Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Taller Tire Test (5.7% MPG increase observed on Honda CR-Z @ 55-65 MPH)

mcrews · 08-25-2012, 12:15 AM

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.

08-25-2012, 12:15 AM	#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	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."* 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; 08-25-2012 at 01:19 PM..