PSI when using higher load range tires.

Grit dog wrote:

The debate is partly because you haven't provided enough info for an accurate recommendation and based on this post, you and your grandfather are still not actually correct when it comes to tire load/pressure.
Combine that with the inconsistent and somewhat unrealistic other "info" you've provided....
-Never even said tire size. I've gleaned, maybe incorrectly that they're 15" 225-75s likely? If 16" then wouldn't have been LR D in my experience. Totally different tires and the 15s SHOULD be near 80psi if your loaded weight is right. 16s you could run about 20psi less and still have capacity.
- 1st post, just upgraded from LR Ds. Last post, on your 3rd set of LR E Endurance tires...a tire that's only even been available for about 4 years now. Which is it?

If you can't even be consistent with the info you provide, you surely can't get the right answer to your questions unless purely by chance.

And the fact that you allude to putting mega miles on your trailer (and your website supports that assumption on my part), it also seems like you're looking for a solution or answer to a problem that doesn't exist.

Thanks for your observations .You are correct. I did not provide enough info for an absolute accurate recommendation. At 1st thought I did not think finding answer would be complicated. I figured an answer with in a margin of error would be apparent.

You've gleaned correctly that they're ST225/75/R15

Sorry to imply this was my 1st set of Good Year Endurance E load range tires, these are my 3rd and they are uprade from the original D load range. I also had a set or two of other E load range tires before the Endurance.

1st set I got was on 10/12/2017 and put about 27,000 miles on them.
- I remember my main tire guy said they were a new series and only found a few online reviews but all reviews were good.
- I had zero issues with this set.

2nd set was on 5/20/19 and I got about 32,000 miles out of them lasting thru August 2022
- They showed minumal wear but one blew on the inner wall. My TPMS caught the deflation and I was able to avoid damage to trailer.
- I was planning to change this second set in November at end of my season with trailer.

Tire installer on 1st two sets put in 65 PSI.

The inner tire wall blow out and max 80 PSI installer put in these new E load range tires (upgraded from original D load range) had me wondering about PSI.

My trailer weights:
7,782 lbs empty
3,241 lbs cargo
11,023 lbs GVWR

Last time I weighed trailer with load I was close to 10,000.

Again thank or replies.