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Correcting Speedo?

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Old Nov 29, 2010 | 05:29 PM
  #1  
BigBody's Avatar
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Correcting Speedo?

Well, I'd like to get my speedo corrected to read accurately with my 35's. I know tunes are one method and the dealer is another. I don't really want to spend the 300+ plus for a full tune and the dealer wants 75 bucks for a 2 minute job. Any other suggestions out there?

Thanks all,

Kyle
 
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Old Nov 29, 2010 | 05:34 PM
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Know anybody nearby with an AE scanner? You can do it with that too. Just connect to the ABS powertrain when the program starts, go to the "test onboard system" tab and pick the proper item in the drop down tab. You'll need to know the number of revolutions per mile for the tire you have.
 
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Old Nov 29, 2010 | 07:59 PM
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I was about to say... AE would do the trick.
 
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Old Nov 29, 2010 | 08:17 PM
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BobbyDiesel71
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From: round rock, tx
Tru-speed from Superlift
 
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Old Nov 29, 2010 | 08:21 PM
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Yeah, but it's 2/3 the cost of AE and with AE, you've got a VERY powerful diagnostic tool...
 
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Old Dec 11, 2010 | 08:24 AM
  #6  
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Can I replace the speedo gear and get this corrected on the cheap? Or is it all electronic? I know I have 35's with 4.30 gears. Not sure gear I would need if even possible.
 
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Old Dec 12, 2010 | 12:29 AM
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twags6
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Its all electronic. The signal is picked up off of the tone wheel in the rear diff. Its based on the number of revolutions the axle makes per mile. The dealer can change the number for you, someone with AE can do it, or you can get one of those true speed things from super lift
 
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