PSI on tires - what do you run?

[gtnator]

Why can’t you answer?
CRAZY simple question.




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You’ve been waiting, panicked, searching for me, hanging in every minute to see if I’ll come back. LOL, you follow me everywhere like a pathetic lost dog. Get a life.


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[carymccarr]

You’ve been waiting, panicked, searching for me, hanging in every minute to see if I’ll come back. LOL, you follow me everywhere like a pathetic lost dog. Get a life.


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You’re posting what psi you run at. Why wont you say on what vehicle?

 

[riphip]

I run E rated tires at 45 psi

 

[gtnator]

You’re posting what psi you run at. Why wont you say on what vehicle?

Lol, you’re addicted to dancing for me. Dance monkey.


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[carymccarr]

Lol, you’re addicted to dancing for me. Dance monkey.


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Yep. I’ll be here, always. Not waiting. But ready. LOL!!!

Why can’t you answer btw?

 

[gtnator]

Yep. I’ll be here, always. Not waiting. But ready. LOL!!!

Why can’t you answer btw?

But you are waiting for me, following me around, trolling, and posting every time you see me. Like sick paparazzi, obsessed. Where you unloved as a child?


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[TobyU]

Fine to run 40, 42 or 44 whatever you like best....BUT let's make sure we specify that this is ONLY with tires that say max 44 (or higher) on the side.
NEVER put over 35 psi cold in a tire that says max inflation 35psi.

 

[RichardH]

Fine to run 40, 42 or 44 whatever you like best....BUT let's make sure we specify that this is ONLY with tires that say max 44 (or higher) on the side.
NEVER put over 35 psi cold in a tire that says max inflation 35psi.

Very true. I always check PSI and inflate when tires are cold/have not been driven - usually overnight. That does not happen often (inflating every week if needed...), but have a cordless 120PSI air comp that both checks the PSI, inflates and stops when it gets to the PSI I specify. Very nice to have.

My tires do list 44 PSI as max. As mentioned I check once a week, along with fluid check. All seems well.

edit - meant to say thanks for the feedback. And side note, when I was a starving college student, I lived on used tires for my '85 Nissan Maxima, and drove the heck out of it.

Always new tires now when due....

 

[TobyU]

Very true. I always check PSI and inflate when tires are cold/have not been driven - usually overnight. That does not happen often (inflating every week...), but have a cordless 120PSI air comp that both checks the PSI, inflates and stops when it gets to the PSI I specify. Very nice to have.

My tires do list 44 PSI as max. As mentioned I check once a week, along with fluid check. All seems well.

edit - meant to say thanks for the feedback. And side note, when I was a starving college student, I lived on used tires for my '85 Nissan Maxima, and drove the heck out of it.

Always new tires now when due....

I don't check the air pressure in my tires 4 months. I might check them every 6 to 9 months but normally just when it gets cold because they always drop a couple of pounds or more. Newer good condition tires shouldn't be leaking any air and you shouldn't have to check them that often.
I know it's better to be safe than sorry but still well actually I don't usually believe in that theory but if one gets too low it's going to be obvious and you should notice it as you glance at them walking towards your vehicle.
No reason a person should have to add any air to tires any more often than every 3 months and even that's a little excessive.

 

[Diverdown]

Fine to run 40, 42 or 44 whatever you like best....BUT let's make sure we specify that this is ONLY with tires that say max 44 (or higher) on the side.
NEVER put over 35 psi cold in a tire that says max inflation 35psi.

Exactly


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[Donald Bell]

I have A/T 285s on mine rates for 51psi and I run the max psi and the ride is wonderful not rough or anything!

 

[RichardH]

I have A/T 285s on mine rates for 51psi and I run the max psi and the ride is wonderful not rough or anything!

View attachment 35757

View attachment 35758

Great looking expy.

Thanks for the feedback.

 

[Peter Brown]

Sweet

 

[Trainmaster]

I've tried different pressures. Now I keep it at the recommended pressure Ford says. Higher pressures work much better on the highways, but Metro New York roads are horrible. Higher pressures on the potholes rattle everything and beat the hell out of the front end.

 

[TobyU]

I've tried different pressures. Now I keep it at the recommended pressure Ford says. Higher pressures work much better on the highways, but Metro New York roads are horrible. Higher pressures on the potholes rattle everything and beat the hell out of the front end.

I have also found that higher pressures will definitely make you feel it in your kidneys. Lol
I had one guy who ran load range E tires who said his rode best at at 80 but I have found anything over 72 even with the heavy loaded vehicles rides worse.

I just hate to see when someone puts load range D or E tires or even LT or extra load tire on a vehicle that might not have come from the factory with it that is rated for 51 lb all the way up to 80 for the load range E and they put 32 or 35 lb in them. They are always squatty and low. This sucks your fuel mileage and puts more wear and tear on your tie rods etc because of increased steering pressure to turn them. The happy medium is probably somewhere a little above that but definitely not up to 65 or 80 unless you're carrying heavy loads.

 

[Aspen03]

I have no idea how people drive around with tires inflated like a basketball. I was in a rental the other day that for some reason was sitting at 42-43 psi on a 2018 Nissan Murano. It rode like absolute shit. I'd have stopped and dealt with it but was running behind as it was. Sure it got 32mpg on the hwy but I was literally sore from the drive after only couple hours.

It's amazing what a couple psi difference can make. Play around and see what you like. Every tire is different in how it responds at a given pressure as well as individuals personal taste in driving.

When I was in the tire shop last night a guy rolled in w a loaded 2018 F250, definitely not a tow vehicle, had 22''s and got some new Open Country AT tires and was like pump em up to 80, that's where it's at. No way this thing has ever seen anything other than pavement and didnt even have a ball on the hitch. I couldn't imagine how horrible the ride and road noise now is on a $65k vehicle.

 

[RichardH]

I have no idea how people drive around with tires inflated like a basketball. I was in a rental the other day that for some reason was sitting at 42-43 psi on a 2018 Nissan Murano. It rode like absolute shit. I'd have stopped and dealt with it but was running behind as it was. Sure it got 32mpg on the hwy but I was literally sore from the drive after only couple hours.

It's amazing what a couple psi difference can make. Play around and see what you like. Every tire is different in how it responds at a given pressure as well as individuals personal taste in driving.

When I was in the tire shop last night a guy rolled in w a loaded 2018 F250, definitely not a tow vehicle, had 22''s and got some new Open Country AT tires and was like pump em up to 80, that's where it's at. No way this thing has ever seen anything other than pavement and didnt even have a ball on the hitch. I couldn't imagine how horrible the ride and road noise now is on a $65k vehicle.

I bumped mine to 42F 40R a few minutes ago. I'll give it a rip tomorrow to see how it goes and intentionally drive on a poor road in my area.

I recall my Maxima in the 90's was much more sensitive to PSI with PSI front high and rear lower due to obvious reasons (FWD).

Lol, might have to add some more redneck engineering and add a wrap of electrical tape on driver's side doors to prevent rattle - we'll see. Quick, dirty fix - but it works but new door strike is not high on the priority list. Only have to cut off and re wrap tomorrow after my drive depending...

 

[Jb14]

Stock tires ran max PSI F&R had consistent wear and more controlled ride

Stock 17 Wheels with 33" Toyo AT 40F 38R (Max was 65 PSI) 65 was too rough and did not shit well ran through different combination until settled on what was best for me and truck

Aftermarket 17" Method wheel with 35" Toyo RT 40F 38R. I have been running these for 3 years around 55k mile still even with life left.

Rotate every 5k miles

 

[RichardH]

Edit/Update: Today I took my first longer mileage trip - 80 miles RT. I believe the increase in PSI bumped my mpg avg up.

Since it was 95% freeway, I decided to reset the mpg avg. Wasn't really paying attn to it until on the way home. I ended up with 22.6 mpg. Not bad, and rides nice with the 42F/40R psi. Re: mpg, my area is relatively flat but used to get on fwy between 17 - 20 mpg. Can't believe it made a difference. Also did not repair, replace or change any parts with the old mpg vs new mpg.

 

[TobyU]

Edit/Update: Today I took my first longer mileage trip - 80 miles RT. I believe the increase in PSI bumped my mpg avg up.

Since it was 95% freeway, I decided to reset the mpg avg. Wasn't really paying attn to it until on the way home. I ended up with 22.6 mpg. Not bad, and rides nice with the 42F/40R psi. Re: mpg, my area is relatively flat but used to get on fwy between 17 - 20 mpg. Can't believe it made a difference. Also did not repair, replace or change any parts with the old mpg vs new mpg.

Lots of things can affect gas mileage including temperature and even where the gas was purchased and different batches of gas from the same station but it is amazing sometimes how much a few pounds lower on the tires can suck the fuel mileage down. However, people will still argue and want to put very low inflation pressures due to the placards inside the door.

I don't give a whole lot of credit to the manufacturer's recommendation even with the tires that came from the factory on the vehicle but once you remove those particular tires then all recommendations really go out the window.

To me, it is much more logical and important to take the tire maker's recommendation then it is a manufacturer of the vehicle.
I just can't imagine a tire that has a rated maximum pressure of 51 pounds or greater printed on the sidewall being run and only 35 PSI.
For me, I even find that 35 PSI in a tire rated for 44 Max is too low. I much prefer 42-42 in those.

You still need to keep an eye on the mill because if you are running a few pounds higher than optimal , you might get better fuel mileage, but you will notice increase wear on the center of the tires so that means you are slightly over inflated.