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07-12-2012, 12:15 PM
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#1 |
        
Drives: 2014 ZL1m6 red hot #569 Join Date: Dec 2009
Location: florida
Posts: 2,422
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ZL-1 tire pressure wheres yours at?
Just curious where everyone is keeping their tires inflated too. Mine came with 30 in the rear and 29 on the front. The manual says put 44 lbs if you gonna go over 100mph and the tire says 51 max psi. I just raised them all to 38 psi cold
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07-12-2012, 12:23 PM
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#2 |
  
Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009
Location: Mich
Posts: 4,483
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Your everyday pressure will be on the door label. The high pressure (44) is only for high speed/racing.
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07-12-2012, 12:26 PM
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#3 |
 
Drives: 2012 ZL1 - #670 Join Date: Jun 2009
Location: Seminole, Fl.
Posts: 8,009
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32 here
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07-12-2012, 12:45 PM
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#4 |
 
Drives: 2012 ZL1 Victory Red !!!!!!! Join Date: Nov 2010
Location: MI
Posts: 322
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35 here cold i use the onstar app on my iphone to monitor my tire pressures warm
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ZL1 Current Status:6000 #1251
1000 Initial Order 11/28/2011 - 1100 Order accepted at dealer: 11/28/2011 - QBDTB8 2000 Order accepted by GM: 04/23/2012 2500 Order preferenced. Pulled to the production system 4/24/2012 3000 Accepted By Production Control: 04/25/2012 - TPW 05/07/2011 3100 Sequenced: 05/03/2012 3300 Scheduled For Production:5/4/2012 3400 Broadcast: 5/5/2012 3800 Produced: 5/11/2012 4B00 Available To Ship car is bayed: 5/13/2012 4200 Shipped: 5/30/2012 5000 Delivered To The Dealer: 6/5/2012 6000 Delivered To Customer: 6/6/2012 |
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07-12-2012, 12:52 PM
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#5 |
Drives: 12 ZL1 & 08 Suzuki Boulevard C50 Join Date: Oct 2011
Location: Ocean Shores, WA
Posts: 406
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37 psi cold, nitrogen
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2012 ZL1 - #413 - IOM - Mods; Exhaust Commander. GMG Third Brake Light Pulsar, Tinted Windows, color matched Engine cover, ZL1 Floor Mats
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07-12-2012, 01:22 PM
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#6 |
Drives: 2017 ZL1 Status "Thank You!" Join Date: Feb 2009
Location: SC
Posts: 2,498
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From Factory got this:
33 32 35 37 Fixed them all to 32 Cold. When hot go to 35. |
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07-12-2012, 02:26 PM
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#7 |
 
Drives: 2012 ZL-1 #1442 Join Date: Apr 2012
Location: Phila. Pa
Posts: 201
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32 cold and they go up to 35 on the highway. I have never seen anything below 31 yet and if I did I would be looking at the tires very closely
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07-12-2012, 02:29 PM
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#8 |
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Dry Heat My @ss
Drives: 2012 ZL1 SUMMIT WHITE Join Date: Mar 2012
Location: Chandler, Arizona
Posts: 758
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32 all around
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07-12-2012, 02:30 PM
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#9 |
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Aerospace Machinist
Drives: 2012 Victory Red ZL1 w/ ECF Join Date: Nov 2011
Location: Red Oak,Texas
Posts: 67
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Everyday driving I run 32
At the strip I have tried 32 and then 27, 27 hooked up better. First time at the autocross I tried 40 and it was too much, it would not hook up. The second time at the autocross I set it at 30 and it was a lot better. There are triangles near the edge of the tire that are wear references. Under heavy side loads the tire will roll under, you will see scuffing start to approach the triangles, if the scuffing starts to wear away the triangles you need to add more pressure.
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07-12-2012, 08:25 PM
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#10 | |
Drives: 2012 ZL1 #1448 Join Date: May 2009
Location: WNY
Posts: 892
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Quote:
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2012 ZL1 SIM, MN6, B92, RTQ
ZL1 - the true definition of joy ride |
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07-12-2012, 08:38 PM
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#11 |
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SoCalRaceTeam new-b!
Drives: 2012 ZL1/WHITE/BLACK STRIPE Join Date: Apr 2011
Location: norwalk ca
Posts: 2,021
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32
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4B00- 2/16/12 vin 284 my build thread http://www.camaro5.com/forums/showthread.php?t=224028
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07-12-2012, 08:47 PM
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#12 |
 
Drives: 2012 ZL1 GLJ MG9 WBP RTQ Join Date: Nov 2011
Location: Texas
Posts: 77
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Why does the owners manual say set the pressure to 44 for high speed use and the ZL1 owners video says different. It says set the pressure to 28 front and rear when cold. Then hot pressure for the front is 38 and for the rear is 37 for high speed use?
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07-12-2012, 08:47 PM
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#13 |
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Drives: Camaro's, always have, always will. Join Date: Oct 2010
Location: Home of the brave
Posts: 4,851
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It's suppossed to be 32 PSI as on the door jamb decal. Correct me if I am wrong.
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In Scott We Trust...all others must show proof.
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07-13-2012, 07:28 AM
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#14 | |
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corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Quote:
I don't know why the video would differ from the manual, but delaying the onset of standing waves in the tread and maintaining tire load capacity are likely involved in the increased pressures . . . tire rated load capacity actually does drop off at very high speeds - Linky. Norm |
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