5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

speedo way off

Old 10-11-2012, 08:07 PM
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mattman320
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Default speedo way off

i've poked around a found just a little info about the speedo. It's a 92 5.0 stock trans. I was told by the guy i bought i from it was changed from 3.55 to 3.73. When i'm going 45 my speedo shows 60 and 60 is showing more like 80-85, so it gets progressively worse. I've seen a little about the speedo drive gear and getting one with a different tooth count, but its still unclear .. what should i do here?
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Old 10-11-2012, 08:10 PM
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Js88lx
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this is what ya need!!

http://www.latemodelrestoration.com/...ear-Kit-Manual
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Old 10-11-2012, 08:19 PM
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mattman320
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SOLD! just bought it, will be in tuesday. thanks a ton. Any tips on install? kinda going at it blind.
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Old 10-11-2012, 11:49 PM
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Js88lx
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very easy! Just look under i think on the drivers side of your t5 and you will see the speed cable going into the t5 held on by a small bolt if i remember correctly. Unbolt it and just pull it out and you will see the stock gear. Just replace it and reverse process!!
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Old 10-11-2012, 11:59 PM
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Yup, pretty much that ^.

Just be sure you put the new gear in the same orientation as the old one comes off, so they mesh.
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