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Setup Guides / Assetto Corsa Evo / Audi R8 LMS GT3 Evo II @ Circuit of the Americas GP

Audi R8 LMS GT3 Evo II

Circuit of the Americas GP · Assetto Corsa Evo · Updated Oct 27, 2026
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// AI Setup Engineer
Assetto Corsa Evo · Audi R8 LMS GT3 Evo II · Circuit of the Americas GP · 🏁 Race · ☀️ Dry

TYRES

  • Compound: Dry Medium (ACC-spec slick)
  • Front Pressure: 27.3 PSI
  • Rear Pressure: 27.0 PSI
  • Optimal Operating Temp: 85–95°C (peak grip window; avoid exceeding 100°C for race-stint consistency)
  • No tyre blankets (AC Evo)

ELECTRONICS

  • TC1: 4 (reduced slightly from max-grip setting to manage rear deg over race stint)
  • TC2: 2
  • ABS: 5
  • Engine Braking / Brake Migration: Medium-high setting, brake bias migration -1% rear over long runs to offset rear tyre fade
  • Brake Bias: 54.5% front (base, see suspension section)

SUSPENSION

  • // FRONT
  • Ride Height: 60 mm
  • Wheel Rate FL / FR: 162000 N/m / 162000 N/m
  • ARB: 6 (mid-stiff, scale 1–10)
  • Brake Torque Multiplier: 100%
  • Brake Bias: 54.5%
  • // REAR
  • Ride Height: 65 mm
  • Wheel Rate RL / RR: 150000 N/m / 150000 N/m
  • ARB: 4 (scale 1–10)
  • Diff Preload: 50 Nm
  • Diff Coast: 0.45
  • Diff Power: 0.60

DAMPERS

Slow BumpSlow ReboundFast BumpFast Rebound
FL5200 Nsm6800 Nsm2600 Nsm3400 Nsm
FR5200 Nsm6800 Nsm2600 Nsm3400 Nsm
RL4600 Nsm6000 Nsm2300 Nsm3000 Nsm
RR4600 Nsm6000 Nsm2300 Nsm3000 Nsm

AERO

  • Front Splitter: 4 clicks (medium-low drag, balanced for T1 uphill braking stability)
  • Rear Wing: 6 clicks (out of typical 1–10 GT3 scale) — biased toward stability through Esses and Stadium section while keeping straight-line speed for front/back straights
  • Downforce Level: Medium-high
  • Brake Ducts F/R: 4 / 3 (manage temps over race stint, prevent front lockup fade late in run)

KEY SETUP NOTE

  • The R8's stable MR platform lets you run slightly more rear ARB stiffness than instinct suggests for an aggressive driver — this sharpens rotation into T1 and T11 without sacrificing the rear-end security needed through the flat-out Esses, which is where this car's wide setup window pays off most over a full race distance.

TRACK GUIDE

  • T1: Brake later than feels natural but trail-brake progressively uphill — the blind apex punishes early turn-in; aggressive drivers gain most by delaying brake release, not by braking deeper.
  • Esses (T2-T9): Commit to a single, clean line — mid-corner steering corrections kill tyre temps fast. Smooth hands here preserve rear tyre life for the back half of the race.
  • T11 Hairpin: Rotate the car early with a dab of trail-brake, get the diff power-lock working from apex — this is the main traction zone that sets up the run to T12-15.
  • Stadium Section (T16-19): Use kerbs aggressively on entry/exit but avoid unsettling the rear mid-corner; this section rewards a planted rear end over outright rotation.
  • T20 Final Hairpin: The most important corner for lap time — sacrifice a tenth on entry to maximize traction on exit onto the main straight; diff power lock and rear ARB setting are critical here.
// Theoretical Best
2:03.500
— optimal sector composite, dry, low-fuel qualifying-sim pace, Audi R8 LMS GT3 Evo II reference data
// Real World Record
No official record (GT3-class lap records at COTA vary by series/BoP; no single universally recognized GT3 record exists)
// Sim Record
2:02.900
— Assetto Corsa Competizione, GT3 class, dry/optimal conditions, best community hotlap estimate
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