Towing with E rated tires, that DON'T go to 80psi

[FSAD]

I'm looking to get different tires soon and while I have been happy with my Hankooks (I'm on my 3rd set, albeit I only get about 25k out of them), I want to go a little bigger, and it seems all the E rated tires that have an 80psi max do not have the larger sizes.

My question is to those of you who tow with a larger tire that while being E rated, only has a max pressure of 65 (typically what I'm finding in the larger ones). I know the load rating is there in the specs, but I worry about them not being as solid as a true E, 80psi, one. Are they solid? Do you get any more sway (I, have an 8500# bumper pull), or are they "squishier"?

thanks for your input

mikey

ps, I wanna stick with 17"s since the wife will kill me if I start talking new rims

[FSAD]

Let's stay on track, please...

I'm looking for more people who are towing with an E rated tire that only has a max of 65 (and preferably larger than a 295), and how it does towing the typical weights we tow.

Thanks folks

[JIMNLIN]

No the results will not be the same...

D rated = 8ply
E rated = 10ply

The D rated tire will have a weaker carcass and sidewall which will directly affect handling.

To say both tires will produce the same results is hogwash...

Having used both....Your clueless.
But we can agree to disagree

[N-Trouble]

JIMNLIN wrote:

Your comparing apples/oranges. A 65psi D-rated is not in the same category as a 65psi E-rated tire. OP is asking about E-rated.

I understand what he is asking for....regardless the results will be the same.
Some D rated tires have more capacity than some E rated tires.
As I mentioned check out the TC forum as they get a new guy on occasion who asking about using any higher capacity D tire at 65 psi vs 80 psi tire.

Now if he's not trying to carry heavy loads with no heavy trailer pushing him around then a 65 psi tire (65 psi or 80 psi) may work for him if his truck has the correct rim width.

No the results will not be the same...

D rated = 8ply
E rated = 10ply

The D rated tire will have a weaker carcass and sidewall which will directly affect handling.

To say both tires will produce the same results is hogwash...

[JIMNLIN]

Your comparing apples/oranges. A 65psi D-rated is not in the same category as a 65psi E-rated tire. OP is asking about E-rated.

I understand what he is asking for....regardless the results will be the same.
Some D rated tires have more capacity than some E rated tires.
As I mentioned check out the TC forum as they get a new guy on occasion who asking about using any higher capacity D tire at 65 psi vs 80 psi tire.

Now if he's not trying to carry heavy loads with no heavy trailer pushing him around then a 65 psi tire (65 psi or 80 psi) may work for him if his truck has the correct rim width.

[N-Trouble]

JIMNLIN wrote:
I've tried 65 psi D rated which were higher load capacity tires than OEM 80 psi E tires.
They were dismal failures. The truck handle much worse than the OEM tires.

HOWEVER... both trucks were carrying max RAWR loads. One had a tall heavy 11.5' truck camper and the other was a DRW one ton in commercial service carrying max RAWR loads with a 21k fully loaded GN stock trailer.

IMO you can get education over on the truck camper forum on 65 psi vs 80 psi and carrying heavy loads. Check them out. Or ask a them a question.

Your comparing apples/oranges. A 65psi D-rated is not in the same category as a 65psi E-rated tire. OP is asking about E-rated.

[N-Trouble]

FSAD wrote:

N-Trouble wrote:
...They tow great and are every bit as stable if not more than the stock tires.
...

I'm sure the 1" sidewalls help 😉

thanks for the report!

33.5" diameter tire on 20" rim = 6.75" side wall. 😛

My factory tires were only 32.8" diameter so had even less side wall...

[JIMNLIN]

I've tried 65 psi D rated which were higher load capacity tires than OEM 80 psi E tires.
They were dismal failures. The truck handle much worse than the OEM tires.

HOWEVER... both trucks were carrying max RAWR loads. One had a tall heavy 11.5' truck camper and the other was a DRW one ton in commercial service carrying max RAWR loads with a 21k fully loaded GN stock trailer.

IMO you can get education over on the truck camper forum on 65 psi vs 80 psi and carrying heavy loads. Check them out. Or ask a them a question.

[wandering1]

E is a true E at 65psi or 80 psi.

[FSAD]

N-Trouble wrote:
...They tow great and are every bit as stable if not more than the stock tires.
...

I'm sure the 1" sidewalls help 😉

thanks for the report!

[mosseater]

I put a set of Yokohamma Geolanders on my 150, load rated E, and run them at about 70psi rear and 65 front. When they were new, they were pretty squirmy because of the deep all terrain tread ("hair brushing" is the technical jargon). They settled in after a 1000 miles or so and have been a great all around tire ever since. Coming up on 59,000 miles and they should get me to 60,000 + before winter when I plan on buying another set. The more wear they get, the harsher the ride unloaded. Stands to reason though, since the tread gets thinner and the compound gets harder. I've been very pleased with their performance overall. I tow at about 8000 lbs, 1100 lbs tongue, and 15,300 combined, so maxed out on numbers.

[N-Trouble]

I run 305/55/20 E-rated tires with max 65PSI towing a 12K lb 5th wheel. No issues what so ever. They tow great and are every bit as stable if not more than the stock tires.

When unloaded these tires provide a much better ride than the stock skinnies since you can run them at a much lower PSI (45-50PSI).

You will take a hit in fuel economy with the wider footprint. I probably lost 0.5-1 MPG average but the improved ride and traction make up for it IMO.

[FSAD]

WE3ZS wrote:

FSAD wrote:
I think I might have not made myself clear? You are all telling me what I already KNOW (and way more than I asked).

I was simply looking for anyone who is towing with an E rated tire that only has a max of 65, and how it does towing the typical weights we tow.

That's all.

Just wondering how it tows.

That's all.

I fully understand what you are asking and why.
I tow heavy with my modified Excursion, we pull a 41' 11k TT with a tongue weight of 1450lbs and can see up to 6000lbs on the rear axle fully loaded, but usually a little less than that.
We had Goodyear Silent Armors in 265/75R16E (3415lbs @ 80 PSI) these factory stock sized tires performed very well for us running them at 80 PSI when loaded. I upgraded to 18" OEM rims and went to a set of Nitto Dura Grapplers in 305/70R18E (3750lbs @ 65 PSI) running at 65 PSI loaded. The performance under load from the new 65 PSI tires is every bit as good as the stockers, they feel as solid as could be with ZERO squishiness or squirm. I am extremely happy with these tires, they perform great, are the quietest truck tire I've ever run and they seem to be wearing very well. The larger lower pressure tires do not run any hotter than the high pressure tires, we use a TST 507RV TPMS system that reads both tire pressure and temperature. If anything the larger tires may actually run a few degrees cooler, but that is a tough call to be exact on as there are too many variable but it is safe to say that they don't run hotter as earlier stated. As long as your rims are wide enough for the larger lower pressure tires (I went from stock 7" wide rims to 8" wide 18"s) then you should be fine and may even gain a little tire load capacity like I did (+670lbs per axle).

GREAT! perfect, exactly what I was asking. thank you. anyone else have similar findings?

[jjj]

This may not help but I have a 02 Ford F-350 dually and rear tires according to my door sticker are ran at 60 psi on my rears I have Yokohama Geolander E rated tires that I have 20,000 miles on them right now and still have lots of tread left and almost 8 years old and I am going to have to change them out soon because of age. These tires have been great and hope they still sell them when I need to replace them.

[WE3ZS]

FSAD wrote:
I think I might have not made myself clear? You are all telling me what I already KNOW (and way more than I asked).

I was simply looking for anyone who is towing with an E rated tire that only has a max of 65, and how it does towing the typical weights we tow.

That's all.

Just wondering how it tows.

That's all.

I fully understand what you are asking and why.
I tow heavy with my modified Excursion, we pull a 41' 11k TT with a tongue weight of 1450lbs and can see up to 6000lbs on the rear axle fully loaded, but usually a little less than that.
We had Goodyear Silent Armors in 265/75R16E (3415lbs @ 80 PSI) these factory stock sized tires performed very well for us running them at 80 PSI when loaded. I upgraded to 18" OEM rims and went to a set of Nitto Dura Grapplers in 305/70R18E (3750lbs @ 65 PSI) running at 65 PSI loaded. The performance under load from the new 65 PSI tires is every bit as good as the stockers, they feel as solid as could be with ZERO squishiness or squirm. I am extremely happy with these tires, they perform great, are the quietest truck tire I've ever run and they seem to be wearing very well. The larger lower pressure tires do not run any hotter than the high pressure tires, we use a TST 507RV TPMS system that reads both tire pressure and temperature. If anything the larger tires may actually run a few degrees cooler, but that is a tough call to be exact on as there are too many variable but it is safe to say that they don't run hotter as earlier stated. As long as your rims are wide enough for the larger lower pressure tires (I went from stock 7" wide rims to 8" wide 18"s) then you should be fine and may even gain a little tire load capacity like I did (+670lbs per axle).