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johnboy 28-09-2010 02:30 PM

Cougar gearing
 
Hi just after a starting point for gearing

the spur size is 76t with a 7.5 motor. what pinion size is ideal.

regards john

Timee80 28-09-2010 02:32 PM

i run a 7.5t novak ballistic with an 80t spur and 24 pinion and its perfect. Try a 23 and work from there mate after you check temps

jim76 28-09-2010 07:09 PM

i would have said around 22-23 depending on how twisty the track is.


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