fastest o.s. ntc3 engine

[metallicamaxx]

what is the fastest o.s. pull start engine that will fit in the ntc3. :ball:

 

[highflyin]

a os .15 cvrx it has 1.2 horse

 

[Nitroaddict]

highflying is correct. The OS Max .15CV-RX is the most powerful OS pullstart engine u can install.

 

[metallicamaxx]

what would good gearing be for all out speed(i have the 2 speed)

 

[Nitroaddict]

i would use the stock spur gears and go upto an 18/20 pinion set

 

[jon2]

Won't that compromise your acceleration? If it does I hope you aren't using this on track conditions...