Date: Thu, 05 Jun 2003 15:44:30 GMT From: "Fred W." idludv014icef4ockel1i57q1shqs2sfu5nopsamcom... > Okay, I did a quick check on the "maximum inflation pressure " means > cold pressure notion, and I am correct, max = cold. I don't have the > presumed CFR cite that sets forth the standard, but I do have the next > best thing: US DOT (NHTSA) has posted a notice of proposed rule > making to change 49 CFR Parts 567, 571, 574 and 575. Therein, the > agency writes: > > "The recommended inflation pressure is often confused with the maximum > inflation pressure which is labeled on the tire by the tire > manufacturer to provide the maximum cold inflation pressure to which a > tire may be inflated based upon the maximum load rating for that tire. > > Maintaining tires at their proper inflation pressure, instead of > allowing them to become underinflated, reduces heat build up, > minimizes tire wear, contributes to good vehicle handling and improves > fuel economy through decreasing the rolling resistance of the tires." > > see: http://www.nospam/cars/rules/rulings/TREAD/NPRM/Index.html I knew that, that was not the way I interpreted what you said which was: >> With all due >> deference to Bob, I think max pressure is cold pressure. but nonetheless, I would not inflate tires to max pressure just because the sidewall says that you can.
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