Ford tire pressures?

[Fire5er]

As you can see by my sig I have a 2006 F-350 PSD and I am towing a 2007 3400RL. The sticker on the door of the truck indicates that the tire pressure is to be 65 psi front and 75 psi rear, but on the tire it indicates 80 psi max. What should the tire pressure be, 65 psi front and 75 psi rear, or 80 psi all around when towing?

Karl

[stiles watson]

Without justifying anything, let me state that I use 80 psi in the rear and 65 in the front when towing with my Ford.

[Carl n Susan]

What Stiles said......

Carl

[steves]

Recommend you leave the front always @ 65 #. You could go higher on the front tires if you feel it improves handling and/or ride but it is not required for towing. The backs when towing I recommend 80 # - the higher pressure will help keep your tires cooler and provide for better handling of the pin weight. When not towing you are safe to lower the rear air pressure to what you feel provides the best ride and handling. I use to lower the # in my rear tires when not towing but now I just leave the rear at 80 # all the time.

[ols1932]

Ditto Stiles.

Orv

[Bob Pasternak]

Karl: You can go this site, find your tire size and it will tell you how much pressure is required to haul how much weight.
http://www.goodyear.com/truck/pdf/da...dInflation.pdf

[Cyrus]

The sticker on the door of my 2005 F250 SRW 4 door short bed diesel says 75 lbs front and rear. This F250 has the max carrying capacity etc you could get on an F250 in 2005. I am still on the original tires which are BF Goodrich which say max pressure is 75 lbs. I keep 75 lbs in them all the time and can tell if they leak down less than 70 lbs in any tire of the four. You have to keep correcting to keep it straight on the road and it’s not fun to drive like this. I have not tried lowering all four below 75 lbs to see how it drives. Between bad valve stems in the camper and slow leaks in truck tires the air compressor became my friend weekly. All are fixed now thank goodness.

[skypilot]

Also agree with Stiles above - when towing keep at 75 to 80 - low tire pressure for the weight you are carrying is a recipe for excessive heat leading to the ultimate death of the tire; if you are running empty a lot, then lower the rears somewhat, this will help to keep from wearing the center of the tires out. Be sure to rotate your tires as well; My Ford used to wear the rears almost flat yet the front would have rounded edges from cornering. My Dodge, being a dually, I don't see that same wear pattern on the rears but the front still wear the edges because of the engine weight and cornering.

[sreigle]

I use the sticker pressures for the front tires and for the rears when not towing. But when towing I run the tires at their max psi rating of 80. My truck also says 75 for the rear.

This Dodge has two sets of tire pressures on the sticker. One is for "lightly loaded" and the other for "heavily loaded." I hope this is a new trend. By the way, it shows the same psi for the front tires, both light and heavy loads. For the rears it shows 75 heavily loaded and 45 lightly loaded.

[richfaa]

Same as Stiles..The truck has 23.5K miles on it probably 19K of that towing the 3400 anchor.The tread wear is even . I have tried lower and noticed no difference in ride or MPG..when towing..It is a bit rough when not towing but it is to difficult to change around tire pressure on a dually.

[Fire5er]

Thanks to all for your replies. Looks like I will continue to keep my tires at 80 psi like I have been doing, regardless of the door sticker. I do rotate the tires per the manual and check the pressures frequently, and prior to each tow. Thanks again.

Karl