Hi Cooper,
I Have a setup for my 2wd with a 6.5 and I've used the same setup for 7.5
dual mode
BS 100% (then limit if needed on transmitter)
DB 10%
NW 8
TP 4
MT 1
LM 90%
Timing 80%
I gear my 6.5 on 24/78 (x6) and would go 2 pinions higher for a 7.5
Good luck
Kev