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lasitter
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So the Michelin MXV4 S8s on my new Accord can handle up to 1400 pounds at 44psi, and that's all great. But Honda sets the required pressure at 30/29 for this particular car ('05 4Cyl 5M LX), and that begs the question:
At those tire pressures, how much weight can the tires carry?
Guess what: As owners, we don't get to know.
With every PSI that you drop in inflation pressure, the max load capacity drops as well. And this number is different for every tire on the market.
So I figured that since this is important safety data, tire makers would certainly post their load index charts on their web sites so that you could know the limits of the tire at different levels of inflation. This is, after all, important safety information.
But no. Turns out that all this info is sent to a trade association, called the National Wheel & Rim Association, where it's compiled, and then SOLD at $70.50 per copy under the "Wheel and Rim Yearbook" title.
And of course with rapid changes in the market, it is obsolete before it's ever printed.
Consumers Union has already complained about this in a filing to NHTSA, all to no avail.
So just in case someone has this info for the stock Honda tires, I'd really appreciate it if you could share it with me.
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Cy@tirerack
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lasitter wrote:
So the Michelin MXV4 S8s on my new Accord can handle up to 1400 pounds at 44psi, and that's all great. But Honda sets the required pressure at 30/29 for this particular car ('05 4Cyl 5M LX), and that begs the question:
At those tire pressures, how much weight can the tires carry?
Guess what: As owners, we don't get to know.
With every PSI that you drop in inflation pressure, the max load capacity drops as well. And this number is different for every tire on the market.
So I figured that since this is important safety data, tire makers would certainly post their load index charts on their web sites so that you could know the limits of the tire at different levels of inflation. This is, after all, important safety information.
But no. Turns out that all this info is sent to a trade association, called the National Wheel & Rim Association, where it's compiled, and then SOLD at $70.50 per copy under the "Wheel and Rim Yearbook" title.
And of course with rapid changes in the market, it is obsolete before it's ever printed.
Consumers Union has already complained about this in a filing to NHTSA, all to no avail.
So just in case someone has this info for the stock Honda tires, I'd really appreciate it if you could share it with me.
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Every P205/65-15 Standard Load tire with a 91 Load Index (including the stock Michelin) will have the following Load Carrying capacities:
29 psi -> 1279 pounds
30 psi -> 1298 pounds
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lasitter
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Thanks a ton Cy. I wish I knew where online to look this information up for myself, as I got a different story from someone else at TR.
TR's web page says mine's a 92H. It would be great to be able to figure out what happens to load capacity for every PSI up or down you go with a tire.
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Cy@tirerack
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lasitter wrote:
Thanks a ton Cy. I wish I knew where online to look this information up for myself, as I got a different story from someone else at TR.
TR's web page says mine's a 92H. It would be great to be able to figure out what happens to load capacity for every PSI up or down you go with a tire.
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Please verify tire Load Index on your tire, it's to the immediate right of the size.
I'm not sure whom you spoke but information I've posted above is 100% accurate. I would like to scan the table that shows all the numbers but there would be copyright issues.
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