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05-15-2014, 08:07 PM
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#1 |
 
Drives: 2014 ZL-1 Join Date: Feb 2014
Location: In front of a computer.
Posts: 228
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Best pressure for 20" MT DRII...?
I'm going to run the MT DR2s on a 20x11. What is the best tire pressure...cold...hot?
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05-15-2014, 09:11 PM
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#2 |
      Drives: none Join Date: Aug 2011
Location: DFW area
Posts: 1,844
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Dead hooked a 1.61 last weekend with no wheelspin, datalog verified. 20psi cold.
Might try lower tomorrow night. |
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05-16-2014, 06:51 AM
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#3 |
    
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,824
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when you are at the track you are never going to be at a true "cold" pressure unless the car has set for hours. Start with 19-20psi and adjust in 1 psi increments if you have problems with traction. 30-32 psi on the street is fine. Don't run the tires 19-20 on the street.
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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06-03-2014, 01:58 PM
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#4 |
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Drives: none Join Date: Aug 2011
Location: DFW area
Posts: 1,844
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Just wanted to bump this after lots of experimenting the last few weeks.
Anything lower than 19-20psi and you can feel the rear of the car "bounce", which usually means tire pressure is too low. Car dead hooks at 20psi. |
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06-03-2014, 07:28 PM
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#5 |
Drives: 2013 ZL1 Join Date: Mar 2013
Location: Oklahoma
Posts: 2,326
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Well I was told 18-20.Seems you got it pegged.So were did you try that out at? Share some times with us please.
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