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View Full Version : Humboldt,KS A & B Mod Gear


want2bfast2
02-23-2014, 09:47 PM
Was wondering what gear ratio USRA A & B Mods with spec motor run at Humboldt,KS?
Thanks
schlangen27
02-27-2014, 04:36 PM
B mod is around a 6.33 don't know about A mod.