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09.26.2009, 06:32 PM
68/24 = 33mph on 4s lipo
68/18 = 37mph on 6s lipo
Thats with 1/8 buggy diffs & the 3905 tranny + 5.9" tires (stock 3905 sized).
With truggy ratio diffs (pro), you need a 24 tooth pinion on 6s lipo to get 38mph; on 4s lipo its pretty much impossible to get a workable gear ratio.
Ebay is the best place to look for the diffs and certain other items, dont get too hung up with wanting to buy new items/ kits from the big hobby stores- save yourself some money.
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