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switching to 140 speedo

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Old Jun 12, 2006 | 07:54 PM
  #1  
johnnyboy's Avatar
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From: western ny
Car: '82 formula clone, 95 saab 900se
Engine: 350 vortec'd tbi, 2.0L turbo
Transmission: 700r4, 5 spd
Axle/Gears: 10 bolt 2.77 open
switching to 140 speedo

do i need to change anything with my computer if i'm going from a 120 mph speedo to a 140 in my '89 formula?
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Old Jun 12, 2006 | 09:48 PM
  #2  
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From: Kingston, NH
Car: 2004 Wrangler Rubicon
Engine: 4.0
Transmission: NV3550
Axle/Gears: Dana 44s with 4.10 and air lockers
no
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Old Jun 12, 2006 | 10:16 PM
  #3  
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From: western ny
Car: '82 formula clone, 95 saab 900se
Engine: 350 vortec'd tbi, 2.0L turbo
Transmission: 700r4, 5 spd
Axle/Gears: 10 bolt 2.77 open
Originally Posted by ChevyGuy87
no
so i can just pull out the old and put in the new?
any idea on how to get the odometers to match?

Last edited by johnnyboy; Jun 12, 2006 at 10:19 PM. Reason: Automerged Doublepost
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Old Jun 12, 2006 | 10:27 PM
  #4  
WickedTA's Avatar
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From: Kansas
Car: 85 TA
Engine: 350
Transmission: 700R4
may i ask what your doing with your old one? im stuck with a 85
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Old Jun 12, 2006 | 11:21 PM
  #5  
ChevyGuy87's Avatar
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Joined: Apr 2001
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From: Kingston, NH
Car: 2004 Wrangler Rubicon
Engine: 4.0
Transmission: NV3550
Axle/Gears: Dana 44s with 4.10 and air lockers
Originally Posted by johnnyboy
so i can just pull out the old and put in the new?
any idea on how to get the odometers to match?
Yep, it's that simple. Direct swap. I don't know about the odometers though.


Originally Posted by WickedTA
may i ask what your doing with your old one? im stuck with a 85
That's not as simple. His is electric, yours has a cable. Won't swap over.
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Old Jun 13, 2006 | 01:21 AM
  #6  
WickedTA's Avatar
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From: Kansas
Car: 85 TA
Engine: 350
Transmission: 700R4
not to hijack but what would i have to do ?
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