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mcrews · 05-23-2014, 02:44 PM

I raced a 79 RX7 in scca show room stock. I raced on 14" rims w 50 series tires the. Ran 15" 70 on the street
You could really improve your mpg with a set of street tires at least 5% larger diameter than stock (at 40+ psi)

05-23-2014, 02:44 PM	#9 (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 raced a 79 RX7 in scca show room stock. I raced on 14" rims w 50 series tires the. Ran 15" 70 on the street You could really improve your mpg with a set of street tires at least 5% larger diameter than stock (at 40+ psi) __________________ *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 Last edited by mcrews; 05-23-2014 at 02:50 PM..