Turns out that my buddy must have a different crank in his engine When put side by side, my crank opens at just before compression at TDC, and his is past that point and is closed. Very odd to say the least. I took the entine out of my plane and let him use it to get his Aeroworks Freedom 3D going as I am not flying mine right now. These 135's cause alot of wasted flying time as far as I can see_bob