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| GRIS | TIRE PRESSURE | ||
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Elite Guru
 
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ON MY '96, TIRES ARE NITTO NT SSS EXTREMO, P275/40 ZR17 98W FRONT; P315/36 ZR17 102W REAR. CORVETTE SPEC BOOK GIVES 35PSI FOR STOCK TIRES, NO PRESSURE LISTED FOR GS SIZE. OWNERS MAN ONLY SAYS 35PSI FOR SUSTAINED HI-SPEED DRIVING. CAR DOOR SAYS 30PSI. ACCORDING TO CODE CAR CAME WITH RUN FLAT TIRES ORIGINALLY. SO WHAT SHOULD I BE RUNNING? |
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Posted on: 2014/2/18 15:20
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| Ultraman | Re: TIRE PRESSURE | ||
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2015 Memorial Day Car Show Winner!
 
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I will guess......30 psi 35 seems a bit high to me....at 30 when they warm up it will be 33 or so and at 35 would be up at 37 psi or more on a warm day....others will know for sure.
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Posted on: 2014/2/18 15:42
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| jonszr1 | Re: TIRE PRESSURE | ||
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Senior Guru
 
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I run 30 psi on both my zr1s. I have cked after running on the freeway for a 100 miles and the pressure is 34 psi . running at 35 cold makes the tires feel like you are running fred flinstone tires . bricks
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Posted on: 2014/2/18 15:53
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i have a blast playing with my 4 babies 2 zr1s and 2 mustangs 68 coupe with a jon bennit 408 art car fully rollered c4 with a gearvendors over drive .88 mustang built by my kids with a ported lt5 and a bill boudreau blue printed zf 6 spd. with these 4 ... |
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| EngineDoctor | Re: TIRE PRESSURE | ||
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Master Guru
 
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30, I would say follow the plackard on the car door or door jamb
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Posted on: 2014/2/19 4:10
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| BillH | Re: TIRE PRESSURE | ||
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The Stig Moderator
 
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First, the temp rise from cold to hot depends on the amount of water vapor in the air you are using - drain your compressor
 Asphalt temps and where you're driving (spirited back road vs highway) also make a difference. Low cold pressures will actually make the tire run hotter after they warm up. And, on some tires, 30psi will make the car wander on the road bumps. Run what's on the door sticker. If you decide to run on a race track - run what's on the door sticker. I run 35 on the 92 at all times including the track. Yes, they do feel better after they warm up. The only way to really get it correct is to take tire temps, hot. |
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Posted on: 2014/2/19 15:58
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| jonszr1 | Re: TIRE PRESSURE | ||
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Senior Guru
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ok I am busted went over and drained my compressor and out came a small river. guess ineed to pay more atten to that thanx for reminding me . @61 I have advanced C.R.S.
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Posted on: 2014/2/19 20:05
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| BrianCunningham | Re: TIRE PRESSURE | ||
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Senior Guru
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Like the other said, depends on the driving.
5psi can really change the way the car handles/rides Compressor: Interesting, is there a way of draining a small portable compressor? |
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Posted on: 2014/2/19 21:26
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| BillH | Re: TIRE PRESSURE | ||
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The Stig Moderator
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Quote:
Remove the hose fitting. |
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Posted on: 2014/2/20 2:43
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