Originally Posted by
Lon_L
I wanted to try my 3800 from my SCTE , so in between quals I switched the motor only to find all of my 32p pinions 14 and up were too large to fit through the hole, and the shaft too short to install the pinion on once attched to the car.
I'm running 48P without an issue on the 3800 castle motor. Flip the pinions backwards, and also clearance the web in the middle belt cover to get a hex driver on the grub screw. Some of the crappier pinions don't like to be flipped, they don't center as well with less motor shaft in them.