775 and pinion gear

[sweetgtx]

just wondering what size pinion is the best to optimize the 775, i am running a 19tooth and was thinking of buying a 17tooth for more torque, its in my emaxx, dont think a 20 or bigger will fit,cause of the single motor cover, or case , anyone run bigger than 20 in theres??

 

[hamz9561]

The lower the tooth count on the pinion the higher the top en speed and the lower the torque. You could go down a couple of teeth on the spur gear to get the same effect as raising the pinion gear tooth count.

 

[sweetgtx]

The lower the tooth count on the pinion the higher the top en speed and the lower the torque. You could go down a couple of teeth on the spur gear to get the same effect as raising the pinion gear tooth count.

i thought it was other way around, the fewer the teeth = more torque less topend ull have, and the more teeth = more topend,less torque

 

[Newb86]

Higher pinion=more speed
Lower Spur=more speed

 

[sweetgtx]

thanks for the help guys!!! I'm going to get a smaller spur gear to get more topend!!

 

[sweetgtx]

thanks for the help guys!!! I'm going to get a smaller spur gear to get more topend!!

ok got my 65 tooth spur gear, but now motor with pinion gear can't mesh properly cause of the trans below motor,the pinion barely touches the spur gear i dremeled the trans case below motor, but still wont work, and i dont wanna dremel to much of trans case away, anyone else have this problem when running 775 motor and , i know i can get bigger pinion, but was hopening to just replace my spur to get more topend,,,