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Big Dave--
My parents have a '99 F-350 diesel, which we use for a winter beater and for plowing. It's a 4x4/automatic model, which is the worst configuration for fuel economy. It has a 3.73 final drive. To swap in a 3.08 final drive like yours, would I need to change the ring/pinion gear in the differentials, or is it a transmission modification?
Multiades--
Yup, that was me on PansyPatrol.com post. I have located a few '92-'94 Protege F25M-R transmissions on car-part.com. Unfortunately, I can't seem to find *just the gear*, and all the junkyards want to sell the transmission as a whole. Do you have any recommendations on where to find just the 5th gear set? Will I also need the 5th gear synchro from the donor transmission?
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