Low compression
August 07, 2010I promise the airplane performs better if you don't blow a hole in the cylinder.
After removal, you could plainly see the large crack from the exhaust valve seat to the upper spark plug bore; as well as another running from the forward edge of the cooling fins, through the head below the upper spark plug, and ending near the exhaust valve guide. But the pushrods weren't bent and the cowling wasn't damaged by the flying metal.
