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Would like to know the location of the intake port on this engine .It is now at the upper right position ( 1 o'clock ). I found a G .61 on eBay that has it at the lower left (7 o'clock). What is right ?Also is it a ABC or just lapped piston ? Thanks, Max H. :?
Either 1 o'clock or 7 oclock is correct for aero rotation. 4 o'clock or 10 o'clock is for reverse rotation. This engine can be either lapped iron in steel or ABC, depending on the vintage.