Horrible MPG. HELP

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May 24, 2016 | 01:35 AM

#16

5speedZJ

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Joined: Dec 2015

Posts: 106

Likes: 1

Quote:

Originally Posted by brycecoxXJ

They don't have one for 3.55 gears and 33 inch tires though. Do you think there is one around?

355s and 33s doesn't help your fuel mileage at all

May 24, 2016 | 06:16 AM

#17

KaMoore

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Joined: Feb 2016

Posts: 211

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From: Tucson, AZ

Year: 1999

Model: Cherokee

Engine: 4.0L

Quote:

Originally Posted by brycecoxXJ

Why would this be necessary for better gas mileage?

The speedometer gear that came stock in your Cherokee is calibrated with tires that have a 27" circumference. A 35" tire turns less revolutions a mile. The odometer will not read true miles since the 33" tires turn fewer revolutions to go one mile.

May 24, 2016 | 10:33 AM

#18

winginit

Member

Joined: Apr 2016

Posts: 184

Likes: 0

Model: Cherokee

want better mileage put a stock size tire on your jeep ,or change your gears to 4.56

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