Originally Posted by
dasdaman
WOW! As I was thinking about running a 13.5 this season, is the FDR 4.2 a good starting point? Seems very low, as that FDR is a far cry from the manual recommendation. (128/42 for the Novak 13.5) Is this on foam? rubber? What are the motor temps after a run?
that ratio is for a rubber tire car, medium sized track, faily technical layout. that ratio will only work with the new 13mm rotor. the rotor that comes with the 13.5 pro won't hold up to that. i was running the standard rotor at 4.9 on the same track.
i would've geared lower, closer to 4.0, but i couldn't get the right gear combination to physically mesh up. i need to get some much larger pinions for that to work out.