Tire pressure recommendation

[AirReg]

I would appreciate any recommendations for the tire pressure on my tow vehicle. I have 2009 Suburban 2500 and a 2014 International Serenity 28 with a ProPride hitch. My normal tire pressure specification is 50 in the front and 60 in the back. The maximum PSI is 80.

Thanks

[AWCHIEF]

I raise my normal tire pressures 3 or 4 lbs when towing. Seems to cut down on the sidewall deflection.

[Alphonse]

Cipher up your total vehicle weight with occupants, cargo, and tongue weight. Find a load chart for your tires and pump them up to necessary pressure for the load. Go with some contingency, better safe than sorry. You've got a 3/4 ton truck chassis and have the luxury of adequate cargo capacity for a trailer that could hang 1100 pounds or more of tongue weight on it.

[cwf]

I put my tires at the max sidewall pressure. It makes it more stable (less sidewall flex/tracking) when towing and running solo. It does ride a bit rougher... but, constant changing of pressure in all tires is just too much hassle... as I tow as far as I run solo...

Now, if you only tow sporadically, then only max the pressure when towing.

[slowmover]

Originally Posted by cwf

I put my tires at the max sidewall pressure. It makes it more stable (less sidewall flex/tracking) when towing and running solo. It does ride a bit rougher... but, constant changing of pressure in all tires is just too much hassle... as I tow as far as I run solo...

Now, if you only tow sporadically, then only max the pressure when towing.

A 120V compressor with a tank makes it easy before setting out. I only have ten tires to check, and you, twelve.

But max pressure on TV tires means max according to drivers door placard.

[cwf]

Originally Posted by slowmover

A 120V compressor with a tank makes it easy before setting out. I only have ten tires to check, and you, twelve.

But max pressure on TV tires means max according to drivers door placard.

Agreed! My tires meet manufac specs.. Better tires do not compensate for overloaded frame, suspension or axle capacity.

So, if someone installs tires which can inflate to 100PSI, mount them on wheels which are designed and built for 50PSI, mount on a truck that has been overloaded beyond axle design limits, that is not wise and may even be foolish...

[jcanavera]

With heavy load in the van along with almost 1,300 lbs of hitch weight from my Classic I use GM's recommendations for my 3/4 ton van. Those are 55 psi front and 80 psi rear when you are carrying maximum load. Your door sticker should have the recommendations if you are carrying a heavy load.

Jack