Quote:
Originally Posted by IMCWORTH
I found this on page 270 Owners Manual
High Speed Operation Inflation Pressures
Tire Size Cold Inflation Pressure kPa (psi)
245/40ZR20 (95Y) 280 kPa (41 psi)
275/35ZR20 (98Y) 280 kPa (41 psi)
285/30ZR20 (95Y) 300 kPa (44 psi)
305/30ZR20 (99Y) 300 kPa (44 psi)
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As per the same manual, "high speed operation" means 100 mph or above sustained, ie multi-mile top speed runs lasting several minutes.
People wouldn't use these crazy high cold pressures even on a road course, but hopefully they will chime in and confirm.
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq
Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods
JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune
1100 - 1/30/18 | 2000 - 1/31/18
3000 - 2/06/18 TPW 2/26/18
3400 - 2/19/18 | 3800 - 2/26/18
4300 - 2/27/18 | 4B00 - 3/01/18
4200 - 3/05/18 | 4800 - 3/14/18
5000 - 3/16/18 | 6000 - 3/19/18