Forza 6: Tuning Notes (Multiple Cars)

This Sierra build was designed and tested originally for competition at Yas Marina and Brands Hatch and will perform at a 1.08/1.42 range on those courses. You should not have to adapt this build for League Race #6.

Base Car: 1987 Ford Sierra Cosworth RS500 [B-600] Build

Modifications:

• FM adjustable front splitter
• FM adjustable rear spoiler
• Race Tires: 225 F, 245 R
• Wheels: Team Dynamics Pro Race 1
• Wheel Size: 17″ F/R
• Race Clutch
• Sport Transmission
• Race Driveline
• Race Differential
• Race Brakes
• Race Springs/Shocks
• Race Sway Bars F & R
• Roll Cage
• Race Weight Reduction
• Sport Intake
• Sport Exhaust
• Race Intercooler
• Sport Flywheel

Power: 254 hp, 233 ft-lb, 2393 lbs
Tune:

• Tires: 30 F, 28 R
• Final Drive: 3.94
• Camber: -2.0 F, -0.9 R
• Toe: -0.3 R
• Caster: 5.5
• Sway Bars: 28.02 F, 22.01 R
• Springs: 650.1 F, 525.4 R
• Ride Height: 5.0 F, 5.0 R
• Rebound: 7.8 F, 7.2 R
• Bump: 5.8 F, 5.2 R
• Downforce: 75 F, 137 R
• Brakes: 60% F with 125% Pressure (ABS cars only)
• Differential: 73% A, 35% D

This E36 build was designed and tested originally for competition at Road Atlanta and will perform at a 1.36/1.37 range on that course.
We recommend that you take this base build and adapt it for League Race #10 (IROC-BMW) at Watkins Glen.

Base Car: 1997 BMW E36 M3 [B-600] Build
Modifications:

• Choose Wheel Style, any 17″
• Upgrade Front Tire Width: 245/17 (square setup)
• Race Tires
• FM adjustable front splitter
• FM adjustable rear spoiler
• Race Clutch
• Sport Trans
• Race Driveline
• Race Differential
• Race Brakes
• Race Springs
• Race Sway Bars (F/R)
• Roll Cage
• Sport Weight Reduction
• Sport Flywheel

Power: 321 hp
Tune:

• Tires: 30 F, 28 R
• Final Drive: 3.83
• Camber: -2.0 F, -0.5 R
• Toe: No Adjustment
• Caster: 5.5
• Sway Bars: 28.02 F, 22.01 R
• Springs: 664.7 F, 564.7 R
• Ride Height: 6.6 F, 6.6 R
• Rebound: 7.7 F, 6.5 R
• Bump: 5.7 F, 4.8 R
• Downforce: 75 F, 150 R
• Brakes: 60% F with 115% Pressure (ABS cars only)
• Differential: No Adjustment

This Corvette build was designed and tested originally for competition at VIR (Full Course) and will perform at a 2.07.5 or better.

Base Car: 1953 Chevrolet Corvette [B-585] Build
Modifications:

• Adjustable Aero Front & Rear
• Remove Rear Bumper
• Race Tires: 245/16 F, 295/16 R
• Specialized Wheels: American Racing Outlaw II
• Aspiration Conversion: Supercharger
• Race Clutch
• Sport Transmission
• Race Driveshaft
• Race Differential
• Race Brakes
• Race Springs
• Race Sway Bars
• Sport Chassis
• Race Weight Reduction
• Race Intake
• Race Carburetor
• Race Ignition
• Race Exhaust
• Race Valves
• Race Engine Block
• Race Pistons
• Race Supercharger
• Race Intercooler
• Race Cooling
• Race Flywheel

Power: 349 hp @ 2450 lbs (B-585);
Tune:

• Tires: 30 F, 28 R
• Final Drive: 2.75 (150 mph)
• Camber: -1.6 F, -0.5 R
• Toe: 0/-0.2
• Caster: 5.2
• Sway Bars: 25.53 F, 21.01 R
• Springs: 570.1 F, 450.3 R
• Ride Height: 6.1 F, 6.0 R
• Rebound: 6.6 F, 6.0 R
• Bump: 5.0 F, 4.8 R
• Downforce: 77/138
• Brakes: 60% F with 130% Pressure
• Differential: 72% A, 35% D

This Jag build was designed and tested originally for competition at VIR (Full Course) and will perform at a 2.07.5 or better.

Base Car: 1954 Jaguar XK120 SE [B-600] Build
Modifications:

• Adjustable Aero Front & Rear
• Remove Rear Bumper
• Race Tires: 215/16 F, 255/16 R
• Specialized Wheels: American Racing Outlaw II
• Aspiration Conversion: Supercharger
• Race Clutch
• Sport Transmission
• Race Driveshaft
• Race Differential
• Race Brakes
• Race Springs
• Race Sway Bars
• Sport Chassis
• Race Weight Reduction
• Race Intake
• Race Carburetor
• Race Ignition
• Race Exhaust
• Sport Cams
• Race Valves
• Sport Intercooler
• Street Cooling
• Race Flywheel

Power: 339 hp @ 2584 lbs (B-600);
Tune:

• Tires: 30 F, 28 R
• Final Drive: 3.94
• Camber: -1.4 F, -0.5 R
• Toe: 0/-0.2
• Caster: 5.2
• Sway Bars: 25.09 F, 21.06 R
• Springs: 540.0 F, 450.3 R
• Ride Height: 6.5 F, 6.3 R
• Rebound: 6.6 F, 6.3 R
• Bump: 5.0 F, 4.8 R
• Downforce: 77/138
• Brakes: 60% F with 125% Pressure
• Differential: 72% A, 35% D

This Datsun build was designed and tested originally for competition at VIR (Full Course) and will perform at a 2.07.5 or better.

Base Car: 1969 Datsun 2000 Roadster [B-596] Build
Modifications:

• Adjustable Aero Front & Rear
• Race Tires: 205/15 F, 245/15 R
• Specialized Wheels: American Racing Outlaw II
• Aspiration Conversion: Supercharger
• Race Clutch
• Sport Transmission
• Race Driveshaft
• Race Differential
• Race Brakes
• Race Springs
• Race Sway Bars
• Sport Chassis
• Race Weight Reduction
• Race Intake
• Race Carburetor
• Race Ignition
• Race Exhaust
• Street Cams
• Race Valves
• Race Engine Block
• Race Pistons
• Race Supercharger
• Race Intercooler
• Race Cooling
• Race Flywheel

Power: 315 hp @ 1959 lbs (B-596);
Tune:

• Tires: 30 F, 28 R
• Final Drive: 4.11 (145.7 mph)
• Camber: -1.4 F, -0.5 R
• Toe: 0/-0.2
• Caster: 5.2
• Sway Bars: 25.06 F, 21.01 R
• Springs: 460.2 F, 350.2 R
• Ride Height: 6.9 F, 6.7 R
• Rebound: 7.2 F, 6.3 R
• Bump: 5.4 F, 4.8 R
• Downforce: 77/138
• Brakes: 60% F with 125% Pressure
• Differential: 72% A, 35% D