Tire Life Survey

[greendriver]

I just replaced the tires on my wifes Accord. They had 92k miles on them. I checked the tire pressure regularly and kept them at 32 psi. I've read a bunch of posts on tire's lasting longer if you put more air in them(max sidewall) but I am still skeptical. (35 years of old habbits are hard to break)

I thought a survey with actual mileage might help me change my old ways.

Please take 30 seconds to participate. Results will be posted here.


http://greendrivingtips.com/?page_id=131

Thanks,

[A024523]

I just made my input. You you haven't seen this already, here a poll done here a few months ago on PSI alone...
http://www.cleanmpg.com/forums/showthread.php?t=10881

PS - I recently upped mine to 50 PSI (max sidewall is 44)

[ksstathead]

Our mileage is low and getting lower, so I can only give my impression:

Since jacking up psi and reducing average speed & agressiveness, I can no longer detect wear. Before, life stunk (40Mish) and middle of tread was wasted.

Tacoma has 44M with original tires. Should do 60M. Guesstimate 90M if had inflated properly the first 5 years of its life. Now at 35psi (max sidewall).

[greendriver]

Originally Posted by A024523

I just made my input. You you haven't seen this already, here a poll done here a few months ago on PSI alone...
http://www.cleanmpg.com/forums/showthread.php?t=10881

PS - I recently upped mine to 50 PSI (max sidewall is 44)

Thanks for your input Edwin. I missed that link. Good info.

[greendriver]

Originally Posted by ksstathead

Our mileage is low and getting lower, so I can only give my impression:

Since jacking up psi and reducing average speed & agressiveness, I can no longer detect wear. Before, life stunk (40Mish) and middle of tread was wasted.

Tacoma has 44M with original tires. Should do 60M. Guesstimate 90M if had inflated properly the first 5 years of its life. Now at 35psi (max sidewall).

Good point about how slowing down can increase tire life. Wonder if flying around corners the way I do now is gonna wear out the outside though!

[A024523]

Originally Posted by greendriver

Good point about how slowing down can increase tire life. Wonder if flying around corners the way I do now is gonna wear out the outside though!

John, It has not the case for folks doing this the longest, like Wayne himself. I suspect a slight increase in center wear above max PSI may offset the increased outer wear via "death turns", but most folks here don't think there is any tendancy for center wear.

By the way, there is a wealth of knowledge on zillions of threads from the past, so I recommend also doing searches, because virtually every imaginable issue has been addressed before many times over. Good luck!

[greendriver]

Originally Posted by A024523

John, It has not the case for folks doing this the longest, like Wayne himself. I suspect a slight increase in center wear above max PSI may offset the increased outer wear via "death turns", but most folks here don't think there is any tendancy for center wear.

By the way, there is a wealth of knowledge on zillions of threads from the past, so I recommend also doing searches, because virtually every imaginable issue has been addressed before many times over. Good luck!

Yes, I have done many searches here on this excellent forum and I thought a survey would be a good place to get real life stats on one page.

I have posted the results to date just below the survey. http://greendrivingtips.com/?page_id=131

For those oposed to clicking on an external link here is what we have so far.

Tire Brand (5 Values)
Goodyear (0) 0.00%
Michelin (2) 40.00%
Pirelli (0) 0.00%
Bridgestone / Firestone (1) 20.00%
BFGoodrich (0) 0.00%
Nitto (0) 0.00%
Continental (1) 20.00%
Dunlop (1) 20.00%
Yokohama (0) 0.00%
Kelly-Springfield (0) 0.00%
Other (0) 0.00%


Air Pressure (5 Values)
Manufacture recommended (1) 20.00%
Max Sidewall (2) 40.00%
Greater than Max sidewall (2) 40.00%
NA (0) 0.00%


Mileage (5 Values)
Less than 50 K (2) 40.00%
50-60 K (1) 20.00%
60-70 K (0) 0.00%
70-80 K (1) 20.00%
80-90K (1) 20.00%
90-100 K (0) 0.00%
Greater than 100 K (0) 0.00%
NA (0) 0.00%

Comments:

Tire Brand Bridgestone / Firestone
Air Pressure Max Sidewall
Mileage 70-80 K
Comments Another 40k left in them!

Tire Brand Dunlop
Air Pressure Greater than Max sidewall
Mileage 50-60 K
Comments good wear pattern and still life left in all four tires

Tire Brand Michelin
Air Pressure Manufacture recommended
Mileage 80-90K
Comments Good wear