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Old 03-13-2012, 07:00 AM   #1
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Gas mileage on 37s?

Just like the title says, how do 37 inch tires affect your gas mileage from stock? or compared to 35s even?

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Old 03-13-2012, 07:14 AM   #2
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It obviously affects it negatively and worse than 35's. I would imagine it would be in the very low double digits.

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Old 03-13-2012, 08:13 AM   #3
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i'd probably throw out... if you can afford to run 37's on a DD you probably don't need to worry about the price of gas....

just sayin!

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Old 03-13-2012, 08:17 AM   #4
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I average 15's with 35" tires.
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Old 03-13-2012, 08:18 AM   #5
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ive avg 0 all week now
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Old 03-13-2012, 08:20 AM   #6
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Quote:
Originally Posted by kbwwolf View Post
I average 15's with 35" tires.
yeah in the mountains of Tampa Bay i'm averaging low 16's with 35's...

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Old 03-13-2012, 08:26 AM   #7
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Im avg 12-13 here in the high country of Naples Fl & get 10-12 all summer in Colorado on 37" w 5:13 gears
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Old 03-13-2012, 08:58 AM   #8
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Quote:
Originally Posted by HookmCowboys View Post
Im avg 12-13 here in the high country of Naples Fl & get 10-12 all summer in Colorado on 37" w 5:13 gears
reaching hummer mileage...
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Old 03-13-2012, 11:27 AM   #9
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with 35s and 373s i got 13

with 37s and 373s i got 12-13

with 37s and 513s i get about 11.5

i do all city though. jeep is a two door automatic

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superchips, jetchip, airraid, throttle body, catback exhaust, headers
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Old 03-13-2012, 11:32 AM   #10
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'07 JKU on 37's. Sees trails about every other weekend. 14mpg. If I do a lot of highway driving 16mpg. Upping the wheeling to every weekend, drops to 13mpg.


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Old 03-13-2012, 02:10 PM   #11
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My '12 JKUR/4.10/36's (measure 35.75" @ 27psi) - 13mpg
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Old 03-13-2012, 02:30 PM   #12
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I have to admit though, I really do not care about the mileage in the rig. It's built the way I want it, and it is up to the task.

Bob K.

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