Another update. I decided to use the GA bulkheads instead of the VBS. However, I modified them so the hinge pins will be the "captured" type like the VBS. No e-clips to worry about. All I did was drill 2.5mm holes and tapped it to use 3mm setscrews. Then I made my own hinge pins using ejector pins (through-hardened steel) and cut a mortise in them for the setscrew to bite on preventing the pins from moving. I have these done on the GA bulkheads on my son's supermaxx too.
I also installed a set of 8 spyder diffs.
Anyway, here are some pictures. Feel free to ask any questions about the bulkhead mod.
GA bulks:
Home made hinge pins with mortises:
UE 8 spyder gearswith Ultralite case:
