Forward Clutch Pack:
- This pack is located right behind the input shaft hub.
*snip*
This drums snap ring groove is machined a little tighter than the direct drum and it's nearly impossible to install the snap ring without grinding a little bit of the inner corner so the plate has a wider flat stepped portion for the snap ring.
The arrows point to the small corner than needs to be ground just a little to gain clearance for the wide snap ring. I just used a 4-1/2" grinder with a 1/8" thick metal cutting wheel and slowly made an approximate 0.030" deep cut and worked my way around the entire pressure plate. It is possible to install the snap ring without grinding the plate but makes the clutch pack a little tight which would cause it to drag a little in reverse, not a good idea for a daily driver that uses reverse regularly but running an unground/unmodified pressure plate hasn't been a problem for my drag race truck.
*snip*