2017 CAR

Technical Specifications

Overall Dimensions (mm)

Length: 2645

Width: 1380

Height: 1190

Wheelbase & Track (mm)

Wheelbase: 1595

Front Track: 1350

Rear Track: 1200

Center of Gravity Design Height (mm)

CG Height: 0.4

Confirmed Via: tilt

Mass without driver (kg)

Front: 99.0

Rear: 131.0

Total: 230.0

Weight Distribution with driver (%)

Front: 43.0

Rear: 57.0

Left: 49.8

Right: 50.2

FRAME

Frame Construction: Space Frame Chassis

Material: 4130 Chrome Molybdenum Steel

Joining method and material: TIG Welding, S2 "Supersteel" filler rods, 2% thoriated 1.6mm tungstens.

Bare frame mass (kg): 44.6

ENGINE

TYPE: Double Over Head Cam, 16-valve,

Inline four-cylinder, liquid-cooled 4-stroke

Displacement: 599 cc

Bore & Stroke: : 59.0 x 54.8 mm (2.32 x 2.16 in)

Compression Ratio: 12.0 : 1

Peak Horsepower: ~76 hp @ 10000 rpm

Peak Torque: ~45 ft-lbs @ 8250 rpm

Lubrication: Wet sump, SAE 20W40

Clutch type: Wet, multiple disc

Fuel System: Electronic Fuel Injection driven by MoTeC M800, Regulated 50psi with return line

Cooling system: Liquid

Ignition: 2 Coil, Wasted Spark

Ignition timing: Mapped to throttle position sensor in 1000 RPM bands

Injection: 65mm before intake port, high impedance

Intake: Nylon 3D Printed Plenum with Aluminium Runners, Single trumpet and Throttle Body with 20mm restrictor

Exaust: 4-2-1 (Suitable for Low RPM, High Torque)

Special Features: Converted from Carbureted Fuel System to EFI, Tuned for 98 and E85,ECU is mapped with several performance profiles to suit each race event (Such as Max Efficiency, Acceleration, Balanced).

Transmission

Gearbox: Constant mesh, 6 speed

Primary Reduction: Spur gear, 82/48 (1.708)

Secondary Reduction: Chain drive, 45/15 (3.000)

Final Drive: 530 Chain, 106 links

Gear Ratios:
1st = 37/13    (2.846)
2nd = 37/19   (1.947)
3rd = 31/20   (1.550)
4th = 28/21   (1.333)
5th = 31/26   (1.192)
6th = 30/27   (1.111)

Tyres, Suspension, Steering, Brakes

Tyres: Hoosier R25B 20.5x6.0-13 A2500

Front Brakes: 2x Outboard (in wheel) Single 256mm discs with 4-piston calipers

Rear Brakes: 1x Inboard (on rear spool) Single 256mm disc with 4-piston caliper

Type: Double Wishbone, Direct Acting

Coilovers: Penske 7800 Quarter M Shocks

Steering Ratio: 6.4:1

Special Features: Universal uprights, Caliper Adapters