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Old 08-25-2012, 12:15 AM   #2 (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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second wind,
Nice job!!!!

I have a thread with the exact same results.
stock 245/45/18 26"
now 245/50/18 27.7"
I run 45psi.
Always thought the stiffer tire would bother me. Not one bit, but I also have electronic suspension.

As a note: truck do not tend to have the same results.
Also: IMHO you need to have 50% of your driving at 'cruise speed' to achieve a payoff. Since a larger tire is slower to turn on start off.

EDIT: on the comparision that I did it was Kuhmo escta on both sizes.
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; 08-25-2012 at 01:19 PM..
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