Discussion in 'Towing & Hauling' started by busse, Nov 23, 2015.
What all do you need to replace if you want to go from 3.55 to 3.73 gears
find a local gear installer
Unless you have a Dana, there are no 3.73s
which to be clear, in case there was confusion on OP's part, half tons have a Dana 44 and a Chrysler 9.25 in the rear. so you'd be able to go to a 4:10 ratio.
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2500s you can get 3.73s. 1500s no better to go with 4.10s. Will cost the same but do way more for you
Did this with my 1500 4x4. 4:10 and an Auburn Gear torque sensing differential for the rear. It was just over $1200 at 4Wheel parts installed since I don't have the needed tools for gear set-up. It was quite an improvement going from 3:54 ratio to 4:10.
Answer to your question, Just the crown and pinion.
Worth it? No. Go 4:10. Same swap. Same price.
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