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WHAT MPPG ARE YOU GETTING WITH YOUR 4.88's?

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Old 09-26-2010, 06:42 AM
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Default WHAT MPPG ARE YOU GETTING WITH YOUR 4.88's?
I just got mine installed and i wanted to check what you are getting im running on procomp 35x12.50r17 6spd manual. whats your mpg on 35's?
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Old 09-26-2010, 06:46 AM
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Can't wait to see the responses. Mine dropped to 13.5 mpg with 35s and stock 4.10s. Thinking of 4.88s, but would like some real world feedback.
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Old 09-26-2010, 06:58 AM
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I've got 35/12.50/17s, 4.88s, 6 speed, running tow tune on the Flashpak. I just got back from camping. Ran highway and some trails on the same tank of gas. I got an average of 15.3mpg.
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Old 09-26-2010, 08:42 AM
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Originally Posted by ethang1977
I've got 35/12.50/17s, 4.88s, 6 speed, running tow tune on the Flashpak. I just got back from camping. Ran highway and some trails on the same tank of gas. I got an average of 15.3mpg.
I get the same mpg
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Old 09-26-2010, 12:36 PM
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Default MPG on 4.88s
My 09 Unlimited Rubicon, with Auto, 4.88, 35" KM2s.
Around town, some highway, 15.5 MPG. Haven't done any roadtrips yet....
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Old 09-26-2010, 12:49 PM
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Originally Posted by ethang1977
I've got 35/12.50/17s, 4.88s, 6 speed, running tow tune on the Flashpak. I just got back from camping. Ran highway and some trails on the same tank of gas. I got an average of 15.3mpg.
Originally Posted by crawlermike
I get the same mpg
Originally Posted by bigapplephx
My 09 Unlimited Rubicon, with Auto, 4.88, 35" KM2s.
Around town, some highway, 15.5 MPG. Haven't done any roadtrips yet....
thank you for the input ill post whats up with mine on wednesday i drive 150miles one way to work so ill let you know what i get on the highway i also carry about another 1400LBS worth of gear on my rig but ill post and tell you what i get
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Old 09-26-2010, 01:16 PM
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Hold Up. I just bought a set of 4.88's for my 6 speed and I have 35's. Should I have gone with 4.56's
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Old 09-26-2010, 01:24 PM
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Originally Posted by 07BLUEJK
Hold Up. I just bought a set of 4.88's for my 6 speed and I have 35's. Should I have gone with 4.56's
why????? whats wrong with them?
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Old 09-26-2010, 01:30 PM
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I am running 4.88s with 35" MT/Rs and get an average of 14.5-15 around town and about 16.5 highway.
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Old 09-26-2010, 01:59 PM
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Originally Posted by phljeeper
I am running 4.88s with 35" MT/Rs and get an average of 14.5-15 around town and about 16.5 highway.
thanks for the input
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