Originally Posted by
luniticfriend
There are some very good points here. Hydrogen is better in a tire due to the molecules being bigger than air, thus hardly any flats. The tire pressure (in my opinion) should not be taken off the door of a vehicle for they are not the people who make the tire. Remember the Ford problems with firestone tires and that huge recall? The door said to inflate to 26 psi max.. There is no tire out there that will not give you trouble at that low of a pressure. I use a "tire thumper" for checking my tires on the truck and check pressures every time the truck goes out. Semi tires are not cheap by any means (usually between $600-$750 per tire for something decent that will last). As far as smaller tires (14-16.5's check them with a gauge every trip off the yard. I fill to what the tire manufacturer says on the tire no matter of the vehicle. I would rather have a little less comfortable ride than blow out a tire with a full load of scrap on and pay the piper to due a roadside replace or just have the downtime when I could be prevented at home. Remember that a full tire will run cooler than a under inflated tire also. I never trust the low tire sensors due to them running off the abs system counting the revolutions of the tire.
I'm unaware of anyone using hyrdogen in tires, remember that german airship ?, nitrogen yes. Tire sensors read the pressure from a sensor inside the tire, has nothing to do with the abs system. Tire pressure all depends upon what your doing, I don't recommend a cookie cutter approach. There's no need if running 80 psi if your driving a half ton pickup hauling 500# in the back. Running too much pressure always reduces tire life and tends to "eat the center" or wear the middle of the tire out first, too little air and the outside edges wear out first. And never run a 10 ply at less than 40 psi.
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