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Old Apr 21, 2006 | 12:17 PM
  #1  
idgit0488's Avatar
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Speedometer

I'm running 35s on my 79 F-150. Is there anyway to get the speedometer accurate. On my Jeep, you can just replace the speedometer gear in the T-case. Thanks for the help.

 
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Old Apr 21, 2006 | 12:19 PM
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I did something similar I called a local shop that specializes in obsolete ford parts. They asked me my gear ratio and tire size and they hooked me up with the right one.
 
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Old Apr 21, 2006 | 12:19 PM
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the same applies to the fords. just replace the plastic drive gear with the correct one and you are set.
 
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Old Apr 21, 2006 | 12:39 PM
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Jeff's Bronco Graveyard has quite a few different ones to choose from.
 
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Old Apr 21, 2006 | 12:59 PM
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Thanks for the quick replies! Does anyone know if there is a chart that shows how many teeth the gear needs to have? I'm running 35s with 4:11 gears.

 

Last edited by idgit0488; Apr 21, 2006 at 01:04 PM.
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Old Apr 21, 2006 | 08:40 PM
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National Parts Depot(A sponsor) has the calculation in their website catalog under the driveshaft, speedometer, axle category.
 
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Old Apr 21, 2006 | 09:06 PM
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idgit0488 -Please use the default font size to make your posts easier to read.
 
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Old Apr 21, 2006 | 10:21 PM
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Yes there is.


http://www.tciauto.com/tech_info/speedo_gears.htm

http://www.transmissioncenter.net/sp...___va.htm#ford


Idgit,

There are some people on FTE that can't read small text.

These people are IN the Know of many things.

These people would like users to make sure the font is readable........ that is if the poster wants their questions answered.
 

Last edited by Mil1ion; Apr 21, 2006 at 10:25 PM.
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