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Overdriven · 08:02 PM

What motor, what voltage and what tires are you going to run?

For the speed calc, you're going to use the "E-Maxx 3905 1 speed or 2nd gear" option. I'd recommend running a 65T spur, you're going to need it to make up for the Lower ratio in the HB diffs and keep the pinion a normal size. Btw I run a 65t spur on my 3905/8 and I cant use a pinion smaller than about 18t with a castle motor because the motor will hit the trans case before the mesh gets tight enough. On 6s with a 2200kv, 24/65 gearing with the 3908 tires you'll be at 55mph before you factor any tire ballooning.

	(#399)
Overdriven Destroyer of Tires Offline Posts: 626 Join Date: Feb 2009	01.07.2012, 08:01 PM What motor, what voltage and what tires are you going to run? For the speed calc, you're going to use the "E-Maxx 3905 1 speed or 2nd gear" option. I'd recommend running a 65T spur, you're going to need it to make up for the Lower ratio in the HB diffs and keep the pinion a normal size. Btw I run a 65t spur on my 3905/8 and I cant use a pinion smaller than about 18t with a castle motor because the motor will hit the trans case before the mesh gets tight enough. On 6s with a 2200kv, 24/65 gearing with the 3908 tires you'll be at 55mph before you factor any tire ballooning. LST XXL MMM 1717 Custom Fabbed Conversion Last edited by Overdriven; 01.07.2012 at 08:02 PM.