Dumbo The Flying Elephant

[Larry Hill]

It maybe a case of the block is not strong enough for the cylinder pressure generated under full load. My guess, and it’s only a guess, that the cylinders balloon and contract every cycle and become not straight and out of round in time.

For now I’m learning the do’s and don’t of the engine. With few parts available I’m doing my best not to destroy anything. I believe better sleeves will change things.