1986 Honda Civic Si Tune Guide
Forza Horizon 6 · D-class · FWD · 1955 lb · 91 hp · Verified stats
The 1986 Honda Civic Si is a D-class front-wheel-drive car in Forza Horizon 6. This page shows the optimal tune for every race category. Road, dirt, cross country, drag, drift, and top speed. Calculated from the car's real specs through a physics-based tune model. Copy any section into the game's Tuning menu and refine to feel.
Road Racing tune for the 1986 Honda Civic Si
Surface: Road
Tarmac circuits reward stiffer springs and lower ride height. For a D-class FWD build, expect ~2.1–2.3 Hz front / rear ride frequency, soft toe-out front for turn-in, and aero biased ~50% front / ~70% rear.
Tires
- Front pressure
- 30.0 psi
- Rear pressure
- 28.0 psi
Gearing
- Final drive
- 5.83
- 1st gear
- 3.00
- 2nd gear
- 2.12
- 3rd gear
- 1.50
- 4th gear
- 1.06
- 5th gear
- 0.75
Alignment
- Front camber
- -1.4°
- Rear camber
- -0.8°
- Front toe
- 0.0°
- Rear toe
- 0.0°
- Caster
- 6.0°
Anti-Roll Bars
- Front
- 20
- Rear
- 20
Springs
- Front rate
- 171 lb/in
- Rear rate
- 131 lb/in
- Front ride height
- 3.5 in
- Rear ride height
- 3.6 in
Dampers
- Rebound front
- 14
- Rebound rear
- 14
- Bump front
- 8
- Bump rear
- 8
Aero
- Front
- 75 lb
- Rear
- 108 lb
Brakes
- Balance
- 54% front
- Pressure
- 110%
Differential
- Front accel
- 26%
- Front decel
- 10%
Dirt Racing tune for the 1986 Honda Civic Si
Surface: Dirt
Hard-pack dirt drops spring rates and damper stiffness by half vs. road. Expect higher ride height (~5 in), more positive front camber (less than road, ~-1.5°), and zero aero (dirt removes downforce settings).
Tires
- Front pressure
- 26.0 psi
- Rear pressure
- 24.0 psi
Gearing
- Final drive
- 6.13
- 1st gear
- 3.40
- 2nd gear
- 2.40
- 3rd gear
- 1.70
- 4th gear
- 1.20
- 5th gear
- 0.85
Alignment
- Front camber
- -1.0°
- Rear camber
- -0.5°
- Front toe
- 0.1°
- Rear toe
- 0.2°
- Caster
- 5.5°
Anti-Roll Bars
- Front
- 8
- Rear
- 9
Springs
- Front rate
- 76 lb/in
- Rear rate
- 56 lb/in
- Front ride height
- 5.0 in
- Rear ride height
- 5.2 in
Dampers
- Rebound front
- 9
- Rebound rear
- 10
- Bump front
- 6
- Bump rear
- 6
Aero
- Front
- 0 lb
- Rear
- 0 lb
Brakes
- Balance
- 50% front
- Pressure
- 100%
Differential
- Front accel
- 26%
- Front decel
- 10%
Cross Country tune for the 1986 Honda Civic Si
Surface: CrossCountry
Mixed surfaces need the softest springs of all surfaces and the most ride height. Toe stays near 0° for stability over jumps. FWD cars want a tight rear diff to keep both wheels working when one leaves the ground.
Tires
- Front pressure
- 23.0 psi
- Rear pressure
- 21.0 psi
Gearing
- Final drive
- 6.13
- 1st gear
- 3.40
- 2nd gear
- 2.40
- 3rd gear
- 1.70
- 4th gear
- 1.20
- 5th gear
- 0.85
Alignment
- Front camber
- -0.5°
- Rear camber
- -0.3°
- Front toe
- 0.1°
- Rear toe
- 0.2°
- Caster
- 5.0°
Anti-Roll Bars
- Front
- 8
- Rear
- 9
Springs
- Front rate
- 35 lb/in
- Rear rate
- 25 lb/in
- Front ride height
- 6.0 in
- Rear ride height
- 6.2 in
Dampers
- Rebound front
- 7
- Rebound rear
- 7
- Bump front
- 5
- Bump rear
- 5
Aero
- Front
- 0 lb
- Rear
- 0 lb
Brakes
- Balance
- 50% front
- Pressure
- 95%
Differential
- Front accel
- 26%
- Front decel
- 10%
Drag tune for the 1986 Honda Civic Si
Surface: Drag
1/4-mile launches kill compression damping (front rises off the line) and want max grip out back. Drop rear pressure to ~25 psi, max rear diff accel for wheel sync, and remove all aero.
Tires
- Front pressure
- 29.0 psi
- Rear pressure
- 21.0 psi
Gearing
- Final drive
- 4.96
- 1st gear
- 2.70
- 2nd gear
- 1.81
- 3rd gear
- 1.22
- 4th gear
- 0.82
- 5th gear
- 0.55
Alignment
- Front camber
- -0.4°
- Rear camber
- -0.1°
- Front toe
- 0.0°
- Rear toe
- 0.0°
- Caster
- 5.0°
Anti-Roll Bars
- Front
- 12
- Rear
- 13
Springs
- Front rate
- 76 lb/in
- Rear rate
- 36 lb/in
- Front ride height
- 3.5 in
- Rear ride height
- 3.6 in
Dampers
- Rebound front
- 10
- Rebound rear
- 10
- Bump front
- 7
- Bump rear
- 7
Aero
- Front
- 0 lb
- Rear
- 0 lb
Brakes
- Balance
- 52% front
- Pressure
- 100%
Differential
- Front accel
- 26%
- Front decel
- 10%
Drift tune for the 1986 Honda Civic Si
Surface: Drift
Drift tunes are deliberately rear-unfriendly: high rear pressure (~38 psi) to break grip, max rear diff accel for sustained slides, low rear camber (~-1°). Caster jumps to ~6° for self-centering at angle.
Tires
- Front pressure
- 31.0 psi
- Rear pressure
- 29.0 psi
Gearing
- Final drive
- 6.42
- 1st gear
- 3.20
- 2nd gear
- 2.36
- 3rd gear
- 1.74
- 4th gear
- 1.29
- 5th gear
- 0.95
Alignment
- Front camber
- -3.8°
- Rear camber
- -1.0°
- Front toe
- -0.3°
- Rear toe
- 0.3°
- Caster
- 7.0°
Anti-Roll Bars
- Front
- 22
- Rear
- 12
Springs
- Front rate
- 283 lb/in
- Rear rate
- 89 lb/in
- Front ride height
- 4.0 in
- Rear ride height
- 4.2 in
Dampers
- Rebound front
- 17
- Rebound rear
- 17
- Bump front
- 7
- Bump rear
- 7
Aero
- Front
- 30 lb
- Rear
- 45 lb
Brakes
- Balance
- 47% front
- Pressure
- 115%
Differential
- Front accel
- 26%
- Front decel
- 10%
Top Speed tune for the 1986 Honda Civic Si
Surface: Road
Targeting maximum velocity. Gearing stretches with ~5% higher top speed than the class default, rear aero drops by half to cut drag, and ride height drops further to slip the air.
Tires
- Front pressure
- 30.0 psi
- Rear pressure
- 28.0 psi
Gearing
- Final drive
- 5.56
- 1st gear
- 3.00
- 2nd gear
- 2.12
- 3rd gear
- 1.50
- 4th gear
- 1.06
- 5th gear
- 0.75
Alignment
- Front camber
- -1.4°
- Rear camber
- -0.8°
- Front toe
- 0.0°
- Rear toe
- 0.0°
- Caster
- 6.0°
Anti-Roll Bars
- Front
- 20
- Rear
- 20
Springs
- Front rate
- 171 lb/in
- Rear rate
- 131 lb/in
- Front ride height
- 3.5 in
- Rear ride height
- 3.6 in
Dampers
- Rebound front
- 14
- Rebound rear
- 14
- Bump front
- 8
- Bump rear
- 8
Aero
- Front
- 75 lb
- Rear
- 108 lb
Brakes
- Balance
- 54% front
- Pressure
- 110%
Differential
- Front accel
- 26%
- Front decel
- 10%
1986 Honda Civic Si FAQ
What's the best Forza Horizon 6 tune for the 1986 Honda Civic Si?
For road racing in Forza Horizon 6, the 1986 Honda Civic Si (D-class FWD) wants 30.0 psi front / 28.0 psi rear tire pressure, 20 front / 20 rear anti-roll bars, and 171 lb/in front / 131 lb/in rear spring rates. The full tune for road, dirt, drag, drift, and other categories is calculated on this page.
What class is the 1986 Honda Civic Si in Forza Horizon 6?
The 1986 Honda Civic Si ships in D-class (low-PI cruiser tier. Slow but rewarding to drive at the limit). You can upgrade it into higher classes by adding engine, drivetrain, and aero upgrades that push its Performance Index up.
Is the 1986 Honda Civic Si FWD, RWD, or AWD?
The 1986 Honda Civic Si is FWD. front-wheel-drive. Biased toward understeer, rewards a soft rear ARB and trail-braking.
What surface is the 1986 Honda Civic Si best on?
As a FWD car the Civic Si is best on tight road circuits and dirt rally stages where its predictable front-bias rewards trail-braking.