Best tire PSI?

ShotgunZ71 · December 30, 2015

Good point, Cowpie. I wonder if 55 front and 55 back will give the extra weight up front some help and also keep the TPMS from going off. Might try that, too.

Adamrg · December 30, 2015

yeah, I would reverse that and have 55 up front with 50 in back. All the weight is up front when empty. While I generally keep things the same PSI all around (50-55), with a heavier Dmax, having a little more PSI up front compared to back is probably a good thing.

That's where I'm at, and it seems pretty good. my guage says 50 for the rear, the tpms has read it anywhere from 52-48psi on different days. still at 52psi, low tire light comes on. I plan on finding a dealer willing to look past the curtains a little and lower the threshold. The couple I've called have no idea what I'm talking about, mostly tell me they can relearn the sensors.

At 55 psi, it hasn't flagged the fronts.

ShotgunZ71 · January 1, 2016

I've since taken the camper out, so I've got them at the recommended 60 and 75. May just drop rears to 60 when we get back and see how that is. My camper is close to 9000 lbs and 36' long, so I figured stock pressures would be best.

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Cowpie · January 1, 2016

I would agree with that. If one takes a look at the OEM recommended pressures in the door jam, they also list that as being the pressures at the max axle rating. So it stands to reason, that if one is not loading the axles to that level, there is no real need to run those pressures. With a load on the pickup, sure, air them up to what they should be for the load. Then when running around empty, or even lightly loaded, drop the pressures and smooth out the ride. And that is really where it is at in this discussion... use some common sense. The OEM's are so two dimensional on so many levels. They only take worse case scenarios and try to shoe horn everyone into that mold. Look at how confusing folks get over simple things now like picking the right motor oil, imagine how it would be if the OEM was laying out load / pressure tables on tires! The heavy commercial trucks, it is a given that folks take the time to learn and adjust accordingly, but then, it is a different ball game.

What one can do is get the actual axles weights on a scale when empty (full of fuel) and see how the difference is in comparison to what is on the door jam. That can help in deciding proper tire pressures.

Sixstroke · January 19, 2016

You people and your low profiles. Haha

I've got the 17's (because work truck: towing and hauling daily) and mine are aired to 75psi. At times it's a little rough, but I've gotten used to it.

SouthpawHD · January 19, 2016

I aired mine down to 55 psi and notice a slight improvement. However, it's so friggen cold here that everything is frozen, so not sure anything other than warm weather would make much of a difference.

ShotgunZ71 · January 20, 2016

I've settled on 60 psi all the way around, and it seems to be a good setpoint. Smoother ride unloaded and no TPMS messages.

mjoekingz28 · January 20, 2016

Southpaw,

I read on some construction equipment (think backhoe, offroad dumptruck) owner's manual, or it could have been a tire manual- anyway the point was that at extreme lows (like 10 degrees and lower) you actually need to add extra psi to the tire.

This, in addition the need to add a psi for every ten degree drop.....this is in addition to. Dont take my word for it, search around and I suggest never exceeding the max sidewall pressure.

SouthpawHD · January 21, 2016

Southpaw,

I read on some construction equipment (think backhoe, offroad dumptruck) owner's manual, or it could have been a tire manual- anyway the point was that at extreme lows (like 10 degrees and lower) you actually need to add extra psi to the tire.

This, in addition the need to add a psi for every ten degree drop.....this is in addition to. Dont take my word for it, search around and I suggest never exceeding the max sidewall pressure.

It's too cold to put more air in ?

avalonandl · April 22, 2019

Bringing this back= had 50 all around and rode MUCH better- TPMS arghhhh

going to 53 front 55 rear

jerseytaylor · April 22, 2019

I am at just about the exact same 50 all around and with Bilstein 5100s. MUCH better !

avalonandl · April 22, 2019

2 hours ago, jerseytaylor said:

I am at just about the exact same 50 all around and with Bilstein 5100s. MUCH better !

I have Bilsteins on the rear. Waiting for better weather to put them on the front, which appears to have arrived in Michigan...FINALLY

jerseytaylor · April 22, 2019

45 minutes ago, avalonandl said:

I have Bilsteins on the rear. Waiting for better weather to put them on the front, which appears to have arrived in Michigan...FINALLY

nice man. Same here in NJ too. The fronts were much easier to do than the rears. Not that the rears were tough by any means, but the front bolts are much more accessible and easier to reach.