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mcrews · 04-02-2016, 10:13 PM

I would think going a size up on the tires (not the rims) would help the mileage. I was able to pick up about 4mpg on the 02 InfinitiQ45S going 1 six up. I did a lot of hgwy driving.
Also, are you at 40+ psi?
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04-02-2016, 10:13 PM	#2 (permalink)
mcrews Master EcoModder 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 Thanks: 2,203 Thanked 663 Times in 478 Posts	I would think going a size up on the tires (not the rims) would help the mileage. I was able to pick up about 4mpg on the 02 InfinitiQ45S going 1 six up. I did a lot of hgwy driving. Also, are you at 40+ psi? Welcome! __________________ *MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."* ECO MODS PERFORMED: First: ScangaugeII http://ecomodder.com/forum/showthrea...eii-23306.html Second: Grille Block http://ecomodder.com/forum/showthrea...e-10912-2.html Third: Full underbelly pan http://ecomodder.com/forum/showthrea...q45-11402.html Fourth: rear skirts and 30.4mpg on trip! http://ecomodder.com/forum/showthrea...tml#post247938