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Old 03-29-2012, 05:57 PM   #1
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2 questions on Speedo correction

1. Actual tire size or what tire says ( duratrac 31 ) cause it measures smaller than 31"

2 can I get that gear at local parts store ? Napa ? Chrystler? Or just online .
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Old 03-29-2012, 06:05 PM   #2
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1. What the tire says.

2. You can get them online or at a local 4wheelparts store. (got mine there)

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Old 03-29-2012, 06:16 PM   #3
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Ty
All I got here is napa , advanced , Oriely ,autozone , and dealer .
I'll order then

Ty again
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Old 03-29-2012, 06:19 PM   #4
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Quote:
Originally Posted by VoodooShot
1. Actual tire size or what tire says ( duratrac 31 ) cause it measures smaller than 31"

2 can I get that gear at local parts store ? Napa ? Chrystler? Or just online .
Are the numbers how many teeth in the gear?
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Old 03-29-2012, 06:22 PM   #5
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Quote:
Originally Posted by VoodooShot View Post
Ty
All I got here is napa , advanced , Oriely ,autozone , and dealer .
I'll order then

Ty again
You are welcome! Good luck on your project.
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Old 03-29-2012, 06:22 PM   #6
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Quote:
Originally Posted by Nich View Post
Are the numbers how many teeth in the gear?

Yes, that is correct.
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Old 03-29-2012, 06:26 PM   #7
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I got mine here - they also have some of the less common sizes.

Speedometer Gear, Speedometer Gears, Ford, GM, Dodge 700R4

But you may not need a different speedo gear. I used to run 32" tires on my '97 (3 speed auto with 3.07's) - checked the speedo with a GPS and could not tell the difference.
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Old 03-29-2012, 06:35 PM   #8
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I'm off now with wore out 30s
Factory had me with them little tires so says my door tag
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Old 03-30-2012, 11:39 AM   #9
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Just checked I have 3.07 gears . I thought I had smaller , it still drives great off a red light and 5th isn't an issue so far .
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Old 03-30-2012, 05:34 PM   #10
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Quote:
Originally Posted by Wesboy
I got mine here - they also have some of the less common sizes.

Speedometer Gear, Speedometer Gears, Ford, GM, Dodge 700R4

But you may not need a different speedo gear. I used to run 32" tires on my '97 (3 speed auto with 3.07's) - checked the speedo with a GPS and could not tell the difference.
Ty for that link it's the only place with a 27 gear

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