Need direction on gearing?

[RCHabit]

I have an emaxx,

14.8v 2 x 7.4 8000mah batts

8xl

mamba max ESC

single speed trans

Big Joe tires

What pinion should I use?

What spur should I use?

Thanks

[Serum]

check this out!

http://scriptasylum.com/rc_speed/

it works perfect.

[RCHabit]

I guess I should use the speed calculator. Do the setup, then run the truck and check my temps? Is that the right way to go?

[BrianG]

Yeah, that's about right. Most people shoot for around 40mph and go from there.

[RCHabit]

Thanks,,

I'm going to try it