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02-16-2019, 11:36 PM
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#1 |
   
Drives: ZL1 1LE A10 Join Date: Mar 2015
Location: CA
Posts: 1,093
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Tire pressure for MPS4S on ZL1 1LE ?
So I just got my MPS4S' installed today.
DEFINITELY grips better in the cold! I'd love to hear from others (especially ZL1 1LE owners) with these tires, what tire pressure have you found to be best all-around ? Dealership filled them to 32 cold, and warm they reached 34 psi. With other cars/tires I've typically aimed for about 29 cold and end up with 31 warm (or with nitrogen-gas, 31/31). My goal is to achieve max grip, not worried about ride comfort, but all input/experience is valuable and welcome. Thanks!
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Current: 2019 ZL1 1LE A10 Mods: MPS4s Tires | Borla Atak | CF Steering Wheel Previous: 2018 ZL1 1LE M6 | 2017 Z06 Z07 M7 | 2017 GS A8 | 2015 ZL1 M6 | 2013 GT500 |
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02-17-2019, 12:52 AM
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#2 |
 Drives: 2018 Hyper Blue ZL1 1LE Join Date: Dec 2018
Location: CA
Posts: 1,360
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I'm running MPS4S and start at 32 cold, 34-35 hot and grip seems great. 29 cold is more of an R comp starting point in my experience, with a car this weight.
Hitting Malibu canyons on these MPS4S for first time tomorrow, I may experiment with 30-31 lbs start |
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02-17-2019, 05:51 AM
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#3 | |
     
Drives: 2016 Challenger Hellcat, 2018 ZL1LE Join Date: Dec 2009
Location: Northern NJ
Posts: 3,003
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Quote:
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2016 Challenger Hellcat /B5 blue/Sepia interior/Brass Monkey Wheels/
2018 ZL1 1LE/Red hot 2019 Shellby GT 350R/ Oxford white/ Matte Black Stripes/ Carbon Fiber Dash/ Electronics Package #413 |
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02-17-2019, 06:37 AM
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#4 |
 
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,808
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32 psi cold sounds optimal for street driving. If you were tracking, you would start lower.
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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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02-17-2019, 10:44 AM
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#5 |
 Drives: 911SC Join Date: Aug 2018
Location: DFW
Posts: 62
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Someone on here posted 38 hot for track is optimal. Can’t find that thread now.
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02-17-2019, 06:11 PM
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#6 |
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Oh Oh it's Friday Night!
Drives: 2018 ZL1 1LE Nightfall Gray Join Date: Jan 2018
Location: Walton Woods
Posts: 1,061
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32 cold seems to work best for me.
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2018 Camaro ZL1 1LE NFG; ARH 2” headers, catless mids, ARH full exhaust, Lingenfelter 18% lower pulley, ATI Harmonic Balancer, Roto-fab CAI, EE-catch can, TM ported TB, NX Lid, BMR strut tower brace. Aeroforce dual pod interceptor gauges. Tuned by Vengeance Racing!!! 644 HP @ 6250 rpm / 689 trq @ 3660 rpm
Four that wanna own me Two that wanna stone me One says she's a friend of mine... |
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02-17-2019, 06:52 PM
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#7 |
 
Drives: ZL1 1LE Join Date: Oct 2018
Location: NYC (almost)
Posts: 339
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Ditto on the 32 cold
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02-17-2019, 07:36 PM
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#8 | |
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Drives: ZL1 1LE A10 Join Date: Mar 2015
Location: CA
Posts: 1,093
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Quote:
But given that the R3s take forever to warm up, I'm feeling a lot safer in these.
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Current: 2019 ZL1 1LE A10 Mods: MPS4s Tires | Borla Atak | CF Steering Wheel Previous: 2018 ZL1 1LE M6 | 2017 Z06 Z07 M7 | 2017 GS A8 | 2015 ZL1 M6 | 2013 GT500 |
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02-17-2019, 09:02 PM
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#9 |
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Lover of Speed
Drives: 2018 ZLE Join Date: Feb 2016
Location: Phoenix
Posts: 266
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34 hot is what I aim for when I am tracking on them and that is where I have gotten my best times.
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Killer Whale Racing
2021 One Lap of America Track Videos 2019 One Lap of America Track Videos 2017 One Lap of America Track Videos 2022 Ram TRX 2018 Camaro ZL1 1LE 2020 Range Rover Sport SVR (Sold) 2014 Grand Cherokee SRT (Sold) 2014 Camaro Z/28 (Sold) |
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02-18-2019, 08:17 AM
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#10 |
 Drives: 2019 ZL1 1LE Join Date: Jan 2019
Location: Pacific Northwest
Posts: 129
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Love these tires on ours too. We have about 300 miles on them so far, Discount Tire set them at/near 32 cold and they seem to hover around 34-36 during street driving.
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02-18-2019, 08:39 AM
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#11 | |
 Drives: 2017 ZL1 A10 Nightfall Gray Join Date: Jul 2017
Location: Fort Lauderdale
Posts: 236
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Quote:
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02-18-2019, 08:54 AM
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#12 |
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Who Needs to KNOW?
Drives: 18 ZLE Join Date: May 2018
Location: Left Side of the Moon
Posts: 1,770
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Low 30's cold, warms up to 35-37 "hot"
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 ing for grip.Are you in the NY/NJ/PA/CT region? Join us for autox fun at MetLife Stadium. HUGE lots, tons of runs. http://www.motorsportsne.com/ |
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02-18-2019, 08:59 AM
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#13 |
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Drives: Red hot ZL1 A10 2017 Join Date: Nov 2016
Location: MS Back to France (29)
Posts: 804
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31-32 cold - 35-37 warm
Daily drive my ZL1 (non 1LE, with MRC) PS4 are better grip and comfortable (non run flat) than the OEM good year! Way better with cold temp and rainy days!!!! I tracked the GY in January: they were good. First time for me, so I’d say the car was awesome not just the tires... I will track the PS4 in April, I’m sure they will be better grip... Door stickers says 32psi cold ;-) |
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02-18-2019, 08:54 PM
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#14 |
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Drives: Garnet Red / ZL1 1LE Join Date: Apr 2016
Location: Bel Air, MD
Posts: 488
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Any more feedback with the PS4 tires? Steering feel the same?
I am considering swapping the 3R tires to PS4's on the stock wheels. The 3R tires will be relegated to track only use. |
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