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Old 08-31-2010, 11:16 PM   #1 (permalink)
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Just ordered new tires!

Ordered my self a set of Michelin Energy Saver A/S from Tire Rack.

Still got enough tread on my original tires to go another 5k+ miles easy but they were on sale and last time I saw them at this price was a good 4 - 5 months ago.

I have been happy with the mpg's I've been getting with the Goodyear Integrities and they lasted over 45k miles with enough left to get me to 50k miles if I wanted to. Tire Rack ran some tests and I should be able to get around 4% or 5% more mpg with my new tires and with how I drive that should be an extra 2 or 3 mpg.

I do run my my tires just below sidewall max and have to say that after 45k miles there is actualy slightly more tread left in the middle then on the sides, which is the opposite of what people who are against running tires inflated to sidewall max say will happen.

I am going to run in the tires a bit and slowly build up to 42 psi cold as there has been some evidence against taking a brand new tire and pumping it up to sidewall max right away.

My mpg goal for 2010 has been to average 48 mpg for the entire year and as it sits currently I am at 48.28 mpg average. I am hoping that with these new tires I will be able to hit 50+ mpg average for 2011.

As it will be winter by the time I get the new tires built up to sidewall max and the colder weather will hurt my mpg's I will probably have to wait till next April to really see how much of an improvement there is.

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Old 08-31-2010, 11:41 PM   #2 (permalink)
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Are the old tires to be scrapped now?

Would that be eco?

I run tires 'til they blow. I think it's a good thing to extract the last mile outta 'em.
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Old 09-01-2010, 06:09 AM   #3 (permalink)
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Quote:
Originally Posted by Frank Lee View Post
I run tires 'til they blow. I think it's a good thing to extract the last mile outta 'em.
There are many Frank Lees out there, judging by the stacks of disposed tyres I see at the tyre shop.

Wet handling is dangerously degraded when you run your tyres bald.
Having a tyre blow is yet another serious safety risk, and it increases exponentially with severe tyre wear.

I don't mind you risking your own life, but you're not alone on the road.
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Old 09-01-2010, 02:19 PM   #4 (permalink)
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Old 09-01-2010, 04:31 PM   #5 (permalink)
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I don't mind you risking your own life, but you're not alone on the road.

I second that.
The tires have a wear marker on them at which point they need to be replaced. I will put a few more miles on these tires but when I get to the marker I'm replacing them.


Also, there are always alternatives to just dumping tires.

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Old 09-01-2010, 07:01 PM   #6 (permalink)
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In general, your fuel economy will drop with new tires. It will come back up again once they "wear in", but I don't know how long that will take.

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Old 09-01-2010, 08:09 PM   #7 (permalink)
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I wear mine down to the legal limit. Don't see a point in going further than that. Although I see people all the time with all seasons that look like racing slicks.
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Old 09-01-2010, 09:14 PM   #8 (permalink)
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Around here if you don't have tread you don't pass inspection.

That said I usually have gotten new tires before they have been worn out. Quite un-eco, mostly in the name of safety.

If I wanted to be truly eco I would not own a car, work outside my house or be on the internet.

In my estimation many here are mileage bandits rather than trying to live with a minimum footprint. I am okay with that. It rather defines our culture.

Tires are a great way to improve economy but upgrades can't cost more than they save. They are not like buying a car they use themselves up in only a few years.

I would like to see data on which tires are the best.
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