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post #1 of 4 Old 08-06-2013, 06:22 PM Thread Starter
kschmalz
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Speedo gear

Alright I have a 2000 jeep wrangler with a 4.0 and a auto. I just got done lifting it and putting 33 and 4.10 gear now I am trying to figure out what speedo gear I need to correct the speedometer?

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post #2 of 4 Old 08-06-2013, 07:17 PM
durango-bob
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You are probably pretty close, but to check it, drive it on the freeway for 10 miles according to the mile markers and compare this to the odometer reading for the same distance. If the odometer reads 9.5 miles, your speedo is 5% slow. You can leave it this way and just do the math - if the speedo reads 60 mph you are really going 63. Or you can get a gear with 5% fewer teeth than your current one.
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post #3 of 4 Old 08-07-2013, 06:02 AM
JBTJ
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You need a 36 tooth gear.
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post #4 of 4 Old 08-07-2013, 07:18 AM
RnEmOvr
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Quote:
Originally Posted by durango-bob View Post
You are probably pretty close, but to check it, drive it on the freeway for 10 miles according to the mile markers and compare this to the odometer reading for the same distance. If the odometer reads 9.5 miles, your speedo is 5% slow. You can leave it this way and just do the math - if the speedo reads 60 mph you are really going 63. Or you can get a gear with 5% fewer teeth than your current one.
In today's world of smart phones downloading a GPS based speedometer app is way easier.


Op read this.


http://www.quadratec.com/jeep_knowle...article-46.htm

Sent from my phone where grammar isn't easy.
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