If you managed to rack up the 20 points required during the Series 2 Horizon Decades Autumn Season, you now have the keys to one of the most terrifyingly beautiful monsters in Forza Horizon 6: the 1998 TVR Cerbera Speed 12.
Boasting a massive 7.7-liter V12 engine and a lightweight chassis, this legendary beast is famous for its raw power and its equally famous desire to spin out the moment you look at the accelerator. In its stock, rear-wheel-drive configuration, it is a handful, to say the least. But with the right upgrade path and a precise tune, you can transform this tail-happy nightmare into an absolute meta competitor with unbelievable traction. Here is exactly how to tame the beast and make it a dominant force on the track.
The Essential Upgrade Blueprint
Before touching any sliders in the tuning menu, you need to lay down the right foundation in the garage. The goal here is control. We want to convert the car's overwhelming power into forward momentum rather than tire smoke.
First, do yourself a favor and perform an All-Wheel Drive drivetrain swap. While purists might cry foul, trying to manage over 800 horsepower on a featherweight RWD platform is a recipe for frustration. AWD gives you the necessary traction to actually use that V12 power when coming out of corners.
Next, upgrade to the highest available race tire compound. Mechanical grip is your best friend here, and you need the widest, stickiest contact patch possible. Finally, install adjustable front and rear race spoilers. The Cerbera is incredibly light, which means aerodynamic downforce will have a massive impact on keeping the car glued to the tarmac during high-speed cornering.
Tactical Tuning Configuration
Once your upgrades are installed, head over to the tuning menu. We need a specific baseline setup to iron out the car’s natural tendency to oversteer and make the chassis feel predictable.
Tires and Alignment
Start with your tire pressure. Drop it down into the upper mid-20s, aiming for roughly 26 to 28 PSI. Lower pressure lets the tires flex a bit more, widening the contact patch and giving you a noticeable boost in mechanical grip.
For the alignment, set both the front and rear to around 1.0 to 1.5 degrees of Toe-In. You will want to keep the front toe angle just slightly higher than the rear. This minor tweak significantly sharpens your front-end responsiveness when entering corners. Don't forget to dial in a few extra points of Caster Angle as well; this helps stabilize the car at extreme high speeds and gives you a much better center-feel on straightaways.
Suspension and Anti-Roll Bars
The weight distribution under heavy braking and acceleration can easily upset this car. To counter this, soften the front springs and stiffen up the rear springs. This keeps the front end from diving too aggressively when you slam on the brakes. For the ride height, slam the front end completely to the ground and raise the rear just a tiny bit. This slight rake helps create a natural aerodynamic balance that favors rear-end stability.
When it comes to damping, soften both the front rebound and bump stiffness relative to the rear. This allows for smooth weight transitions over bumps and curbs without unsettling the chassis. Finally, stiffen up the rear Anti-Roll Bars relative to the front. This keeps the car flat and predictable when you are throwing it into mid-speed turns.
Differential Setup
Managing how the AWD system splits that massive V12 torque is the secret sauce of this tune. You want enough front-wheel pull to save you from spins, but enough rear bias to keep the car feeling agile.
For the front differential, set the Acceleration to 25% and Deceleration to 7%. For the rear differential, push the Acceleration up to 65% and the Deceleration to 35%. Finally, set the Center Balance to give you a 65% to 70% rear power bias. This ensures the car still rotates beautifully like a sports car, but the front wheels will pull you straight the second you hit the gas.
On-Track Driving Tips
Even with AWD and a top-tier tune, the Speed 12 demands respect. You still need good throttle discipline. Avoid slamming the trigger fully open the exact moment you hit an apex. Instead, ease into the power smoothly as you unwind the steering wheel.
Because the car is so light, your downforce settings are incredibly effective. Don't be afraid to slide your aero sliders further toward the Cornering side of the menu. The car has more than enough power to overcome the extra drag, and the high-speed stability you gain through the twists turns this former handful into a point-and-shoot racing weapon. Get out there, dial it in, and enjoy leaving the competition in your dust.
