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Hatchbacks Toyota Yaris Toyota Yaris Real-World MPG
472 messages, Last post on Oct 23, 2009 at 11:40 AM
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Replying to: yi5hedr3 (Jan 24, 2008 5:16 pm) |
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Sorry for the typo ! t was not until people were responding to 12 psi over that I noticed that indeed what I typed was wrong and not what I carry in my tires. What I meant to post is that I carry 5psi over for a total of 37 psi instead of the 32 on the door label. I have found that this is the sweet spot, for the tires on my Yaris. I carry a tread depth gauge and weekly perform tire pressure and tread depth operations. I also rotate and balance my tires twice a year. This is how I always obtain extremely good life from my tires. I have been doing this for years with every car I have and it's really worth the effort. I always run my tires over the mfg suggested pressure but not 5 psi on every car. Some less, some a bit more, as I base it on taking readings with the tread depth gauge on a regular basis. By monitoring wear and determining what each vehicle needs for pressure, I'm able to extend tire life and obtain even tread depth across the entire surface of the tire. It is not unusual for me to obtain at least 20% greater life than stated for a particular brand and model of tire. Thanks for calling that typo to my attention. |
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I run the 44 lbs. maximum shown on the sidewall, and have for the past 14,000 miles. My Yaris HB has 16,000 miles. Tire wear is very even across the tires. I know of many other hypermilers doing the same, and no problem with uneven tire wear. I have 8/32 tread depth front, and 6/32 tread wear rear. As you many know, the original equipment tires wear rather fast. There are much better tires as replacements.
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Replying to: fastrunner (Feb 02, 2008 4:12 pm) Thanks! |
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To anyone who is inflating their Yaris's tires to 44 psi: I say to you, please desist!! It's potentially very dangerous. Like most people, I usually inflate several psi higher than the door jamb sticker. That means 35psi for my Alero 4cyl. But 44psi is really pushing the limits of the Yaris's tiny tires. Plus, you're promoting premature tire wear because less of the tread is touching the pavement at that pressure. Finally, and most importantly, you're seriously risking a catastrophic hydroplaning event!! The Yaris is light enough the way it is; with super-pumped tires, it'll skate over a rainpuddle and land you in a ditch. Please, the few mpg you save aren't worth your life.
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All one has to do is lookup the actual facts. Not opinions. 44psi is stamped on the side of the tire so that one knows the load limit and psi ceiling that is perfectly safe to use. Every tire sold, has that data on the sidewall for a reason. That reason is safety. There is no reason not to inflate to maximum pressure if that is what one wants to do.
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Replying to: podred (Feb 10, 2008 9:54 am) On two gas saving webpages, which I am not allowed to show here, most are doing the max shown on the sidewall. None are having problems, and all are getting better mileage. I do not think there is a safety problem with going up to the max on the sidewall. Tire wear is normal.
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Replying to: fastrunner (Feb 10, 2008 11:22 am) |
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FYI: The information posted on the sidewalls of all passenger cars is federally mandated. It's the law. Period. There is not a single tire maker that is going to risk the liability, law suits, and ruiness reputation that would result from posting false info on their tires. One of the greatest causes of premature wear is underinflation. All one has to do is walk behind the tire store to the pile of tires they have removed when installing new tires. You will notice that the very center of the tread surface has at least 50% remaining while the shoulder of the tire is bald. This is what you get when you run the _auto makers_ suggested pressure. (Not that of the tire maker). They do not care how much tire life you get, they just want to you experience a soft ride. Believe me I used to own five tire stores. I know of what I speak. I have no reason to mislead you. Do yourself and your wallet a favor. Run at least 5psi more than the pressure indicated on the door sticker. You will increase your tire life by at least 10,000 miles, minimum. Check them once a month and you're all set. Cheers!
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Replying to: podred (Feb 16, 2008 1:56 pm) |
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