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Old 06-20-2016, 11:22 PM   #2
60-66 Nut

Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,076
Re: Swap TH350--->700R4????

A 700R4 typically works well with the 3.73's. However with those short tires a 3.42 gear might be better. If you were to stay with a TH350, I would switch to a 3.07 rear gear. The 3.73's will also work with the Th350, but your highway rpms are going to be up there.
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