無料セットアップガイド
Porsche 963 GTP
Virginia International Raceway - Full Course [5.260 Km]
iRacing
8月 18, 2026更新
// Hot Lap · Dry
TYRES
- Slick compound, Front 165 PSI, Rear 160 PSI (hot target ~180-185°F front, 190-195°F rear), cold set based on 24°C track — no tyre blankets (LMDh spec, self-generating pressures on formation lap)
ELECTRONICS
- TC: 4 (qualifying attack, allow slip for rotation), ABS: 6, Engine Brake Map: 3 (medium, stabilize rear on entry), Brake Bias: 54.5% front (cockpit adjustable, shift rearward slightly for max rotation)
SUSPENSION
- // FRONT
- Ride Height: 58 mm
- Wheel Rate FL / FR: 165000 N/m / 165000 N/m
- ARB: 280 N/m
- Brake Torque Multiplier: 100%
- Brake Bias: 54.5%
- // REAR
- Ride Height: 62 mm
- Wheel Rate RL / RR: 155000 N/m / 155000 N/m
- ARB: 220 N/m
- Diff Preload: 45 Nm
- Diff Coast: 0.45
- Diff Power: 0.60
DAMPERS
| Slow Bump | Slow Rebound | Fast Bump | Fast Rebound | |||||
|---|---|---|---|---|---|---|---|---|
| FL | 3800 Ns | m | 5200 Ns | m | 1800 Ns | m | 2600 Ns | m |
| FR | 3800 Ns | m | 5200 Ns | m | 1800 Ns | m | 2600 Ns | m |
| RL | 3200 Ns | m | 4600 Ns | m | 1600 Ns | m | 2300 Ns | m |
| RR | 3200 Ns | m | 4600 Ns | m | 1600 Ns | m | 2300 Ns | m |
AERO
- Front splitter: minimum clearance setting (2), Rear wing: 6° (qualifying low-drag trim for VIR's long straights), Downforce Level: Medium-Low, Brake ducts: Front 3 / Rear 2 (minimize drag, single lap heat build not a concern)
KEY SETUP NOTE
- VIR's uphill esses and Oak Tree/NASCAR bend punish a car that isn't rotating on entry — run slightly softer rear ARB and higher rear ride height than race trim to promote front bite through the fast direction changes, accepting straight-line stability sacrifice since it's a single banzai lap and drag reduction on the front straight/back straight matters more than long-run consistency.
TRACK GUIDE
- Turn 1 (Terrain): Late brake from ~180mph, trail brake deep to rotate the 963 on entry — the GTP's strong front aero allows later braking than GT3, don't lift mid-corner
- Esses (Turns 3-5): Momentum is everything — minimize steering correction, use full width of track, a smooth rhythm through the uphill-downhill sequence carries more speed than aggressive individual apex hits
- Oak Tree (Turn 7-8, NASCAR bend): Committed entry, use aggressive curbing on exit — the 963's long wheelbase handles curb strikes well, get back to power early for the run down the back straight
- Roller Coaster (Turns 10-12): Blind crest and compression sequence — trust the aero platform, stay full throttle over the top if setup allows, brake for Turn 13 only after the car settles from compression
- South Bend hairpin (Turn 14): This is the biggest overtaking/lap time zone — late braking into the tightest corner on track, rot
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