Change diff. gears?
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Joined: Mar 2007
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I believe that "re-programmers" allow you to enter new data for the drive train components so that speed calc's are accurate.
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip. Match?
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip. Match?
Lead Driver
Joined: Sep 2003
Posts: 5,844
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From: Albuquerque
Originally Posted by tommyl
Am thinking of changing diff. gears from 4.11 to 3.73...Question, would this throw off the computer. Have 2000 PSD F350.
edited
biz
Last edited by biz4two; Mar 30, 2007 at 04:52 PM.
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Joined: Mar 2007
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Originally Posted by biz4two
NO. The PCM will calculate the speed fine. No other modification is needed. The only time the speed is effected...is with larger or smaller tires (diameter).
OBTW: You want to go from 4.10 to 3.73? With a PSD? Those gears are obviously not OEM. The PSD only came with 3.73s...
OBTW: You want to go from 4.10 to 3.73? With a PSD? Those gears are obviously not OEM. The PSD only came with 3.73s...
Biz, is the sensor in the rear diff used in this process some how? How can the PCM tell what the ratio is?
Postmaster
Joined: Jan 2005
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From: Peoria, IL
Originally Posted by biz4two
Those gears are obviously not OEM. The PSD only came with 3.73s...
Lead Driver
Joined: Sep 2003
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From: Albuquerque
Originally Posted by Beerstalker
Actually I know you can get the 4.10 with the PS but only if you get a dually, at least in the 07 that is how it is.
biz
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From: Rancho Cucamonga USA
"Biz, is the sensor in the rear diff used in this process some how? How can the PCM tell what the ratio is?"
There is a "Tone Ring" on the axle that the computer monitors. Gearing has no effect, only tire diameter.
Michael
There is a "Tone Ring" on the axle that the computer monitors. Gearing has no effect, only tire diameter.
Michael
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Joined: Sep 2003
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From: Albuquerque
Originally Posted by rikosintie
"Biz, is the sensor in the rear diff used in this process some how? How can the PCM tell what the ratio is?"
There is a "Tone Ring" on the axle that the computer monitors. Gearing has no effect, only tire diameter.
Michael
There is a "Tone Ring" on the axle that the computer monitors. Gearing has no effect, only tire diameter.
Michael
biz
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Joined: Mar 2007
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From: Claremore, OK
At a former employer, we had a '04 F350 chassis cab that had 4.30 in the pumpkin. Thought it was rather low gear, but then it wasn't my money buying the truck nor the fuel. I see the truck around town from time to time...so it would appear to be still ticking; though how it's been treated is most likely not in the best of methods.
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From: Findlay, Il
[QUOTE=emptyd]I believe that "re-programmers" allow you to enter new data for the drive train components so that speed calc's are accurate.
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip. Match?[/
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip. Match?[/
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Joined: Feb 2004
Posts: 509
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From: Findlay, Il
[QUOTE=emptyd]I believe that "re-programmers" allow you to enter new data for the drive train components so that speed calc's are accurate.
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip.
Dealer can probably do it for you too, but they may charge more $$$ than you'd like - and it may force you into a newer "flash" version that brings along undesired characteristics.
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I don't have a clue about what I'm asking here - compatibility wise. I have an '01 X V-10 w/ 3.73 10.5" limited slip.
Thread Starter
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More Turbo
Joined: Feb 2004
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From: Findlay, Il
[QUOTE=emptyd]I
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I
When you're done, do you want to sell your 4.11s? I have 3.73s but it's hard to do a "trade" without one of us not having a vehicle for a while. Anyhow, I might be interested in buying your 4.11s if they're in good shape and are a fit for my truck.
I