Suggested Tire Pressure - F & B - 6MT.net Infiniti G35/G37/GTR Forums
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post #1 of 21 Old 05-28-2004, 02:16 AM Thread Starter
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Default Suggested Tire Pressure - F & B

What is the suggested tire pressure for the front and back tires? I've gone through the manual, and have never actually seen a recommended number. I've asked two different service guys, and they don't know.

Anyone have a definitive and safe recommendation for the 17" tires?

Thanks
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post #2 of 21 Old 05-28-2004, 02:19 AM
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32psi
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post #3 of 21 Old 05-28-2004, 08:18 AM
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Most vehicles place the recommended tire pressure on a sticker that is usually located inside the driver side door jam, underneath center console lid compartment or in glove box. This sticker should give you tire size as well. I have the Accu-Pressure Safety Caps on both of my vehicles that helps keep an eye on things for me. The on board G tire pressure sensor is neat to have for a slow leak notice.

http://www.accupressurecaps.com/?sou...ressure%20caps

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post #4 of 21 Old 05-28-2004, 08:31 AM
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Great info Hotfoot!!!
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post #5 of 21 Old 05-28-2004, 08:52 AM
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On the road, 30-32. I use 36-42 when autocrossing, but not for normal driving.

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post #6 of 21 Old 05-28-2004, 03:08 PM
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I read my manual when I got the car and I think the manual said 35psi...don't go by the sidewall info...trust the manual.
I've been running 30 all around for the past few weeks.

Why higher pressure for autocrossing? Better handling? I would guess grip would go down with increased pressure? Interesting.

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post #7 of 21 Old 05-28-2004, 03:13 PM
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Yeah, the size of your contact patch goes down, but sidewall strength increases, which gives much better grip. You also reduce the risk of folding the sidewall under you during a hard corner.

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post #8 of 21 Old 05-28-2004, 03:22 PM
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I suppose once the tire rolls off the rim grip goes to hell! Good idea to keep the rubber under the car

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post #9 of 21 Old 05-28-2004, 03:24 PM
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Yeah, for some reason you never get good grip with your rims.

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post #10 of 21 Old 05-28-2004, 03:41 PM
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<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Nasty

I read my manual when I got the car and I think the manual said 35psi...don't go by the sidewall info...trust the manual.

<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

Why not trust the sidewall info?[dunno]

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post #11 of 21 Old 05-28-2004, 03:47 PM
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The sidewall gives max tire pressure not a mfg recomended pressure.

http://www.tirerack.com/tires/Spec.j...el=Pilot+Sport

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post #12 of 21 Old 05-28-2004, 03:48 PM Thread Starter
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Thanks for the info guys. The sidewall says 30/30 for F/B tires.

I checked the wonderful manual, and all I could find was a warning regarding maximum tire pressure, which said "Don't exceed it!"

Where did someone see 35 psi?
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post #13 of 21 Old 05-28-2004, 06:13 PM
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The Pilot tire sidewalls say max inflation of 51 psi, at least that's what mine say. The 2004 manual has on page 9-8 table which lists the tire pressure for the Mich's @ 35 front and rear, again that't what mine says. So there's my comment "go by the manual not the sidewall". I think the 30/30 you are looking at on the sidewall is max for setting the tire bead, then again I may be wrong but I doubt it.



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post #14 of 21 Old 05-28-2004, 06:36 PM
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Open the drivers door and the little sticker on the car tells you what the tire pressue should be and it is 35psi front and back

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post #15 of 21 Old 05-29-2004, 05:43 AM
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When it said 35psi on manual, it means it based on driving at hot temperature.
You should measure the pressure in the morning when the temp is not hot and it should maintain between 32 and 33psi. When the temperature goes up, normally pressure increases up to 3psi. Therefore, make sure it is not exceeded no more
than 33psi at cold temperature measurement. Otherwise, you may encounter possible flat tire at hot temperature. This is my 2 cents.
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