LT Tires Towing PSI

[gunafulltime]

What do you use to determine your tire pressure for towing?

[Jagiven]

If you know your weights you can look at the load charts for a good starting point.

I played around with a few pressures before settling on +10 on the rears and +5 in front, over factory recommended P rated tires.

I think I started with 10 over all around. Noted my option on ride and handling. On the way home I changed the rears to +15. Over a few trips I tried a few different pressures. Think the most I went up was +15, and as low as +5.

[Woodworker]

I keep my rear tires at max 70lbs an front at 60lbs at all times. Ram 2500 4x4

[mrmom]

I tow with a Chevy Suburban and have found that it tows best when I pump up the rear tires to 44 psi (max for these tires) and just leave the fronts at the recommended pressure. Increased pressure in rears helps with sidewall flex.

[TWP723]

I'm at max psi. all the way around.

[RedHorse1]

Are the LT tires on your TV or TT? Our 5th has G’yesr G614 tires which are LT, I inflate them to 110psi.

[billcf7]

Originally Posted by RedHorse1

Are the LT tires on your TV or TT? Our 5th has G’yesr G614 tires which are LT, I inflate them to 110psi.

G114 tires are LT or trailer tires, LHT not just LT

[RedHorse1]

Originally Posted by billcf7

G114 tires are LT or trailer tires, LHT not just LT

I think LT is “light truck” and ST is “special trailer”.

[Jagiven]

LT = Light Truck
LHT = Long Haul Truck
ST = Special Trailer

LT and LHTs can be used on a trailer, but their load rating is not the same as on a TV.

[Ttlanders]

Most of the time when hauling or pulling a load, you want max recommended air in the rear to help keep the sidewalls of radials from rolling to the side so bad.

[CAG]

This question creates a brain freeze. I said it before. Rather than trying calculate every time you plan to take a trip, inflate to either what is recommended on the plate on your RV, and yes there is one, or to what the sidewall on the tire says.



I suspect that the "what tire pressure" threads take up 100 T of disk space on this site. Oh, and you can find them with the search feature at the top of the page.

[gunafulltime]

With our old tires, I went with max load 44 psi, but these are heavier tires, 10 ply 80 psi max. I will use the Michelin load/psi chart. Thanks y'all. I was just curious.

Sorry to frustrate some of you. I hope you feel better soon!

[billcf7]

Originally Posted by RedHorse1

I think LT is “light truck” and ST is “special trailer”.

Your G114 tires are not LT tires

[RedHorse1]

Originally Posted by billcf7

your g114 tires are not lt tires

g614

[billcf7]

Yes I meant G614

[muckinfuss]

What's wrong with using the tire manufacturer's load charts? Doing anything else is reinventing the wheel. (see what I did there)

[thenne1713]

If your weights are UNDER Max Rated, should be zero problems running per MFR Door label?

[Hollander Mutthaulers]

Considering handling, tire fatigue, and comfort -
Michelin LTX A/T on Tahoe with 3,500# trailer: 35# front, 40# rear

This works for me but there certainly is a continuum of optimal inflation

[gymracer]

Because I run heavy and fast (speed limit) I set tires at max for the tire cold. I use tires that are load range heavier than OEM for vehicle. Also keep fresh tires as in 3-4 years max

[Kdernst3]

I bought a set of tire minders and was shocked to see my drives go up 10 pounds while on the road. My steers climbed 5 pounds. I am at just shy of 20k total and feel starting the steers at 55 and the drives at 65 works well considering the pressure change on the road. The trailer start at 55 and usually climb to low 60's. The minder system saved me not to long ago when a valve stem split. I had enough notice and info to get off the highway and to a tire shop. Hope this helps