tyre pressure
Junior User
Joined: Dec 2006
Posts: 84
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From: South Florida
Shriner
Yes, that is the chart I had seen before but no longer seems to be on their Goodyear website. Thanks, I'll store that one for future reference.
Ben
P. S. Got your PM and will try to catch the parade.
Yes, that is the chart I had seen before but no longer seems to be on their Goodyear website. Thanks, I'll store that one for future reference.
Ben
P. S. Got your PM and will try to catch the parade.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
Originally Posted by Benjoman
Goodyear used to have a chart showing required pressure for a given weight but I haven't been able to locate one lately. Does anyone have a link for such a chart?
ON EDIT: Here's the link. http://www.clubfte.com/users/monsta/SuperDutyFAQ.html
Here's the table:
Here is the inflation table for 265/75R16E tires. (May vary by brand a little.)
Weight/Pressure
1494 / 35
1708 / 40
1921 / 45
2134 / 50
2348 / 55
2561 / 60
2775 / 65
2988 / 70
3202 / 75
3415 / 80
Junior User
Joined: Dec 2006
Posts: 84
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From: South Florida
Originally Posted by Monsta
Yes, all tire pressures are based on the weight they'll be carrying...unloaded.
An E-rated tire is "rated" to carry 1921lbs @ 45psi (the recommended cold psi for the front of my Excursion). And 2134lbs at 50psi (your listed front psi?). 55psi allows for 2348lbs.
Add 'em up and all four at 45/55 can support 8538. Certainly enough to handle the weight unloaded but not at MAX GVWR. Since most of us do not weigh each thing we put in our truck each time we do it, it is "safe" reasoning to put in 10psi more than recommended on the door jamb...wouldn't you agree?
An E-rated tire is "rated" to carry 1921lbs @ 45psi (the recommended cold psi for the front of my Excursion). And 2134lbs at 50psi (your listed front psi?). 55psi allows for 2348lbs.
Add 'em up and all four at 45/55 can support 8538. Certainly enough to handle the weight unloaded but not at MAX GVWR. Since most of us do not weigh each thing we put in our truck each time we do it, it is "safe" reasoning to put in 10psi more than recommended on the door jamb...wouldn't you agree?
Your reasoning sounds good and I have no qualms with adding 10psi to placard recommendations, I tend to do that myself. Where do you obtain the above rated weights? In the chart link given above by Shriner, on page 7 of the PDF, 265/75 R16's show 2470@50psi and 2625@55psi. 2times each added up equals 10,190lbs. For 285's 2755@50psi and 2925@55psi equals 11360lbs.
Ben
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
We posted at the same time. Capacities vary by brand.
A person could by by those number in the PDF, fo sure. However, for those who drive on the highway you must increase your cold inflation pressure by 10%.
Bottom line is, the inflation pressures recommended on the door jamb are a bit too low for many. Increasing 10-20% is safe and has positive impact on performance.
Capacities vary by brand. A person could by by those number in the PDF, fo sure.
However, for those who drive on the highway you must increase your cold inflation pressure by 10%. Bottom line is, the inflation pressures recommended on the door jamb are a bit too low for many. Increasing 10-20% is safe and has positive impact on performance.
Last edited by Monsta; Jun 24, 2007 at 02:17 PM.
Junior User
Joined: Dec 2006
Posts: 84
Likes: 0
From: South Florida
Originally Posted by Monsta
We posted at the same time. Capacities vary by brand.
Capacities vary by brand.Ben
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Elder User
Joined: Feb 2004
Posts: 517
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From: Texas
I run the 295/75/16 BFG A/T KO's with 65 psi in all four corners. I drive about 75,000 miles a year and the last set of BFG's lasted over 110,000 miles. I always check the pressure when I fill up and also check the temp of the tires (just by feeling them) to make sure they are not over heating.
Bryan
Bryan
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