The 1970 Honda S800 in Forza Horizon 6 is a D class car that we’re going to upgrade and tune for circuit racing against other D400 cars. Find the build details down below.

The S800 is a RWD car with front engine with 70 horsepower, it comes at D134 PI which leaves us 266 PI to add upgrade parts and tune it for better handling at circuit turns.
Table of Contents
S800 Upgrade Parts List
+Engine:
- Intake: Race
- Oil / Cooling: Street
- Flywheel: Race
+Platform and Handling:
- Brakes: Race
- Spring: Rally
- Roll cage: Race
- Weight Reduction: Race
+Drivetrain:
- Clutch: Race
- Driveline: Race
- Differential: Race
+Tires and Rims:
- Tire Compound: Vintage Race Tire
- Front Tire: 165mm
- Rear Tire: 165mm
- Rim Style: Any -13lb rim
+Aero and Appearance:
- Front Bumper: Aero
- Rear Bumper: Aero
S800 Tuning List
+Tire Pressure:
- Front: 27.0 PSI
- Rear: 26.5 PSI
Softens these narrow 165mm tires slightly to give you maximum grip in corners.
+Alignment:
Camber:
- Front: -1.8°
- Rear: -1.2°
- Toe:
- Front: 0.1° (Out)
- Rear: 0.0°
Front Caster:
- Angle: 6.2°
Gives you sharp steering response and keeps the tires flat on the road during hard cornering.
+Springs:
- Front: 130.0 LB/IN
- Rear: 155.0 LB/IN
Ride Height:
- Front: 8.8 IN
- Rear: 9.2 IN
Using soft rally springs stops this extremely light car from bouncing on curbs and keeps the tires glued to the track.
+Damping:
Rebound Stiffness:
- Front: 10.5
- Rear: 10.0
Bump Stiffness:
- Front: 2.5
- Rear: 2.2
Smoothly absorbs bumps on the track so the car doesn't bounce and lose traction.
+Aero:
- Front: 88 LB
- Rear: 150 LB
Keeps the nose pointing into corners and stabilizes the rear without slowing down your low-horsepower engine.
+Brake:
- Braking Force Balance: 48%
- Braking Force Pressure: 120%
Helps the car turn while braking hard, resulting in shorter stopping distances.
+Differential:
- Rear Acceleration: 60%
- Rear Deceleration: 15%
Puts power down smoothly out of turns without spinning the tires, and keeps the tail steady when you let off the gas.
S800 Tune Code Share in Fh6

If you like our tune and want our exact build, put this code in: Tune Browser > Search > Share Code > and input our share code.
Here is the default stats vs after using our upgrade and tune:
- Weight: 1,565 lb > 1,371 lb
- Peak Power: 70 hp > 83 hp
- PWR: 0.04 hp/lb > 0.06 hp/lb
- Lateral Gs: 1.0 > 1.7
- Performance Class: D134 > D400
Overall, we build this S800 by focusing on reducing weight, better tires so we can make this low horsepower car handle better through circuit turns without the fear of spinning out.
End of Guide.
