Porsche 911 (992) GT3 Cup — ABS & TC

TYRES

• Compound: Dry Slick (Cup spec)
• Front Pressure: 27.5 PSI (hot target 28.5–29.0 PSI)
• Rear Pressure: 27.0 PSI (hot target 28.0–28.5 PSI)
• No tyre blankets (AC Evo)
• Optimal operating temp: 85–95°C

ELECTRONICS

• TC: 4
• ABS: 5
• Engine Braking / Brake Magic: Medium (setting 3 of 5)
• Brake Bias: 58.5% front (adjustable -1% for race long-run as fuel burns off)

SUSPENSION

• // FRONT
• Ride Height: 60 mm
• Wheel Rate FL / FR: 118,000 N/m / 118,000 N/m
• ARB: 10 N/mm (mid-soft, position 4/10)
• Brake Torque Multiplier: 100%
• Brake Bias: 58.5%
• // REAR
• Ride Height: 65 mm
• Wheel Rate RL / RR: 128,000 N/m / 128,000 N/m
• ARB: 14 N/mm (position 7/10)
• Diff Preload: 40 Nm
• Diff Coast: 0.65
• Diff Power: 0.35

DAMPERS

AERO

• Front Splitter: 2 (fixed Cup spec, minimal adjustability)
• Rear Wing: 6 (of 8 — biased toward stability, COTA rewards rear planted through esses)
• Downforce Level: Medium-High
• Brake Ducts: F 2 / R 1 (manage temps, Cup tyre deg over race stint)

KEY SETUP NOTE

• The 911 Cup car's rear-engine weight bias makes T1's uphill entry and T11/T20 exits the lap-defining moments — run slightly higher rear ride height (65mm) and strong coast lock (0.65) to kill the pendulum snap on trail-braking into T1, while keeping power diff low (0.35) so you can get the power down early at T11 and T20 without lighting up the rears on exit.

TRACK GUIDE

• T1: Brake later than feels natural but in a straight line — trail-brake lightly only to rotate, the uphill camber hides the apex, be patient on throttle until the car is pointed, not before.
• T2-T9 Esses: Commit to a smooth, continuous arc — don't chase the apex, let the car flow with small steering inputs; mid-corner stability here is where the aggressive rear ARB pays off.
• T11 Hairpin: Brake deep, rotate hard on entry, then get on power progressively — this is the main traction zone feeding the back straight, don't overdrive the exit or you'll spin the rears with the low power lock.
• T16-T19 Stadium: Rhythm section — sacrifice a fraction of entry speed for a cleaner, more stable exit line; the crowd-pleasing esses punish snap oversteer badly.
• T20 Final Hairpin: The most important corner on track for lap time — late, straight-line braking, rotate quick, and prioritize exit traction onto the front straight over minimum apex speed.