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Tire pressures play a big factor in accidents

A government study performed in the United States has found that 5% of vehicles involved in crashes experienced some sort of tire problem. The moral of the study is that underinflated tires are at significantly higher risk of causing an accident. The National Highway Traffic Safety Administration -- using data gathered between 2005 and 2007 -- conducted the study.
 
According to the study, vehicles with tires underinflated by 25% or more were three times as likely to be involved in the crash linked to tire problems. The study also found that 66% of tire related crashes involve passenger cars.
 
"Tire problems are inherently hazardous to vehicle safety," the NHTSA report said. "When these problems emerge in the pre-crash phase, the time window for attempting a crash avoidance maneuver is normally very small."
 
Another discovery made in the study includes that poorly maintained tires are tires that are underinflated are also more likely to experience problems in bad weather.
 
Of the sample vehicles that the study looked at it was determined that 11.2% had problems linked to tires in bad weather compared to 3.9% when weather was not a factor. Senior vice president for public affairs cites the new tire study for the Rubber Manufacturers Association, Dan Zielinski, as a clear indication that proper tire maintenance and inflation are critical for driver safety.
 
Tire pressure monitoring systems are installed in all 2008 model year and newer vehicles due to a U.S. government mandate. The tire pressure monitoring system alerts drivers when any tire is 25% or more below the recommended inflation level.

Source: Detroit News



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Fleabag
By Gunbuster on 5/16/2012 5:02:32 PM , Rating: 2
This story is dedicated to banned AT forums poster fleabag. Inflating to sidewall and beyond!




RE: Fleabag
By FITCamaro on 5/16/2012 5:43:53 PM , Rating: 2
If you mean inflating the tires to the tire listed sidewall maximum, there are a lot of hypermilers who do this.

On the Cruze forum I'm on there's a guy who does it and shows that it results in lower tire wear as well as better mileage at lower speeds(where friction is more of a factor). Now going beyond the manufacturers listed maximum is obviously unwise.


RE: Fleabag
By Samus on 5/17/2012 9:48:55 AM , Rating: 2
Fit is exactly right. I normally run my tires around 38psi in my truck, not substantially higher than the 32psi Ford recommends, but enough to give noticible gains in fuel economy and reduce wear. Since they can be inflated to 44psi I believe, I'm well within limits.

I've noticed many gas stations and random 'fill up spots' along the interstate around here have their machines regulators set around 40psi. I figured this out one day years ago in my Focus when trying to inflate a spare donut, which is suppose to be minimum 50psi, which I couldn't get to. This is obviously idiot-proof liability protection for the station owners, but also protects the idiot who still thinks they can 'feel' how much air is in their radial tires by kicking the sidewall...


RE: Fleabag
By Kurz on 5/17/2012 10:24:04 AM , Rating: 2
I currently run my Tires at 50 Front, 45 Back Tires.
For stability in turns (Back tires have little to no load and they tend to skip when front and back are the same Pressure).

Tires look great for having 60k on them, Probably be able to get another 20 or so.


RE: Fleabag
By Spuke on 5/18/2012 10:13:07 AM , Rating: 2
I run a little more myself but for different reasons. I get a bit more turn in crispness with higher pressures and a bit less sidewall flex (although there's not much of that with my present tires). I have not noticed any difference in wear or fuel economy.


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