Matt, your comment leads me to think you may have not read my updated information on trailer tire inflation. (Selecting the Correct Tire Pressure for Your Trailer)
Anyone who is familiar with Step 5 in the past will immediately notice I removed all the trailer tire chart images.
Also, inflating trailer tires to maximum allowable cold air inflation does not eliminate the need for knowing individual axle and tire position weight.
So, I just repositioned the trailer tire info to the top.
You need you update your site. There is alot of false information about ST tires.
The construction, design, materials and testing used in ST Special Trailer tires meet the higher load requirements, duty cycles and special demands of trailering.
False...
* Polyester cords in an ST tire are bigger than in a comparable P or LT tire.
* Steel cords used in ST tires have a larger diameter and greater tensile strength to meet additional load requirements.
* ST tire rubber compounds contain chemicals to resist weather and ozone cracking, particularly conditions resulting from extended storage and the unusual duty cycles of trailer tires.
No different then LT tires though could be less in ST tires.
* The slightly shallower tread depth of a trailer tire reduces sway and rides cooler, which adds to tire longevity.
False Statement...
* ST tires feature stiffer sidewalls, especially in the lower section which:
LT and P tires have much much stiffer side walls
* Reduces sidewall flexing causing the trailer to track straighter.
False due to the very light sidewalls...
* Diminishes the risk of trailer sway.
False....
* Lessens the risk of sidewall puncture and blowout.
Very False.... Again ST have a very thin sidewall
* ST tires generally offer approximately 10% percent more load capacity than a similar LT tire and nearly 40% more than a P passenger tire.
Somewhat true as LT and P tires must have a larger safety margin for Load Carrying ratings as they transport passengers, ST have no margin for error, which is bad.
The ST Difference information is published in Trailer Tires: Tips & Best Practices. (PDF)
Please note, all special trailer (ST) tires are rated for the maximum speed of 65 miles per hour.
Due to their lower manufactured qualities.
RV expert, Mark Polk, wrote an excellent article about using LT tires on trailers. Check it out here.
All of the above statements were written to market ST tires, nothing more and nothing less. They are not written on scientific facts because half of them can be disproved if you cut a LT and ST in half. Then compare what you find.
People very rarely have the amount of issues with LT tires like we do with ST tires. If the answer to the failures that of the ST is improper care and inflation and or overloading there should be a equal amount of failures from that said Person's TV. As they will transfer the same care from the trailer to the TV. If STtires had to meet the same manufactured regulations as LT tires then you would see this topic slowly go away. ST tires are built to a poor standard and they are a weak tire that will never last as along as a LT when ran at or near the max load rating.
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