What PSI Should I Put in my Tires?
 

I was wondering what the highest pressure is I can safely run in my tires. I'm starting a job with a long commute and I'd like the best possible mileage. I've been running them at 30psi so far. Here's what it says on my tire:

https://blazerforum.com/forum/attach...ine=1367963771

Also, my spare tire has the same specs. How much pressure should be in it while its in storage? Thanks!

34ish. maybe 36. i run 34. decent mileage.

32-35 seems about right. If you are including your spare when rotating your tires, keep it the same as the rest, otherwise 50, as they usually get neglected as lose air slowly over time.

You can put a line of chalk across your tire, drive on it for a couple miles, and see where it wears the chalk off. Chalk worn off in the middle of the face of the tire means pressure is too high, and too low if its worn off toward the sides of the tire.

I generally try to keep mine at about 40psi on the street, the ride is not to bad and I seem to get the best mileage there.

the ones I have on my truck are 35 max, I run them at 32

With a max psi of 50 you can safely run them at 50 but you will wear the centers out of the tires unless you haul a lot of weight around with you daily. It would also ride like a tank but the mileage would be better.

IMO you would be best off running them between 34 and 40 psi. See what works best for you. I usually like to run a few pounds more in the front than the back to account for the engine weight. Try 36 in the fronts and 34 in the rear to start. To me 30 psi is too low for a 50 psi max tire.

IMO, since they are 50, I would run them around 40

mine are the same (50psi) and i have been running them at 45 when i am loaded down for a trip. otherwise i run them about 38-40.

You are doing it right. I am running mind at 32, they are 35 max. Its good for these. have been like that since I got them, and they are wearing perfectly.

I run mine at 40 . BFG but I air the up using the drift thru method, that is . Right now I have one tire that looses about 4 pounds a wheek the others 4 pounds a month. The one that looses all the air gets pumped up to 43 pounds and when I air up that one tire is about 5 pounds lower than the others.