4.88's vs 4.10's on 35 MTRK MPG change - Jeep Wrangler Forum
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Old 09-24-2012, 05:13 PM   #1
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4.88's vs 4.10's on 35 MTRK MPG change

Ok this is GPS mileage. On my 04 auto rubicon I ran Nitto terra 33's/4.10 and was averaging about 16 on the Hwy.

Then I put on the 35's and it dropped to 14.3 on the trip out to regear. Coming home the new GPS reading was 10% from the speedo, 60=66 mph.

I ran 94.6 GPS miles @ 70 to 75 mph and used 5.36 gallons for a MPG of 17.6. That is a 3.3 mpg increase for the gear change on just hwy only. I did not expect that big of a bump or to be better than the 33/4.10 combo.
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Old 09-24-2012, 09:24 PM   #2
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Way to go Bob,, that sounds about right.. I'm getting a bit better than 17 with my 33" pizza cutters with 4:11s .. and a stick..

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Old 09-24-2012, 10:55 PM   #3
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What ratio did you regear to?
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Old 09-24-2012, 10:56 PM   #4
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Oh...Sorry, I see it on the title of your post
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