Gearing?
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Junior Member
Joined: Mar 2000
Posts: 7
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From: Augusta, GA
Gearing?
I have a 97 F150 EXT cab 4X4 that I recently installed larger wheels and tires.I found a program at 4LO.com that calculated what I needed to get my truck back to stock and it said I needed 3.88's.I have looked around and all I could find was either 3.73's or 4.10's and would like some suggestions on which ones to run.I went from 255/75/16 on 16X7 to 285/70/16 on 16X8's.
Senior Member
Joined: Feb 2000
Posts: 104
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From: Maine
If you want better fuel mileage, go with the 3.73s if you want better acceleration go with the 4.10s
I installed 4.10s in my truck(see signature) and I love them.This is how the truck should be from Ford. Also, this mod cost me less than 1.5 mpg overall
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99 F 150 4x4.ORP,S/B 4.6 4.10 gears, Gibson 3" cat back. K&N filter. Superchip
I installed 4.10s in my truck(see signature) and I love them.This is how the truck should be from Ford. Also, this mod cost me less than 1.5 mpg overall
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99 F 150 4x4.ORP,S/B 4.6 4.10 gears, Gibson 3" cat back. K&N filter. Superchip
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Dawgwild,
I have to agree w/ jarrettruelz88, Go w/ the 4.10's I had OEM 3.55 gears and 235/75/16's and went to 4.10's and 265/75/16 I also needed the 3.88 gears. Don't do the job half *ss, You will not be dissappointed w/ the 4.10's!!! W/ my setup I have the option to go 3 tire sizes larger (295/57/16) this would bring me almost back to stock performance 4.098 ratio. The gears will run about $180.00, and approx $68.00 for the install kit, plus tax.
A local gear shop installed them for $250.00.
Good luck
F&B's
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98 F-150 XLT, SC, SWB, 2WD, Pac. Grn., 4.2L auto, 4.10 gears w/ LS, Tow Pkg., BFG AT's 265/75/16, K&N air filter, Dynomax Super Turbo muffler, Superchip, Edelbrock shocks, Hellwig rear sway bar, 3" body lift, signal mirrors, ...tons of cosmetic products
I have to agree w/ jarrettruelz88, Go w/ the 4.10's I had OEM 3.55 gears and 235/75/16's and went to 4.10's and 265/75/16 I also needed the 3.88 gears. Don't do the job half *ss, You will not be dissappointed w/ the 4.10's!!! W/ my setup I have the option to go 3 tire sizes larger (295/57/16) this would bring me almost back to stock performance 4.098 ratio. The gears will run about $180.00, and approx $68.00 for the install kit, plus tax.
A local gear shop installed them for $250.00.
Good luck
F&B's
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98 F-150 XLT, SC, SWB, 2WD, Pac. Grn., 4.2L auto, 4.10 gears w/ LS, Tow Pkg., BFG AT's 265/75/16, K&N air filter, Dynomax Super Turbo muffler, Superchip, Edelbrock shocks, Hellwig rear sway bar, 3" body lift, signal mirrors, ...tons of cosmetic products
Senior Member
Joined: Apr 2000
Posts: 198
Likes: 0
From: San Angelo TEXAS, USA
So anyone have any good estimates on swapping 4.10s in 4x4 truck?
The one shop I called said something about the IFS up front being time consuming and said $1,300-1,500 for 4.10/4.56's installed . * OOOUCHH*
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Y2K F150 4x4
4.2 5 speed, with K&N
Leer camper shell,bedrug,
Ranchhand Brushguard w/lights. Tint/alarm
VHF/HF radio and CB
The one shop I called said something about the IFS up front being time consuming and said $1,300-1,500 for 4.10/4.56's installed . * OOOUCHH*
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Y2K F150 4x4
4.2 5 speed, with K&N
Leer camper shell,bedrug,
Ranchhand Brushguard w/lights. Tint/alarm
VHF/HF radio and CB