ENGINE
Type: Cosworth YB, converted to naturally
aspirated
| Construction: |
Light-alloy head,
cast-iron block, five main bearings, steel crank and rods, steel
flywheel, forged accralite pistons,Paul Ivey valves, Kent L1/BD3
cams, solid lifters, head fully ported with larger inlet valves,
RS2000 ally sump and bellhousing |
Bore x Stroke: 90.82 x 76.95mm
Displacement: 1993cc
Compression ratio: 12:1
| Valve gear: |
Four valves per
cylinder, double belt-driven overhead camshafts |
| Fuel system: |
Emerald M3D Full
engine management multi-point injection, Jenvey throttle bodies |
| Ignition: |
Emerald M3D fully
mapped, with Hall effect distributor |
Maximum power: 235hp@8000rpm
Maximum torque: 179lb-ft@6600rpm
TRANSMISSION
| Type: |
BGH Geartech Rocket 5
gearbox, Sierra Cosworth 4x4 viscous limited-slip differential |
| Ratios: |
1st: 2.58
2nd: 1.64
3rd: 1.23
4th: 1.00
5th: 0.88
|
Final drive ratio: 3.62.1
BODY/CHASSIS
| Type: |
Stainless steel
monocoque (1.6mm), GRP wings and nosecone |
Body builder: Robin Hood Engineering,
Nottingham
|
RUNNING
GEAR
Steering: Sierra Quickrack rack-and-pinion,
2.4 turns
| Suspension: |
front:
independent by top rocker arm triangulated bottom comprised of
TCA and adjustable compression strut, inboard adjustable coil
spring/damper units.
rear: independent with Cosworth beam trailing arms,
Viscous diff, driveshafts, GPA diff mount and De-Dion mountings |
Clutch: Centreforce single plate, cable
operated
| Brakes: |
front: Willwood
Dynalite aluminium 4 pot calipers with vented and cross drilled
GP1 disks
rear: Cosworth rear disks and calipers |
| Tyres: |
195/50R15 Yokohama
A520 |
DIMENSIONS AND WEIGHT
Length: 3500mm
Width: 1700mm
Height: 1180mm
Wheelbase: 2480mm
| Track: |
front: 1460mm
rear: 1480mm |
Ground clearance: 120mm
Kerb weight: 730kg
PERFORMANCE
Acceleration 0-60MPH: approx 4sec
Standing 1/4 mile: 12.75sec
Maximum speed: > 140MPH
|
