Quote:
Originally Posted by 4wdfull
The gear ratio mentioned above sounds way too low unless you're running on asphalt (oval). An LRP x12 8.5 should be around 91/20 on a proper dirt track. My x12 6.5 uses 15 to 17 tooth pinions on US dirt tracks. Plenty of speed...right temp. I may be wrong however.
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Seems to be the general thinking... I was just going raw off the manuals because my existing (comprehensive) set of steel pinions aren't long enough and I didn't want to go out and buy all ten 17 - 27 pinions for trial and error lol.
Am trying to source some Corally long pinions in 20, 21, 26, 27 and a AE T4 87T spur... haha and I thought my build was close to complete...