what should my tire pressure be?
tires are hankook evo2 v12
245/35/19 275/35/19 they are set at 35psi all around right now. How many psi should they be? |
Between 15-75
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35 cold is just fine.
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Originally Posted by 818dbz
(Post 10584151)
tires are hankook evo2 v12
245/35/19 275/35/19 they are set at 35psi all around right now. How many psi should they be? |
I like 34-36 psi
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Look on your door jamb or owner's manual for correct inflation pressures.
However, running a little over is OK up to max inflation per the tire mfgr. and marked on sidewall. Deviating thoughts: I run 38-36 just out of habit on my '03 on Track 18s, stock sizes. The theory on pressure stagger is as old as the hills but running lower pressure on RWD vehicles is *generally* used to induce oversteer by allowing the rears to reach max slip angle first. BUT, all said and done, I have the chassis tuned and car runs a staggered tire/wheel sizing anyways so I don't really feel a lot of difference with 2# stagger in my Z33s nor Z34 and sometimes when I'm lazy to haul out the compressor, I'll just lower the fronts to match the rears as long as they stay above the minimums then air up before I head out for the hills. On my Niz, I run stock inflation rates because it works. Were I to track any of the cars, I'd be looking at probably 40psi all around. |
dddduuuuuuuuuuuuuuurrrrrrrrrr
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^^ The short answer is 35 psi. As Mic mentions, you can change drive and handling by altering psi in your tires; and do this depending upon how you use the car (track, street, etc.).
I’m looking for comfort, so I run Continental Extreme All Season DWA tires at 35 psi. I’m staggered at 245/40-18’ and 275/40-18”. If I increase psi slightly (4 psi), I get noticeable better handling (i.e., less understeer), but I lose ride comfort. |
Originally Posted by travlee
(Post 10587609)
dddduuuuuuuuuuuuuuurrrrrrrrrr
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i dont have that problem.... run flats
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There's a white sticker on the drivers door sill that says how much to inflates tires on the z For normal use. Now if you're autocross that's a different story.
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Originally Posted by Phenom
(Post 10587336)
I like 34-36 psi
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Originally Posted by travlee
(Post 10588456)
i dont have that problem.... run flats
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don't you put those words on me micvelo.......
but at the same time, my tires are about 2k for a full set. however i don't think i am going to get run flats next time, might actually get some here soon and put my current tires in storage |
I hate "run-flats."
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they are expensive and have worse performance.... but at the same time i don't have a spare.... risk i am willing to take, but need to add towing to my insurance before i ditch them
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Originally Posted by travlee
(Post 10588683)
they are expensive and have worse performance.... but at the same time i don't have a spare.... risk i am willing to take, but need to add towing to my insurance before i ditch them
But I'm covered.... when it rains, it pours. I regularly scour the ads for Z stuff.... usually zilch. Then this week, two sets of new (to me) wheels in the garage. Laff.... |
OE pressure would be fine as a starting point. Shouldn't drop below the oe pressure as the tires need at least that to support the cars weight properly. Also don't exceed the max psi mentioned on the tires sidewall. Anything in-between the oe recc by Nissan and the tires max is fine. Play with it in 3-5 lb increases until you get the handling/feel you're looking for. Cold psi setting btw.
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i do 28-34
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i run 38-40 for autox
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