HI all
trying to set up a mates cougar.
He has a Nosram matrix with a 4.5 and a 9T motor, he wants to run the 4.5 cos he thinks he will go faster and thats better.
Anyway he has the standard 83 spur what pinion should he have if he runs the 4.5 and what pinion if he runs the 9T?
Thanks
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