Tire/MPG question

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Nov 8, 2009 | 07:00 PM

Stan6406

Thread Starter

Seasoned Member

Joined: Mar 2009

Posts: 259

Likes: 0

From: Ohio

Year: 1987

Model: Cherokee

Engine: 4cyl

Tire/MPG question

Probably a stupid questions that I should know the answer to but i don't

As you go up in tire size does the gas mileage get better or worse?

Nov 8, 2009 | 08:42 PM

shepW00dD

Seasoned Member

Joined: Oct 2009

Posts: 376

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From: Poconos PA

Year: 1998

Model: Cherokee

Engine: 4.0

ummmmmm worse

Nov 8, 2009 | 08:44 PM

Wrecked

Seasoned Member

Joined: Jan 2009

Posts: 375

Likes: 1

From: Lovettsville, VA

Year: 1996

Model: Cherokee

Engine: 4.0

It should go down because your engine has to work harder to turn the extra weight of the tires. jmo.

Nov 8, 2009 | 08:44 PM

sv41878

Senior Member

Joined: Jun 2009

Posts: 670

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From: Central Pennsylvania

Year: 1989

Model: Cherokee (XJ)

Engine: 4.7 H.O.

A whole lot worse, I can get 17 (city) with my 31's, I get about 12 when I slap the 33's on it. Gears help some to deal with it.

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