fyi the 8xl on a 20t pinion gear is about the same speed as a properly geared HV 4.5 (10-11t pinion). Who runs an 8xl on a 20t pinion gear anyway? I certainly couldn't as motor and esc temps would reach 195F within about 5 minutes. But of course, a neu combo would probably be the best overall.
Check out my custom converted 8ight:
Sub 7lb, lowest CG of any 1/8 buggy