Thread: EcoJag
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Old 09-22-2016, 05:30 PM   #6 (permalink)
Master EcoModder
mcrews's Avatar
Join Date: Oct 2009
Location: Texas
Posts: 3,523

The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

blackie - '14 nissan altima sv
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I ran stock 245/45/18 on the 02 Q45S.
then went taller, 50 side wall. was worth about 3mpg on the road. I did a lot of highway driving. They were also a little narrower.

the deciding factor on tire size was the bottom of the strut tower! ended up having about 1/3 inch gap
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!

Last edited by mcrews; 09-22-2016 at 05:40 PM..
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