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Old 12-05-2008, 12:14 AM   #5 (permalink)
DifferentPointofView
Giant Moving Eco-Wall
 
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Join Date: Dec 2007
Location: The Dale, IL (or A-Dale)
Posts: 1,120

The Jeep! - '95 Jeep Grand Cherokee ZJ Laredo
90 day: 23.75 mpg (US)

The Caliber - '07 Dodge Caliber R/T
90 day: 30.6 mpg (US)

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Quote:
Get the smallest diameter tires that are made for your vehicle(I think I can fit 12's but 13 is as far down as I want to go)
Do you mean rims?

Also, smaller diameter tires may equal less FA, but your speedometer and odometer will be off, and your tires will have to spin more to go the same distance as the stocks, therefore RPM's are higher and increased gas usage occurs.

I'd just go with narrower LRR tires. no messing with ODO or Speedo, same RPM's, less FA, less RR, and higher PSI! only problem is less traction and gripping when needed.
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Yea.. I drive a Jeep and I'm on a fuel economy site, but you just wouldn't understand... "It's a Jeep thing!" *Jeep Wave*

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