Lantley wrote:
Wild Card wrote:
trail-explorer wrote:
allen8106 wrote:
What ever the maximum cold pressure printed on the sidewall is the correct pressure, unless your wheels are not rated for that high of pressure.
DITTO
Thats not how it works.
The tire is rated for 4480# per tire at 110 psig. If you are not carrying 4480# per tire you are over inflated.
Edit
The 4480# per tire is just a number...i dont rmember what the exact capacity is.
That's how it works on paper in reality ST tires are notoriously cheap. Until I went to the top of the line tire like a Sailun. I had blow out issues. I want maximum capability and maximum margin therefore I air my tires to max. pressure.
I understand it is possible to over inflate your tires however my wear patterns are fine.
Trying to dial in load to tire pressure is pointless. We know the tires do not carry the same weight because the RV is not balanced that way.
Why bother filling the tires to some lower pressure in an effort to have pressure match load. If the load on each tire is different the pressure in each tire should be different as well if you truly wanted to match load to pressure.
I avoid all that nonsense and air to max pressure in order to get maximum capability and margin. Why derate the tire by lowering the air pressure? If I wanted a less capable tire I would have purchased some el cheapo vs. buying a Sailun and reducing the pressure to less capable ratings.
3 years at max. pressure so far no issues.
If you're carrying 2,000 lb. on a 4,000 lb. rated tire and you're looking for a bit smoother ride, why not air the tire down? Have you ever seen an empty semi trailer hit a big bump? They get some serious bounce, not necessarily the best thing for a 5th wheel full of stuff. Nobody says you have to be precise about it as long as you know you have sufficient pressure for the load you're carrying. If you don't know your load, and don't care to find out, then you're probably better off running max air pressure.
I've run mine at 90 psi to 100 psi since they've been on there, which is 4 years and probably 20,000 miles. They look perfect. And at the lower pressure I do get less movement in the toyhauler. Works for me.
