Quote:
Originally Posted by Nic8
Hi I am using a 48dp 69 spur with either a 37 or 38 pinion.
Reducing the spur and pinion size down, will maintain the FDR but does it effect anything performance wise or is it just the same ?
I could flip the pinon around but it then rubs on the motor mounting screws.
Thanks for your replies.
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Performance will be the same. Small change in weight distribution as the motor will be further back, and small reduction in rotating mass, but nothing you're going to feel on track. Just don't go too small on the spur/pinion or you won't be able to get them to mesh.
Loads of people run the T4 in 17.5 blinky with massive pinions, so I'm a bit suprised it's an issue. If the pinion is centred within the topdeck gap and the rotor is properly shimmed (minimal play) it should be fine as it is.