RE: engine modification
it's an old como 40 from the 80's. i've hardly ran it. it's going in and old Pilot QB40S that i just recovered. the motor beams are alot wider that the ones on my OS46. the mounting holes are about a 1/4 of an inch from the sides of the motor beams. i noticed that the holes on the 46 are close to the edge of the motor beams. thats what gave me the idea