V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

Compatibility question!!!

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Old 03-15-2011, 12:35 AM
  #21  
jthorn9
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That is correct 94/95 Mustangs used a speedo gear. It's easy to change when you perform gear swaps in the rear but there is a down side. The stupid things are made of plastic and wear down faster than you think so you'll be going and speedo works, speedo works, speedo works.....then DEAD!!! Nothing jack the car up, pull out the clip, unscrew the gear, and boom stripped. Order one for $5 and you're good to go for a little while.
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Old 03-16-2011, 03:10 PM
  #22  
Matt's 95 Stang
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Originally Posted by jthorn9
That is correct 94/95 Mustangs used a speedo gear. It's easy to change when you perform gear swaps in the rear but there is a down side. The stupid things are made of plastic and wear down faster than you think so you'll be going and speedo works, speedo works, speedo works.....then DEAD!!! Nothing jack the car up, pull out the clip, unscrew the gear, and boom stripped. Order one for $5 and you're good to go for a little while.
They dont wear out toooo fast. My 95 was looked brand new when I pulled it a few months ago. Major PITA to me is that there is no 100% correct speedo correction for 3.73 gears. The closest I was able to find (after ordering the wrong one from LateModelResto) was from Steeda and thats still about 3-5 miles off.

Matthew
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Old 03-16-2011, 04:24 PM
  #23  
jthorn9
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I have 3.73s in my 5.0 and found the right one from www.mustangsunlimited.com

It's the 3.55 gears that's the problem.
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Old 03-16-2011, 04:28 PM
  #24  
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Since I'm such a nice guy here is the gear you need for 3.73s with a manual, it's the 23 tooth speedo gear.

http://www.mustangsunlimited.com/ite...s&CatKey=74-01
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