Gear swap
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New User
Joined: May 2006
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Gear swap
I'm sure the gear ratio topic has been posted and replied to to death, but I'm too lazy to look up the strings, so I'm gonna post my own.
I have an '87 Bronco with a 3.55 rear-end and 33" tires. Truck lumbers up steep grades. I'm thinking a 4.10 gear. Too little? What aout a 4.27? Too much? What about changing the front gear too? I have a 3.54 up front. What's available for the front end?
I have an '87 Bronco with a 3.55 rear-end and 33" tires. Truck lumbers up steep grades. I'm thinking a 4.10 gear. Too little? What aout a 4.27? Too much? What about changing the front gear too? I have a 3.54 up front. What's available for the front end?
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
4.10's is about right for that size tire. if you plan to wheel alot or possibly run a larger tire down the road look into 4.56 which will be great for 35's and low for 33's. do you have a 3 speed or 4 speed auto.
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New User
Joined: May 2006
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Gear swap
'87 Bronco, 302 cid, Ford AOD transmision, Borg-Warner 1356 transfer case, Ford 8.8" rear/3.55, D44 front/3.54, 4" suspension lift, 33" tires.
If I change the rear gear to a 4.10, what about the front? Won't it bind up in 4 wheel drive if I don't also swap out the front gear?
If I change the rear gear to a 4.10, what about the front? Won't it bind up in 4 wheel drive if I don't also swap out the front gear?
