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Tire inflation question

Old May 10, 2003 | 10:33 PM
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From: Morris County, New Jersey
Tire inflation question

I recently purchased 285/75/16 BF Goodrich AT's for my 2001 3/4 ton truck with the long bed (4x4). The max inflation of these tires is 65psi. I am trying to figure out the correct air pressure to to use for daily travel. If I air em up to 65, the truck bounces all over the place. Can anyone with the same tires provide any advice? (Please keep in mind that I do not have access to a weigh station so I can't weigh the truck one wheel at a time for proper numbers). <br> Thanx in advance...
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Old May 11, 2003 | 02:56 AM
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Re:Tire inflation question

Sounds like you have Load Range D Tires if 65# max. Run 50# front &amp; 45# rear when empty. With Load Range D Tires your truck is no longer rated a 3/4 ton, it is now a 1/2 ton for loads you can haul.
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Old May 11, 2003 | 05:57 AM
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Re:Tire inflation question

I disagree the rating on the tire is D which is 8 ply not 10 ply, but the weight the tire is able to carry is determined on the amout of cooling a tire can do. Therefore the more air (bigger the tire) volume the more weight it can handle. Compared to stock tires the BFG's can handle around 50 lbs less a tire.
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Old May 11, 2003 | 02:44 PM
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Re:Tire inflation question

Actually, these tires can hold 3385 lbs. This is more than the E load tires.
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Old May 12, 2003 | 10:24 AM
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Re:Tire inflation question

Load ration not only has to do with weight that can be carried, it also has to do with stiffness of the sidewall. I had a tire dealer install the wrong load range on a previous truck. Going around curves it squirmed, terrible handling. Fortunately it was at a time when I wasn't towing or carring any significant loads. I discovered their mistake and returned to the dealer. The manager of the store did everything but get down on his knees with apologies. He said that If I would have been in an accident they could have been responsible as they installed the incorrect load rating was on my truck which severely degraded the handling and roadability..<br><br>They were our of stock for the correct tire. He telephoned around until he found the correct tire at a competitor that could install them that day and arranged for me to take my truck immediately. Didn't cost me one cent for the correct tires.
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