**Vehicle:** Opel Adam R2 (R2 · FWD) **Track:** Leczna County, Poland **Surface:** Dirt / Smooth Asphalt (Narrow Fast Dirt + Short Asphalt Sections) **Driving Style:** Balanced & Precise (Great braking, acceleration, and turn-in) After extensive testing across multiple stages on the demanding Polish forest roads of Leczna County, I've finalized this setup for the Opel Adam R2. Built for a mix of narrow fast dirt and short smooth asphalt sections, this tune focuses on keeping the lightweight FWD car settled through high-speed undulations while maintaining sharp, confidence-inspiring turn-in. The front-wheel-drive layout means all differential torque goes through a single front LSD — tuned here to maximize exit traction on loose surfaces. The result is a planted yet agile package that feels precise in the hands and easy to place through tight tree-lined corners.
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| (Front) Toe Angle | -0.20 ° |
|---|---|
| (Front) Camber Angle | -2.00 ° |
| (Rear) Toe Angle | +0.20 ° |
| (Rear) Camber Angle | -1.50 ° |
| Braking Force | 2651 N-m |
|---|---|
| Brake Bias | 66 % |
| (Front) Viscous Differential | 36 kgf-m/100rpm |
|---|---|
| (Front) LSD Driving Lock | 28 % |
| (Front) LSD Braking Lock | 58.33 % |
| (Front) LSD Preload | default |
| (Centre) Viscous Differential | default |
| (Centre) Torque Bias | default |
| (Centre) LSD Driving Lock | default |
| (Centre) LSD Braking Lock | default |
| (Centre) LSD Preload | default |
| (Rear) Viscous Differential | default |
| (Rear) LSD Driving Lock | default |
| (Rear) LSD Braking Lock | default |
| (Rear) LSD Preload | default |
| 1st Gear | default |
|---|---|
| 2nd Gear | default |
| 3rd Gear | default |
| 4th Gear | default |
| 5th Gear | 1.098 |
| 6th Gear | default |
| Final Drive | 0.175 |
| (Front) Slow Bump | +3 |
|---|---|
| (Front) Fast Bump | +3 |
| (Front) Bump Zone Division | 0.84 mps |
| (Front) Slow Rebound | +4 |
| (Rear) Slow Bump | +2 |
| (Rear) Fast Bump | +3 |
| (Rear) Bump Zone Division | 0.84 mps |
| (Rear) Slow Rebound | +3 |
| (Front) Ride Height | +10.00 mm |
|---|---|
| (Front) Spring Rate | 81.93 N/mm |
| (Front) Anti-Roll Bar | 13.71 N/mm |
| (Rear) Ride Height | +10.00 mm |
| (Rear) Spring Rate | 61.17 N/mm |
| (Rear) Anti-Roll Bar | 18.67 N/mm |
**Key Characteristics:** 1. **Alignment:** A slight Front Toe-out of -0.20° combined with aggressive Front Camber at -2.00° delivers crisp turn-in response — essential for a FWD car that relies on front-end grip. Rear Toe sits at a gentle +0.20° for stability at speed, with -1.50° rear camber keeping the back axle planted through corners. 2. **Brakes:** A 66% front bias (down from the stock 74%) allows for aggressive trail-braking to rotate the car into corners, backed by a braking force of 2,651 N-m tuned for dry dirt conditions. 3. **Differential (Front LSD only — FWD):** The Driving Lock is maxed at 36% (the Adam's upper limit) to push maximum traction to the front wheels on exit. Preload sits at a moderate 58.33 N-m for responsive but predictable power delivery. 4. **Suspension & Damping:** Ride Height is raised to the Adam's maximum of +10.00 mm on both axles — critical for Poland's jump-heavy stages to prevent bottoming out. Damping is firm and balanced: Front Slow/Fast Bump +3/+3 with Bump Zone Division at 0.84 mps and Slow Rebound +4; Rear +2/+3/0.84/+3. The stiffer rear Anti-Roll Bar (18.67 N/mm vs front 13.71 N/mm) keeps the light rear end planted through fast transitions — a proven R2-class configuration. 5. **Springs:** Front Spring Rate softened slightly to 81.93 N/mm for better dirt compliance, while the rear is firmed to 61.17 N/mm for body control. The hard front ARB (13.71 N/mm) aids turn-in response on this FWD platform. 6. **Gearing:** Gears 1st–4th remain at stock ratios for punchy acceleration out of tight corners. 5th Gear is set to 1.098 (up from 1.000 stock), pushing top speed from 179 km/h to approximately 197 km/h on the long straights — without sacrificing low-end acceleration. Final Drive at 0.175 gives a balanced overall spread. 7. **Best For:** Drivers wanting a predictable, confidence-inspiring FWD package that stays stable over bumps and jumps while offering sharp, precise turn-in. Ideal for the flowing yet technical Leczna County stages with their narrow tree-lined roads and mixed surface sections. 8. **Pro-Tip:** This car loves momentum-based driving. On the asphalt sections, the car will feel "lazy" — anticipate your inputs early and carry speed through rather than trying to force rotation. If you ever feel the rear getting light during high-speed lift-off over crests, keep a sliver of throttle applied to maintain drivetrain load. The raised ride height (+10 mm max) is non-negotiable here — Poland's jumps will punish anything lower.
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