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Ford Freestyle Tires
160 messages, Last post on Aug 04, 2009 at 1:14 PM
You are in the Ford Freestyle Forum.- Your Hosts are Stever@Edmunds & kyfdx
What is this discussion about? Ford Freestyle, Tires, Wheels, SUV
#159 of 160 Re: What tire is best suited for my needs? [coldcranker] by bobw3
Aug 04, 2009 (9:20 am)
Replying to: coldcranker (Jul 31, 2009 7:30 am)
Where did you get the info that these tires improve MPG by 3%?
- coldcranker (Aug 04, 2009 1:14 pm)
Replies to this message:
#160 of 160 Re: What tire is best suited for my needs? [bobw3] by coldcranker
Aug 04, 2009 (1:14 pm)
Replying to: bobw3 (Aug 04, 2009 9:20 am)
One SAE article.... click here... ...another SAE article click here...
.. and another article about the tech they're using....
Goodyear claims 8% when the tire is new at highway speeds using SAE tests, and 4% average over the life, but they don't take into account the fact that as the tire wears, it gradually loses some of its advantage, so I claim its really 3% over the tire life. And, even though its a 65,000 mile warrantied tire, many will trade them in at around 40,000 miles.
Best way to view it is that you get about a 7 cents per gallon of gasoline discount every time you fill up if you have Fuel Max tires. It helps. I gave a presentation at an SAE meeting last May where I went through all the individual engineering improvements possible invented or refined over the past few years, and we noted that, combined, average cars can get about 20% more efficient by doing relatively easy things, and the Fuel Max tire is one of them.
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