have melted any ice inside the engine? I didn't feel the oil pan temperature but if it got reasonably warm the rest of the engine can't have too far behind in the warmup - to my mind...