Eric Greenwell wrote:
jcarlyle wrote:


At least we agree that using P rated tires on a trailer isn't a good
idea!


I don't understand why a P rated tire that can travel 15,000 miles a
year at 80 mph on a car would not be suitable for a trailer traveling a
few thousand miles each year at 65 mph (or, for that matter, a trailer
traveling 15,000 miles a year at 80 mph). What am I missing?

I am presently needing new trailer tires, and need to make this choice.
The tire place has Carlisle trailer tires, which seem to have a lot
of negative comments on the internet. Anyone have personal experience
with these tires?



I think it can be done safely in some cases. For example, choosing a
tire with plenty of load margin (say, more than 20%) and running it at
the maximum rated pressure, and towing at 60-65 mph.

Going to a larger rim diameter and lower aspect ratio tire (to maintain
the same outside diameter) with a high speed rating has also been
successful. The lower aspect ratio improves the stability and the high
speed rating (say, at least 20 mph over the towing speed) keeps the tire
cool.

The above might be suitable for your situation, if you can find 14" or
15" rims that fit your axle.