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Old 10-18-2013, 08:07 PM #1
Hondafreak333 Hondafreak333 is offline
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speedometer off?

So my speedometer is off and im not sure where to start. Its all stock on 31x10.5 15's. When the speedo shows im doing exactly 30 my actual speed is 35 and when it says im doing 60 I'm actually doing 70. Thoughts?
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Old 10-18-2013, 08:15 PM #2
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You are undergeared. You need a lower ratio to have it be correct. It's not a big deal, just remember that you are going faster than it says.
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Old 10-18-2013, 08:17 PM #3
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i just got 4.88's put into my 95 runner and my speedo is off by 10 mph
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Old 10-18-2013, 08:48 PM #4
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Quote:
Originally Posted by Hondafreak333 View Post
So my speedometer is off and im not sure where to start. Its all stock on 31x10.5 15's. When the speedo shows im doing exactly 30 my actual speed is 35 and when it says im doing 60 I'm actually doing 70. Thoughts?
yep, that's about right. its because you're running larger than stock tires.
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Old 10-19-2013, 04:19 PM #5
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My 33s are only off by like 5 mph at 60.
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Old 10-19-2013, 04:24 PM #6
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Thats odd because my mom's 95 4runner has the 31's and is all stock and her speedo is right on?
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Old 10-19-2013, 04:34 PM #7
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Not every truck came with 31s from the factory.
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Old 06-13-2014, 05:47 PM #8
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My speedo is off by 20 mph with 31's. Supposed to have 225's on it and it was off 15 with those. I'm thinking someone messed with my cluster before I got it or my cluster is junk. Don't know how to tell whether it's mechanical or electrical.
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Old 06-14-2014, 09:26 AM #9
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I just use my GPS for speed since both my rigs are off. I'm running 33's & 4:88 on both.
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