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Opel Adam R2 - Leczna County (Dry Dirt)

**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.

00'00"000

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GnaixLeeeee

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Alignment
(Front) Toe Angle-0.20 °
(Front) Camber Angle-2.00 °
(Rear) Toe Angle+0.20 °
(Rear) Camber Angle-1.50 °
Brakes
Braking Force2651 N-m
Brake Bias66 %
Differential
(Front) Viscous Differential36 kgf-m/100rpm
(Front) LSD Driving Lock28 %
(Front) LSD Braking Lock58.33 %
(Front) LSD Preloaddefault
(Centre) Viscous Differentialdefault
(Centre) Torque Biasdefault
(Centre) LSD Driving Lockdefault
(Centre) LSD Braking Lockdefault
(Centre) LSD Preloaddefault
(Rear) Viscous Differentialdefault
(Rear) LSD Driving Lockdefault
(Rear) LSD Braking Lockdefault
(Rear) LSD Preloaddefault
Gearing
1st Geardefault
2nd Geardefault
3rd Geardefault
4th Geardefault
5th Gear1.098
6th Geardefault
Final Drive0.175
Damping
(Front) Slow Bump+3
(Front) Fast Bump+3
(Front) Bump Zone Division0.84 mps
(Front) Slow Rebound+4
(Rear) Slow Bump+2
(Rear) Fast Bump+3
(Rear) Bump Zone Division0.84 mps
(Rear) Slow Rebound+3
Springs
(Front) Ride Height+10.00 mm
(Front) Spring Rate81.93 N/mm
(Front) Anti-Roll Bar13.71 N/mm
(Rear) Ride Height+10.00 mm
(Rear) Spring Rate61.17 N/mm
(Rear) Anti-Roll Bar18.67 N/mm
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**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.

GnaixLeeeee-

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