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Gear Ratio question

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Old Sep 9, 2012 | 09:04 PM
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Gear Ratio question

I just bought my first pickup, a 1995 F250 with the 7.3L powerstroke in it. It has the 4.10 gearing in it. Does changing the gear ratio affect how much I can tow? Please be gentle I don't know much.
 
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Old Sep 9, 2012 | 09:09 PM
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Yah it does
I was looking to change mine in my f-150 from 3:55 to 4:10 but not for the tow power but for the low end torque... But since yours already has it your pretty set... You could change to a 4:56 but I don't think it would be a huge difference.. What size tires
And motor? That will make a difference
 
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Old Sep 9, 2012 | 09:09 PM
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Yes it does.
 
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Old Sep 9, 2012 | 09:45 PM
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Originally Posted by FordYoungGun35
Yah it does
I was looking to change mine in my f-150 from 3:55 to 4:10 but not for the tow power but for the low end torque...
I have a factory 4.10LS/4.09 equipped F150 SWB 4x4 92 5.0 with the M5R2 manual. And the 4.10 does wake up the 5.0!
 
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Old Sep 9, 2012 | 09:49 PM
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It does but you still have other components like brakes that limit you as well and also you will be limited, legally, by the GCWR of the truck from the manufacturer.
 
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Old Sep 9, 2012 | 09:50 PM
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I'm just running the stock LT235's. I'm actually thinking of going down to 3.55 I bought the truck because it was just too good of a deal but I don't need all that towing capacity or low-end torque.
 
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Old Sep 9, 2012 | 09:58 PM
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Originally Posted by First Time Diesel
I'm just running the stock LT235's. I'm actually thinking of going down to 3.55 I bought the truck because it was just too good of a deal but I don't need all that towing capacity or low-end torque.
Ah. Most people want to tow MORE. You could check junk yards for trucks with the 3.55 gears and pull the rear axle and front 3rd member.
 
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Old Sep 10, 2012 | 12:23 AM
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Thanks everyone for the education. I'm sure I'll come along. If anyone has any random truck tips/advice about anything please feel free to let me know.
 
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Old Sep 10, 2012 | 02:08 AM
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Originally Posted by First Time Diesel
I'm just running the stock LT235's. I'm actually thinking of going down to 3.55 I bought the truck because it was just too good of a deal but I don't need all that towing capacity or low-end torque.
Originally Posted by First Time Diesel
Thanks everyone for the education. I'm sure I'll come along. If anyone has any random truck tips/advice about anything please feel free to let me know.
Yeah, I see your in Washington to, my tip, sence you don't need it, give it to me, lol.
 
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Old Sep 10, 2012 | 07:24 AM
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Originally Posted by First Time Diesel
I'm just running the stock LT235's. I'm actually thinking of going down to 3.55 I bought the truck because it was just too good of a deal but I don't need all that towing capacity or low-end torque.
So if you want to decrease the engine revs a bit and improve driving around gas milage just fit larger tires, the stock rubber actually looks a little silly on these trucks anyway. But be sure to recalibrate the speedo after doing that or your milage may actually appear to get worse.
 
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Old Sep 10, 2012 | 11:10 AM
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Originally Posted by Conanski
So if you want to decrease the engine revs a bit and improve driving around gas milage just fit larger tires, the stock rubber actually looks a little silly on these trucks anyway. But be sure to recalibrate the speedo after doing that or your milage may actually appear to get worse.
X2 Actually that's exactly what I did with my 4.10 460/c6 F350 worked out great.
 
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Old Sep 10, 2012 | 12:37 PM
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Originally Posted by First Time Diesel
I'm just running the stock LT235's. I'm actually thinking of going down to 3.55 I bought the truck because it was just too good of a deal but I don't need all that towing capacity or low-end torque.
Yah it does
I was looking to change mine in my f-150 from 3:55 to 4:10 but not for the tow power but for the low end torque... But since yours already has it your pretty set... You could change to a 4:56 but I don't think it would be a huge difference.. What size tires
And motor? That will make a difference but of your wanting 3:55 I have 3:55 in my 96 f150 4x4 so I'd be willin to swap with you if they Are compatible.. So will someone chime in and tell me
 
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Old Sep 10, 2012 | 01:45 PM
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F150 either has a 8.8 or a 9" rear end with a D44 front. The 250 has a 10.25 rear and d50 front. So no, rears will not swap, but the front 3rd members may swap
 
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