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You guys have a strange friendship...

I have skinny wheels to like 6.5 inch wide wheels.
My '95 K2500 has a 14FF swapped in and load range E tires, it normally has 30 PSI in the rear, being empty, and I still took a bunch of tread from the middle of the tires before I caught it. When I load it heavy, then 75 PSI.
 
You guys are whores, posting random stuff I. Here. There is a reason this is the most replied to thread on ck5... haha
 
I have never really played with air pressure much. What is the rule of thumb? I have always gone off the door stickers.

My reading has brought me to believe that you use the side wall as a guide. There's 2 numbers on the sidewall you want to look at. The psi and that is always at a specified weight. So if I pull some numbers out of the air, your tire says it's rated for 50 psi @ 2000lbs you have to look at your load and say... ok my truck is probably only putting 1000lbs on that tire - which is half that rated weight. So I'll start at 25psi as a baseline and see how it wears. Marking like Bent said earlier will fine tune it from there if you want to go further.

Temp does matter - check your psi cold.
 
My reading has brought me to believe that you use the side wall as a guide. There's 2 numbers on the sidewall you want to look at. The psi and that is always at a specified weight. So if I pull some numbers out of the air, your tire says it's rated for 50 psi @ 2000lbs you have to look at your load and say... ok my truck is probably only putting 1000lbs on that tire - which is half that rated weight. So I'll start at 25psi as a baseline and see how it wears. Marking like Bent said earlier will fine tune it from there if you want to go further.

Temp does matter - check your psi cold.
Last time I seriously it was 30 psi cold, I think im close.
 
In all seriousness, I would guess you'll be about right near 25psi in the rear and 30+/- in the fronts. Be careful getting much lower than that because it gets really easy to damage a wheel when your going fast and hit things.
 
In all seriousness, I would guess you'll be about right near 25psi in the rear and 30+/- in the fronts. Be careful getting much lower than that because it gets really easy to damage a wheel when your going fast and hit things.
Sounds like I need to drop a few psi and play with it more.....





Yes that's a opening for you again.
 
So the noise I have been hearing is the tcase, it was low on fluid. I hope I didn't hurt the bearings....
 
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