d4 5700kv motor gearing ? pinion size

[stampede vxlboy]

i am wanting to run about 5.5turn /6.5t what pinion gear would you use to set my car up so i can try it out. somebody said start with a 20pinion gear? what size pinion would you use with it to start with so i can test it in the street thanks simon

[barry]

i am wanting to run about 5.5turn /6.5t what pinion gear would you use to set my car up so i can try it out. somebody said start with a 20pinion gear? what size pinion would you use with it to start with so i can test it in the street thanks simon

Try a 20 then if it's been suggested already.

Barry