Originally Posted by
dcracing
Well I'm running the H.E.S. P5 in an RC8B. Would the 9901SS be better than the 9853SS? I have the 41005 header. Right now I'm fighting wheel spin coming out of corners. I just dont have the throttle control yet to get it right. Sometimes i do, sometimes i dont. With the 9853SS pipe in buggy the motor hauls A. Or would going from the stock 8mm restrictor to a 7mm make that much difference?
Put a 6.5 or 6mm restrictor in it if you wanna tame it down .
How do you like the engine