Originally Posted by UncleTex

I tested a RB M3 this weekend at the 200 IFMAR Worlds track in Porter Texas. I could not find a good balance in the car, but the Horsepower was excellent. I finished eventually finished fourth after having to come to the pits to repair broken rear camber link. I ran almost 3/4 of a gallon through the motor. Without the plug installed, the piston still sticks very tight at the top of the stroke. If you are looking for a high end motor that will last, I believe this is a good selection.

-Tommy