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Old 02-02-2013, 08:38 AM   #91 (permalink)
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Join Date: Oct 2009
Location: Texas
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The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

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I usually say you need to be at 5% or better to honestly see a decent improvement so you are close.
The weight will make only the smallest improvement BUT it will provide 4 times X less moving weight. SO you are headed in the right direction. Again nothing really measurea ble but a known improvement.
Since it is not a 'sports car' I personally dont think you will notice any difference in handling.
On my KIA Sportage I actually like the feel of the 70s but they were a 7% jump in diameter and feel safer.
YOu might consider going w/ poly sway bar bushing to tighter up the handleing.

MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

First: ScangaugeII

Second: Grille Block

Third: Full underbelly pan

Fourth: rear skirts and 30.4mpg on trip!
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