Posted by snoop-nc on November 12, 2011 at 14:40:44 from (67.213.38.171):
In Reply to: Tire Pressure posted by John T on November 12, 2011 at 13:24:29:
My "credentials" are: 10 years in the "tire and rubber" industry starting with Firestone Tire & Rubber in "sales" at a company owned retail store...sales and Ser. Mgr. in a large Firestone DEALER owned store...working (I got my hands DIRTY!!) mgr. of dealer owned/operated retread shop...sales with a supplier of supplies and equipment to tire dealers and retreaders.
What JOHN T has laid out for "argument" is OK. I have NO argument and tend to kinda/sorta follow the guidelines he has laid out for myself. I will make a couple or so comments that are/are NOT directly related.
(1) An 'E' rated tire that is inflated to 'D' rated max. pressure will NOT carry 'safely' anymore than the 'D' rated tire. IE....AIR pressure is what carries the load.
(2) If you run 'lite weight' over rough roads all the time (like a scalded dog!!) with the 'heavy' rated tires inflated to 'max' air pressure, you do increase...slightly...the chance for increased wear/tear on your vehicle's suspension. I do believe the risk is minimal though that could be attributed to just the tires.
(3) HEAT is a tire's enemy...and under inflated tires will 'heat up' faster than properly inflated tires.
(4) IF there is a 'difference' in front to rear tire pressures, I would suggest that you might do well to keep a 'difference' in the pressures. Run your fronts at 5-10 less than rear, BUT NOT LESS than vehicle placard calls for. This is a 'handling' scenario as well as a ride/comfort feature.
(5) Check air pressure in the cool part of the day BEFORE running very far so as to not heat up the tires.
(6)DO NOT EVER LET ANY ^&%^$% TIRE JOCKEY "PLUG" A TIRE...it needs to be broken down and inspected from the inside. The tire's "tubeless" feature is its inner liner and that needs to be treated like a tube. I have broken down too many tires that were "plugged" and still leaking only to find where a nail had gone in...bent over...and damaged a much larger area than just a "simple nail hole". I can come "unglued" over that practice in just a fraction of a second. You don't "plug" tubes so why "plug" tires.
OK...John T...that's my "considered" opinion. I prefer to NOT be called an "expert" as: EX refers to being a "has been" and (S)PERT is just "a little drip under pressure".
Be safe in your journeys down life's pathway ever facing the light...RICK
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