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Discussion Starter · #1 ·
morning my kids 92' 440 prowler seems to have all kinds of bottom end and no top end. maybe 70mph tops. It pulls right on thru and spins the track all the way up. Lotsa power for an old 440. Whats the stock gearing on this model and how much help would it be to jump a tooth up top and drop 2 down below. He weighs about 160, riding for years and the rest of the sled is stock. No track picks or anything
 
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