Description Vehicle: Subaru WRX STI NR4 (R4) Track: Argolis, Greece Surface: Gravel (Dry / Stony) Driving Style: Aggressive & Explosive (High rear lock + preload, planted over crests, brutal corner exit) After extensive testing on the punishing Argolis stages, I've finalized this setup for the Subaru WRX STI NR4. Built for dry, stony Greek gravel with big elevation changes, this tune commits fully to a high-lock, high-preload differential philosophy: it plants the rear axle, lets you fire out of tight hairpins, and stays composed over the violent crests. The car feels raw yet controllable — predictable under braking, savage on exit.
NR4/R4
00'00"000
Tyres not specified
Created | Updated
| (Front) Toe Angle | -0.20 ° |
|---|---|
| (Front) Camber Angle | -1.50 ° |
| (Rear) Toe Angle | +0.40 ° |
| (Rear) Camber Angle | -1.13 ° |
| Braking Force | 3000 N-m |
|---|---|
| Brake Bias | 58 % |
| (Front) LSD Driving Lock | 32 % |
|---|---|
| (Front) LSD Braking Lock | 20 % |
| (Front) LSD Preload | 41.67 N-m |
| (Centre) LSD Driving Lock | 36 % |
| (Centre) LSD Braking Lock | 24 % |
| (Centre) LSD Preload | 25.00 N-m |
| (Rear) LSD Driving Lock | 40 % |
| (Rear) LSD Braking Lock | 28 % |
| (Rear) LSD Preload | 50.00 N-m |
| 1st Gear | 0.356 |
|---|---|
| 2nd Gear | 0.489 |
| 3rd Gear | 0.649 |
| 4th Gear | 0.807 |
| 5th Gear | 1.000 |
| Final Drive | 0.210 |
| (Front) Slow Bump | +3 |
|---|---|
| (Front) Fast Bump | +4 |
| (Front) Bump Zone Division | 0.72 mps |
| (Front) Slow Rebound | +3 |
| (Rear) Slow Bump | +3 |
| (Rear) Fast Bump | +4 |
| (Rear) Bump Zone Division | 0.72 mps |
| (Rear) Slow Rebound | +2 |
| (Front) Ride Height | 33.75 mm |
|---|---|
| (Front) Spring Rate | 60.57 N/mm |
| (Front) Anti-Roll Bar | 7.88 N/mm |
| (Rear) Ride Height | 33.75 mm |
| (Rear) Spring Rate | 56.77 N/mm |
| (Rear) Anti-Roll Bar | 6.00 N/mm |
Key Characteristics 1. Alignment: A Rear Toe-in of +0.40° acts as a geometric stabilizer. It keeps the tail planted during high-speed lift-off over the Greek jumps without killing the car's ability to pivot in tight hairpins. Front Toe -0.20° sharpens turn-in; camber sits at -1.50° front / -1.12° rear for loose-surface bite. 2. Differential: The Rear LSD Driving Lock is maxed at 40% with Rear Preload at 50.00 N-m — this is the heart of the setup. Paired with Front Preload 41.67 N-m, it drives power hard into the gripping wheel and makes the rear end obedient the moment you breathe on the throttle. Centre is pinned at its 36% cap (NR4 limit). 3. Suspension & Damping: Both Ride Heights are maxed at 33.75 mm to keep the belly clear of Greek rocks and stop bottoming on landings. Softer springs (60.57 front / 56.77 rear) soak up the chop, while a firmer Rear Anti-Roll Bar (6.00) keeps the axle tied down. Damping runs Fast Bump +4 / Slow Bump +3 with a 0.72 mps bump-zone split for big-event compliance. 4. Brakes: A 58% front bias lets you trail-brake aggressively to rotate the nose in, on a stable 3000 N-m braking force. 5. Gearing: Long low gears (1st 0.356 → 3rd 0.650) keep the engine buried in the power band through the technical sections — exactly what a bumpy, low-speed Greek stage demands. Final Drive 0.210. Best For Drivers who want a rear-driven, exit-hungry car that still survives the rough stuff. If you like rotating with the throttle and firing out of corners, this is your tune. Pro-Tip The high rear lock means the car wants throttle early. If the tail ever feels light on a fast crest, keep a dab of throttle (load the driveline) instead of lifting — this setup rewards smooth, committed momentum driving.
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