Originally Posted by chrisk

what motor you running to need that?

i am running a non timed 21.5 spec and use a 62/39 to get those numbers

i only have a WE so you are restricted with the pinion because of the pinion hitting the top deck, i think the X top deck allows a bigger pinion thou

but just grab yourself a smaller spur like the 62 and then you can play in the 30's with pinion to get your desired ratio