I have read about people still having heat issues with aluminum housings including vanquish. Someone pointed me to DLUX Fab, they sell truck parts but they also have a few rc crawler parts. They modified a plastic housing to use a 5x13 bearing for the inner pinion bearing. For $20 this might be...
I shimmed the gears perfectly and it still jumped a tooth once in a while, I have tore it apart a few times and I found no sign of wear on either gear which is why I think it's the housing. But the statement above is why I'm hesitant to drop a C note and not cure the problem. This is one of the...
The HD gears are a lot harder. When I replaced mine they weren't really bad but I had new gears so I installed them, the axle housing where the inner pinion bearing sits was ate up.
This was the stock set
After rebuilding the rear on mine I sprayed the joints with wd-40, it was good for 4 1/2 runs then it started getting hot again. I sprayed both joints again and no more heat! I'm going to break them down and put some good lube on them.
With an external bec you can run 3s on almost and esc. I've used them on traxxas xl5's, cheap axial esc's with no problems, they barely ran warm. There's no guarantees so you have to be willing to replace it if something does go wrong.
Nice rig Kurt, now I really have the itch!