Forza Horizon 5 Tuning Guide
Part 4 - Off-road Tuning
This part explains how to setup cars to work good for dirt or cross country racing.
Basically this works by altering general tunes as described in Part 2 to work better in off-road scenarios.
Generally speaking dirt tunes require a softer and more understeer setup while cross country tunes require a stiffer more oversteer setup.
Tires
Dirt and Cross Country tunes generally require lower tire pressures that provide more grip on the bumpier dirt and cross-country tracks.
Dirt tunes require higher tire pressures than Cross Country tunes as dirt tracks offer more grip than Cross Country tracks. They also require a slight understeer setup to stabilize the car on corner entry.
Cross Country tunes on the other hand require lowest tire pressures and a slight oversteer setup to improve rotating.
For dirt tunes reduce tire pressure as determined for road tunes in part 2 by 3.5 psi. To achieve a slight understeer setup decrease front tire pressure by 0.5 psi and increase rear tire pressure by 0.5 psi.
For cross country tunes increase tire pressure as determined for road tunes in part 2 by 5.5 psi. To achieve a slight oversteer setup increase front tire pressure by 0.5 psi and decrease rear tire pressure by 0.5 psi.
Front Tire Pressure Rear Tire Pressure
Dirt -3.5 - 0.5 -3.5 + 0.5
Cross Country -5.5 + 0.5 -5.5 - 0.5
Example: Car with general tire pressures 31.5/31.5
Tire pressures for Dirt Tune:
Front Tire Pressure: 31.5 - 3.5 - 0.5 = 27.5
Rear Tire Pressure: 31.5 -3.5 + 0.5 = 28.5
Tire pressures for Cross Country Tune:
Front Tire Pressure: 31.5 - 5.5 + 0.5 = 26.5
Rear Tire Pressure: 31.5 - 5.5 - 0.5 = 25.5
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt drag chassis require lower front tire pressure while off-road, road and drift chassis require higher rear tire pressure. For Cross Country drag chassis require higher rear tire pressure while off-road, road and drift chassis require lower front tire pressure.
Dirt
Chassis Front Tire Pressure Offset Rear Tire Pressure Offset
Drag -0.5 0.0
Offroad1 0.0 +0.5
Rally1 0.0 +0.5
Road 0.0 +1.0
Drift 0.0 +1.0
Cross Country
Chassis Front Tire Pressure Offset Rear Tire Pressure Offset
Drag 0.0 +0.5
Off-road1 -0.5 0.0
Rally1 -0.5 0.0
Road -1.0 0.0
Drift -1.0 0.0
1 only for road cars or rally / off-road cars with stock road tires
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional tire tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune the tires accordingly.
Chassis Reinf. Front Tire Pressure Offset Rear Tire Pressure Offset
Stock 0.0 0.0
Street +0.5 -0.5
Sport +1.0 -1.0
Race +1.5 -1.5
Heavy Cars
Cars with a weight that exceeds 5000 lbs for Dirt or 6000 lb for Cross Country need increased tire pressure to compensate for high weight affecting tire contact patch size. For Dirt for each 2000 lb increase over 3000 lb an 5 psi tire pressure increase is required for best handling. For Cross Country For each 3000 lb increase over 3000 lb an 5 psi tire pressure increase is required for best handling.
Extreme heavy cars that exceed 8000 lbs are equipped with special tires, here car weight simply needs to be halved before doing the above calculations.
Dirt Cross Country
Weight Tire Pressure Offset Tire Pressure Offset
5000-5999 +5.0 0.0
6000-6999 +5.0 +5.0
7000-7999 +10.0 +5.0
-----------------------------------------------------------------------------------------
8000-9999 0.0 0.0
10000-11999 +5.0 0.0
12000-13999 +5.0 +5.0
14000-15999 +10.0 +5.0
Light Cars
Light weight cars with a weight under 3000 lbs for Dirt or 4000 lb for Cross Country need decreased tire pressure to compensate for low weight affecting tire contact patch size. For Dirt for each 1000 lb decrease over 4000 lb an 5 psi tire pressure decrease is required for best handling. For Cross Country for each 2000 lb decrease over 6000 lb an 5 psi tire pressure decrease is required for best handling.
Dirt Cross Country
Weight Tire Pressure Offset Tire Pressure Offset
3000-3999 0.0 -5.0
2000-2999 -5.0 -5.0
1000-1999 -10.0 -10.0
0-999 -15.0 -10.0
Alignment
Dirt tunes require a more conservative, slight understeer alignment that helps stabilizing the car during cornering. In contrast cross country tunes require a more aggressive, slight oversteer alignment for improved cornering.
For dirt tunes increase front and rear camber by 0.1, decrease front toe by 0.1, increase rear by 0.1 and increase front caster by 0.1 to achieve a more conservative and understeer setup.
For cross country tunes reduce front and rear camber by 0.1, increase front toe by 0.1, decrease rear by 0.1 and decrease front caster by 0.1 to achieve a more aggressive and oversteer setup.
Camber Front Toe Rear Toe Caster
Dirt +0.1 -0.1 +0.1 +0.1
Cross Country -0.1 +0.1 -0.1 -0.1
Example: Car with general alignment settings: -2.0/-1.5/0.0/0.0/5.0
Alignment for Dirt Tune:
Front Camber: -2.0 + 0.1 = -1.9
Rear Camber: -1.5 + 0.1 = -1.4
Front Toe = 0.0 - 0.1 = -0.1
Rear Toe = 0.0 + 0.1 = 0.1
Caster = 5.0 + 0.1 = 5.1
Alignment for Cross Country Tune:
Front Camber: -2.0 - 0.1 = -2.1
Rear Camber: -1.5 - 0.1 = -1.6
Front Toe = 0.0 + 0.1 = 0.1
Rear Toe = 0.0 - 0.1 = -0.1
Caster = 5.0 - 0.1 = 4.9
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
RoadR
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt drag chassis require lower front camber and caster while off-road, road and drift chassis require higher rear camber and caster. For Cross Country drag chassis require higher rear camber and caster while off-road, road and drift chassis require lower front camber and caster.
Dirt
Chassis Front Camber Offset Rear Camber Offset Caster Offset
Drag +0.5 0.0 -0.5
Off-road1 0.0 -0.5 +0.5
Rally1 0.0 -0.5 +0.5
Road 0.0 -1.0 +1.0
Drift 0.0 -1.0 +1.0
Cross Country
Chassis Front Camber Offset Rear Camber Offset Caster Offset
Drag 0.0 -0.5 +0.5
Off-road1 +0.5 0.0 -0.5
Rally1 +0.5 0.0 -0.5
Road +1.0 0.0 -1.0
Drift +1.0 0.0 -1.0
1 only for road cars or rally / off-road cars with stock road tires
Cars with Race Suspension
Cars with race suspension require additional alignment adjustment for off-road racing. Generally race suspension requires higher camber and caster for best performance on road.
Front Camber Offset Rear Camber Offset Caster Offset
-1.0 -0.5 +1.0
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes require additional camber and caster adjustment to account for higher forces on the chassis while cornering. For dirt tunes camber must be increased and caster reduced while for cross country tunes camber need to be decreased and caster need to be increased.
Camber Offset Caster Offset
Dirt +1.0 -1.0
Cross Country -1.0 +1.0
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional alignment tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune the alignment accordingly.
Chassis Reinf. Camber Offset Front Toe Offset Rear Toe Offset Caster Offset
Stock 0.0 0.0 0.0 0.0
Street -0.1 +0.1 -0.1 -0.1
Sport -0.2 +0.2 -0.2 -0.2
Race -0.3 +0.3 -0.3 -0.3
Anti-roll Bars
Dirt tunes require a slightly stiffer, more understeer ARB setup that helps stabilizing the car during cornering and reduce body roll. Cross country tunes require a softer, more overststeer ARB setup that improves cornering,
For dirt tunes first increase ARBs by 0.1 to slightly stiffen the ARBs as compared to road tunes. Then for achieving a slight understeer increase front ARB by 0.1 and decrease rear ARB by 0.1.
For cross country tunes first decrease ARBs by 0.1 to slightly soften the ARBs as compared to road tunes. Then for achieving a slight oversteer decrease front ARB by 0.1 and increase rear ARB by 0.1.
Front ARB Rear ARB
Dirt +0.1 + 0.1 +0.1 - 0.1
Cross Country -0.1 - 0.1 -0.1 + 0.1
Example: Car with general ARB settings: 20.5/19.5
ARBs for Dirt Tune:
Front ARB: 20.5 + 0.1 + 0.1 = 20.7
Rear ARB: 19.5 + 0.1 - 0.1 = 19.5
ARBs for Cross Country Tune:
Front ARB: 20.5 - 0.1 - 0.1 = 20.3
Rear ARB: 19.5 - 0.1 + 0.1 = 19.5
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt drag chassis require higher front ARB stiffness and lower rear ARB stiffness while off-road, road and drift chassis require lower front ARB stiffness and higher rear ARB stiffness. For Cross Country drag chassis require lower front ARB stiffness and higher rear ARB stiffness while off-road, road and drift chassis require higher front ARB stiffness and lower rear ARB stiffness.
Dirt
Chassis Front ARB Stiffness Offset Rear ARB Stiffness Offset
Drag +12% -12%
Off-road1 -12% +12%
Rally1 -12% +12%
Road -24% +24%
Drift -24% +24%
Cross Country
Chassis Front ARB Stiffness Offset Rear ARB Stiffness Offset
Drag -12% +12%
Off-road1 +12% -12%
Rally1 +12% -12%
Road +24% -24%
Drift +24% -24%
1 only for road cars or rally / off-road cars with stock road tires
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes require additional softening of ARBs to account for higher forces on the chassis while cornering. For dirt tunes ARB stiffness must be reduced by 24% and for cross country tunes ARB stiffness must be reduced by 12%.
ARB Stiffness Offset
Dirt -24%
Cross Country -12%
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional ARB tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune ARBs accordingly.
Chassis Reinf. Front ARB Offset Rear ARB Offset
Stock 0.0 0.0
Street -0.1 +0.1
Sport -0.2 +0.2
Race -0.3 +0.3
Springs
Dirt tunes require a slightly softer, more understeer suspension setup for more grip and to stabilize the car during cornering. Speed tunes require a slightly stiffer, more oversteer suspension setup for improved control and cornering.
For dirt tunes first decrease front and rear springs slightly by 0.5 as compared to road tunes. Then for achieving a slight understeer setup increase front springs by 0.5 and decrease rear springs by 0.5.
For cross country tunes first increase front and rear springs slightly by 0.5 as compared to road tunes. Then for achieving a slight oversteer setup decrease front springs by 0.5 and increase rear springs by 0.5.
Front Springs Rear Springs
Dirt -0.5 + 0.5 -0.5 - 0.5
Cross Country +0.5 - 0.5 +0.5 + 0.5
Example: Car with general spring settings: 567.15 / 365.14
Springs for Dirt Tune:
Front springs: 567.15 - 0.5 + 0.5 = 567.15
Rear springs: 365.14 - 0.5 - 0.5 = 364.14
Springs for Cross Country Tune:
Front springs: 567.15 + 0.5 - 0.5 = 567.15
Rear springs: 365.14 + 0.5 + 0.5 = 366.14
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt and Cross Country generally require lower front and rear spring stiffness is required.
Chassis Front Spring Stiffness Offset Rear Spring Stiffness Offset
Drag -12% -12%
Off-road1 -12% -12%
Rally1 -12% -12%
Road -24% -24%
Drift -24% -24%
1 only for road cars or rally / off-road cars with stock road tires
Cars with Race Suspension
Cars with race suspension generally require softer spring rates for off-road racing. Simply halve the general spring rates for race suspension for Dirt or Cross Country racing.
Note that this effectively means that you use the same spring rates for rally and race suspension for off-road racing (general tuning states to halve the spring rates for rally suspension). Also this leads to minimum race suspension spring rates in most cases.
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes require additional softening of springs to account for higher forces on the chassis while cornering. For dirt tunes spring rates must be reduced by 24% and for cross country tunes spring rates must be reduced by 12%.
Spring Rate Offset
Dirt -24%
Cross Country -12%
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional ARB tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune ARBs accordingly.
Chassis Reinf. Front Spring Offset Rear Spring Offset
Stock 0.0 0.0
Street -0.5 +0.5
Sport -1.0 +1.0
Race -1.5 +1.5
Ride Height
Dirt and cross country tunes generally require maximum ride height for increased suspension travel while cornering and increased stability during acceleration and braking. Dirt tunes additionally require a slight understeer setup to stabilize the car while cornering while cross country tunes require a slight oversteer setup for improved cornering.
For dirt tunes set front and rear ride height to maximum possible values and then decrease rear ride height by 0.1 to achieve a slight understeer setup.
For cross country tunes set front and rear ride height to maximum possible values and then decrease front ride height by 0.1 to achieve a slight oversteer setup.
Front Ride Height Rear Ride Height
Dirt set to max set to max - 0.1
Cross Country set to max - 0.1 set to max
Example: Car with general ride height settings: 4.0 / 5.0, max ride height 5.5/5.8
Springs for Grip Tune:
Front ride height: 5.5
Rear ride height: 5.8 - 0.1 = 5.7
Ride height for Cross Country Tune:
Front ride height: 5.5 - 0.1 = 5.4
Rear ride height: 5.8
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt drag chassis require max rear ride height while off-road, road and drift chassis require max front ride height. For Cross Country drag chassis require max rear ride height while off-road, road and drift chassis require max front ride height.
Dirt
Chassis Front Ride Height Offset Rear Ride Height Offset
Drag set to Max 0.0
Off-road1 0.0 set to Max
Rally1 0.0 set to Max
Road 0.0 set to Max
Drift 0.0 set to Max
Cross Country
Chassis Front Ride Height Offset Rear Ride Height Offset
Drag 0.0 set to Max
Off-road1 set to Max 0.0
Rally1 set to Max 0.0
Road set to Max 0.0
Drift set to Max 0.0
1 only for road cars or rally / off-road cars with stock road tires
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes always require maximum ride height front and rear for maximum stabilization of the car.
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with an off-road or rally chassis may require additional ride height tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune ride height accordingly.
Chassis Reinf. Front Ride Height Offset Rear Ride Height Offset
Stock 0.0 0.0
Street -0.1 +0.1
Sport -0.2 +0.3
Race -0.3 +0.3
Dampers
Dirt and Cross Country tunes generally require lower damping to compensate for a bumpier driving surface with lower grip than roads.
Changed in Horizon 5 Cross Country tunes require an additional rear damping offset for best performance.
Front Rebound Rear Rebound Front Bump Rear Bump
(Race Suspension)
Dirt -4.5 -4.5 -0.5 -0.5
Cross Country -8.5 -8.5 + 2.5 -2.0 -2.0
Front Rebound Rear Rebound Front Bump Rear Bump
(Rally Suspension)
Dirt -6.0 -6.0 -3.5 -3.5
Cross Country -8.5 -8.5 + 2.5 -4.5 -4.5
Front Rebound Rear Rebound Front Bump Rear Bump
(Off-road Suspension)
Dirt -6.0 -6.0 -3.5 -3.5
Cross Country -8.5 -8.5 + 3.5 -4.5 -4.5 + 0.5
Aside from generally lower damping as compared to road tunes dirt and cross country tunes also require a slight oversteer or understeer damper setup. Dirt tunes require a slightly softer and more understeer damper setup for more grip and stabilization during cornering. Cross country tunes require a slightly stiffer and more oversteer damper setup for improved control and cornering.
For dirt tunes first decrease front and rear dampers slightly by 0.1 as compared to road tunes. Then for achieving a slight understeer setup increase front dampers by 0.1 and decrease rear dampers by 0.1.
For cross country tunes first increase front and rear dampers slightly by 0.1 as compared to road tunes. Then for achieving a slight oversteer setup decrease front dampers by 0.1 and increase rear dampers by 0.1.
Front Rebound Rear Rebound Front Bump Rear Bump
Dirt -0.1 + 0.1 -0.1 - 0.1 -0.1 + 0.1 -0.1 - 0.1
Cross Country +0.1 - 0.1 +0.1 + 0.1 +0.1 - 0.1 +0.1 + 0.1
Example: Modern street car with rally suspension and general damper settings: 12.1/11.8/5.3/5.1
Dampers for Dirt Tune:
Front rebound: 12.1 - 6.0 - 0.1 + 0.1 = 6.1
Rear rebound: 11.8 - 6.0 - 0.1 - 0.1 = 5.6
Front bump: 5.3 -3.5 - 0.1 + 0.1 = 1.8
Rear bump: 5.1 -3.5 - 0.1 - 0.1 = 1.4
Dampers for Cross Country Tune:
Front rebound: 12.1 - 8.5 + 0.1 - 0.1 = 3.6
Rear rebound: 11.8 - 8.5 + 2.5 + 0.1 + 0.1 = 6.0
Front bump: 5.3 - 4.5 + 0.1 - 0.1 = 0.8 -> 1.0
Rear bump: 5.1 - 4.5 + 0.1 + 0.1 = 1.0
Road Cars and Rally / Off-road Cars with Drag, Road or Drift Chassis Changed in Horizon 5
Road cars generally require additional chassis tuning when bringing them to dirt or cross country tracks since their chassis is intended for road racing in the first place and not for off-road racing.
Similarly rally and off-road cars that have drag, road or drift tires equipped require additional chassis tuning when bringing them to dirt or cross country tracks. Note that some especially older rally and off-road cars don't have stock rally or off-road tires, these cars must be treated as road cars regarding chassis tuning.
For Dirt drag chassis require higher front rebound and higher rear bump while off-road, road and drift chassis require higher rear rebound and higher front bump. For Cross Country drag chassis require higher rear rebound and higher front bump while off-road, road and drift chassis require higher front rebound and higher rear bump.
Dirt
Chassis Front Rebound Offset Rear Rebound Front Bump Offset Rear Bump Offset
Drag +2.5 0.0 0.0 +2.5
Off-road1 0.0 +2.5 +2.5 0.0
Rally1 0.0 +2.5 +2.5 0.0
Road 0.0 +3.5 +3.5 0.0
Drift 0.0 +3.5 +3.5 0.0
Cross Country
Chassis Front Rebound Offset Rear Rebound Front Bump Offset Rear Bump Offset
Drag 0.0 +2.5 +2.5 0.0
Off-road1 +2.5 0.0 0.0 +2.5
Rally1 +2.5 0.0 0.0 +2.5
Road +3.5 0.0 0.0 +3.5
Drift +3.5 0.0 0.0 +3.5
1 only for road cars or rally / off-road cars with stock road tires
Cars with Race Suspension
Cars with race suspension generally require softer damper tuning across the board for off-road racing.
Front Rebound Offset Rear Rebound Offset Front Bump Offset Rear Bump Offset
-3.5 -3.5 -3.5 -3.5
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes require additional stiffening of front dampers to account for higher forces on the chassis while cornering. For dirt tunes front rebound and bump must be increased by 2.5 while for cross country tunes front rebound and bump must be increased by 1.5.
Off-road cars with stock adjustable suspension (off-road suspension) require additional stiffening of front and rear rebound to account for higher forces on the chassis while cornering. For dirt tunes rebound must be increased by 2.5 while for cross country tunes rebound must be increased by 1.5.
(Race / Rally Suspension)
Front Rebound Offset Rear Rebound Front Bump Offset Rear Bump Offset
Dirt +2.5 0.0 +2.5 0.0
Cross Country +1.5 0.0 +1.5 0.0
(Off-road Suspension)
Front Rebound Offset Rear Rebound Front Bump Offset Rear Bump Offset
Dirt +2.5 +2.5 0.0 0.0
Cross Country +1.5 +1.5 0.0 0.0
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional damper tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune dampers accordingly.
Chassis Reinf. Front Rebound Offset Rear Rebound Front Bump Offset Rear Bump Offset
Stock 0.0 0.0 0.0 0.0
Street -0.1 +0.1 +0.1 -0.1
Sport -0.2 +0.2 +0.2 -0.2
Race -0.3 +0.3 +0.3 -0.3
Brakes
Dirt tunes require more braking force on the front and a higher braking pressure for improved braking and stabilization before corners. Cross country tunes require more braking force on the rear and a lower brake pressure for improved braking while turning (trail braking).
For dirt tunes move more braking force to the front by decreasing front brake distribution by 1% as compared to road tunes and increase brake pressure by 4%.
For cross country tunes move more braking force to the rear by increasing front brake distribution by 1% as compared to road tunes and decrease brake pressure by 4%.
Brake Distribution Brake Pressure
Dirt - 1% +4%
Cross Country + 1% -4%
Example: Car with general brake settings: 52% / 125%
Brakes for Dirt Tune:
Brake distribution: 52% - 1% = 51%
Brake pressure: 125% + 4% = 129%
Brakes for Cross Country Tune:
Brake distribution: 52% + 1% = 53%
Brake pressure: 125% - 4% = 121%
Cars with Race Suspension
Cars with race suspension require more braking force on the front for off-road racing for best handling.
Brake Distribution Offset
-4%
High Power Cars
For cars with with 400 hp or more power dirt and cross country tunes require reduction of brake pressure to account for higher forces on the chassis while braking. For dirt tunes brake pressure must be decreased by 20% while for cross country tunes brake brake pressure must be decreased by 10%.
Brake Pressure Offset
Dirt -20%
Cross Country -10%
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional brake tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune brakes accordingly.
Chassis Reinf. Brake Distr. Offset Brake Pressure Offset
Stock 0 0
Street +1% +1%
Sport +2% +2%
Race +3% +3%
Differential
Dirt and cross country tunes generally require lower accel and higher decel settings for improved stability during cornering. Dirt tunes additionally require a slight understeer setup while cross country tunes require a slight oversteer setup.
For dirt tunes first decrease accel by 24% and increase decel by 40%, then to achieve a slight understeer setup decrease accel by 2% and increase decel by 1%.
For cross country tunes first decrease accel by 12% and increase decel by 20%, then to achieve a slight oversteer setup
increase accel by 2% and decrease decel by 1%.
Accel Offset Decel Offset
Dirt -24% - 2% +40% + 1%
Cross Country -12% + 2% +20% + 1%
Example: Car with general differential settings: 28% / 45%
Differential for Dirt Tune:
Accel: 28% - 24% -1% = 3%
Decel: 45% + 40% + 1% = 86%
Differential for Cross Country Tune:
Accel: 28% - 12% + 1% = 17%
Decel: 45% + 20% - 1% = 64%
FWD Cars
For FWD only adjust front accel, leave front decel always at 0%:
AWD Cars
For AWD only adjust front accel and rear decel, leave front decel always at 0% and rear decel always at 100%.
Changed in Horizon 5 After adjusting front accel and rear decel adjust distribution depending on the installed differential:
Race Diff: Front Accel + 50% (2% + 48%),
Rally Diff: Front Accel + 26% (2% + 24%)
Offroad Diff: Front Accel + 14% (2% + 12%)
Cars with Race Suspension
Cars with race suspension require a more open diff, i.e. lower accel and decel for off-road racing for best handling.
Accel Offset Decel Offset
-30% -30%
Cars with Off-road / Rally Chassis and Chassis Reinforcement Changed in Horizon 5
Cars with a off-road or rally chassis may require additional differential tuning depending on the installed chassis reinforcement upgrade. This is because for off-road racing Stock chassis reinforcement (no chassis reinforcement) is best suited, having a higher chassis stiffness via chassis reinforcement upgrades requires additional oversteer tuning to compensate for changed chassis behavior on the track.
Note: Many cars come already with a stock Street (only Sport or Race chassis reinforcement upgrades available), Sport (only Race chassis reinforcement upgrade available) or Race chassis reinforcement (no chassis reinforcement upgrades available) installed. Tune differential accordingly.
Chassis Reinf. Accel Offset Decel Offset
Stock 0 0
Street +2% -1%
Sport +4% -2%
Race +6% -3%
Gearing
Dirt tunes require overall longer gearing and tighter gear ratios for better utilization of the engines powerband in lower gears that allows to better attack and accelerate out of corners. Cross country tunes require overall shorter gearing but longer gear ratios for better utilization of the engines powerband in higher gears that works better when attacking obstacles.
For dirt tunes decrease the final drive by 1.0 and increase gear ratios by 0.2 as compared to road tunes . For cross country tunes increase the final drive by 1.0 and reduce gear ratios by 0.2 as compared to road tunes
Final Drive Gear Ratios
(Race Transmission)
Dirt -1.0 +0.2
Cross Country +1.0 -0.2
When using sport transmission for dirt tunes first decrease the final drive by 1.0 and then increase final drive by 0.2. For cross country tunes first increase the final drive by 1.0 and then decrease the final drive by 0.2.
Final Drive
(Sport Transmission)
Dirt -1.0 + 0.2
Cross Country +1.0 - 0.2
Example: Car with race gear box and general gearing: final drive 4.38, gear ratios: 2.89/1.99/1.49/1.16/0.96/0.78
Gearing for Dirt Tune:
Final Drive: 4.38 - 1.0 = 3.38
Gear ratios: 2.89/1.99/1.49/1.16/0.96/0.78 + 0.2 = 3.09/2.19/1.69/1.36/1.16/0.98
Gearing for Cross Country Tune:
Final Drive: 4.38 + 1.0 = 5.38
Gear ratios: 2.89/1.99/1.49/1.16/0.96/0.78 - 0.2 = 2.69/1.79/1.29/0.96/0.76/0.58
Aero
Generally dirt and cross country tunes require lower downforce.
For dirt tunes reduce front downforce by 15% and rear downforce by 30% as compared to road tunes. For cross country tunes reduce front downforce by 30% and rear downforce by 60% as compared to road tunes.
Front Downforce Rear Downforce
Dirt -15% -30%
Cross Country -30% -60%
Example: AWD car with standard Forza race aero kit, general aero settings 220/220 (max / min)
Downforce for Dirt Tune:
Front Downforce = 220 - (220 *15%) = 187
Rear Downforce = 220 - (220 * 30%) = 154 --> 220 (min)
Downforce for Cross Country Tune:
Front Downforce = 220 - (220 * 30%) = 154
Rear Downforce = 220 - (220 * 60%) = 132 --> 220 (min)
Example: RWD car with standard Forza race aero kit, general aero settings 110/441 (min / max)
Downforce for Dirt Tune:
Front Downforce = 110 - (110 * 15%) = 94 --> 110 (min)
Rear Downforce = 441 - (441 * 30%) = 309
Downforce for Cross Country Tune:
Front Downforce = 110 - (110 * 30%) = 77 --> 110 (min)
Rear Downforce = 441 - (441 * 60%) = 176 --> 220 (min)
Changed in Horizon 5 High Power Cars
For high power cars (>= 1.5*stock power) dirt and cross country tunes require higher downforce, i.e. less reduction of downforce as compared to road tunes.
Front Downforce Rear Downforce
Dirt -12.50% -22.50%
Cross Country -22.50% -45%
Example: same AWD car as above but with power >= 1.5*stock power, general aero settings 220/330
Downforce for Dirt Tune:
Front Downforce = 220 - (220 * 12.50%) = 193
Rear Downforce = 330 - (330 * 22.50%) = 256
Downforce for Cross Country Tune:
Front Downforce = 220 - (220 * 22.50%) = 171
Rear Downforce = 330 - (330 * 45%) = 149 --> 220 (min)
Example: same RWD car as above but with power >= 1.5*stock power, general aero settings 165/441
Downforce for Dirt Tune:
Front Downforce = 165 - (165 * 12.50%) = 145
Rear Downforce = 441 - (441 * 22.50%) = 342
Downforce for Cross Country Tune:
Front Downforce = 110 - (110 * 22.50%) = 85 --> 110 (min)
Rear Downforce = 441 - (441 * 45%) = 243