factory gears
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
2.73, 3.08, 3.55, and 4.10. The axle code on the drivers door pillar will tell you what your truck has.
Ford Axle Code Chart - Ford Trucks
Ford Axle Code Chart - Ford Trucks
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Senior User
Joined: Aug 2008
Posts: 336
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From: on the garage floor. lol!
Hi guys I went back to 3.90 gears from 4.30. I used to run this set up a while back. Not to high not to low. There's a slight difference on how she runs now. She doesn't pull hard from a stop. I miss that. I can live with it. Lowest I'll go is 3.73.
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Senior User
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From: on the garage floor. lol!
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Cargo Master
Joined: Apr 2003
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From: Parkesburg PA
My ford trucks are either 3.55's or 4.10's, my Cobra still has 3.08 gears, my 05 GT has 3.73's and my Ram 1500 work truck has 3.90's. I had 4.56's in it for a couple years and loved them, but since I'm moving and will be driving a lot more highway miles and my pinion seal was leaking I went to the 3.90's. It feels "normal" in both a good and bad way... 2k rpm is now 70mph vs 60mph but the acceleration is definitely changed. It still gets up and goes for a 4.7 v8, but with the 4.56's and an empty bed flooring it off the line would leave 10-15' of stripes... Not power braking, just mash foot to the floor from a stop. It did however get 10.5mpg everywhere it went with the 4.56's. Empty, full, towing a 6k travel trailer, towing a car trailer, on the highway, around town... I'm now up to 13.7mpg
Lead Driver
Joined: Feb 2013
Posts: 5,006
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From: Roseville, MN
One thing that I try to do to make it a little more clear is use the terms "taller" and "shorter". 3.08 gears are tall, 4.56 are short. That corresponds to tire size, tall gears have the same effect on performance as tall tires, short gears same as short tires.
Postmaster
Joined: Apr 2003
Posts: 2,703
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From: Harrisburg, NE
well, my capri has 2.73's, but the doug nash 4+1 offsets that.
both my 88 and my bronco have 3.55's, which are ok with stock tires, but i would like to do 4.10's. I live a ways from the closest interstate, so i rarely top 65 unless i'm in a hurry.
both my 88 and my bronco have 3.55's, which are ok with stock tires, but i would like to do 4.10's. I live a ways from the closest interstate, so i rarely top 65 unless i'm in a hurry.
Freshman User
Joined: Mar 2012
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From: Zebulon, Ga
In my 93 (long bed single cab) I'm running 3.08
That's a 4.9 with an e4od
In another 94 (short bed single cab) it's running 2.73
That's a 4.9 with a 5spd (not sure what tranny that is)
Both have 8.8 open rear end and 235/75/15
That's a 4.9 with an e4od
In another 94 (short bed single cab) it's running 2.73
That's a 4.9 with a 5spd (not sure what tranny that is)
Both have 8.8 open rear end and 235/75/15
Last edited by racecar13; Nov 23, 2014 at 02:16 PM. Reason: More info added
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I run 3.55's but I've been considering a re-gear to either 3.73's or 4.10's after I get my 351 built and in the truck and running good. I rarely ever go over 60 unless I am racing or need to be somewhere and soon so I'm fine with the higher gears. Stock size tires right now as well.
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