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SR8 Specification

Engine: 72° V8 cylinder 2.6-litre, 32 valve quad cam
Max. Power: 363bhp @ 10,300 rpm
Max. Torque: 200 ft lbs @7,000 rpm
Bore: 81mm
Stroke: 63mm
Compression Ratio: 11.0:1
Dry weight: 95kg

Steel flat-plane crankshaft
Twin counter-rotating balance shafts
Twin pump lubrication system
Quad scavenge pump dry sump system
Rotary vane coolant pump
Pre-engage starter motor
Belt-driven 45amp alternator
AP racing clutch

Transaxle:
Six-speed constant mesh
Torque-biased LSD
Integral oil cooling pump
Pressure fed lubrication system

 
Sequential shift 1 forward, 5 Back
Gear ratios  
1st 2.615
2nd 1.937
3rd 1.526
4th 1.285
5th 1.136
6th 1.043
Overall reduction ratio 3.400:1 to 5.670:1
Reverse gear ratio 3.000:1
Dry weight: 46kg


Chassis:
Powered-coated steel spaceframe construction with integral FIA-approved safety cage and power-coated stressed aluminum panels. Available in right or left hand drive.
Foam-filled side impact pods
Aluminum honeycomb front crash box
54-litre aluminum foam-filled fuel tank

Suspension:
Front and rear patented ‘Nik’ suspension system. Double wishbone with fully floating, single adjustable coil-over dampers, and ‘Nik’ anti-roll system.

Optional Radical triple-adjustable shock absorbers.

Brakes:
Four-pot Radical calipers front and rear, 260mm dia. vented discs front and rear
Optional 280mm dia. floating vented discs front and rear

Bodywork:
Removable lightweight self-colored glass-fiber nose and engine cover with integral cooling grilles and flush-mounted release clips
Side pods with integral air vents, cooling ducts and foam filled crash structure
Cockpit surround and roll cage fairing
Carbon-fiber wind deflector
Front splitter with integral undertray, venturi and water radiator
Full width rear wing – single or optional bi-plane
Front dive planes
Wheel arch louvres
Twin Le Mans-style driving mirrors
Front brake cooling ducts
Optional twin headlights and triple rear lights

Cockpit:
Adjustable molded driver/passenger seat
Six-point race harness
Headrests
Adjustable pedal box
Optional quick-release steering wheel
Sequential gear lever
Reverse gear engagement lever

Instrumentation:
Wrap-around carbon-composite dashboard with integral rev counter.
Radical instrument panel – incorporating super-bright LED rev counter, shift lights, high-intensity LCD display of engine parameters and speed, plus warning lights and maximum engine revs recall button.

Optional steering wheel-mounted dashboard with lap timer and data logger
Optional dashboard-mounted brake bias adjuster

Wheels & Tyres:
Cast alloy centre-lock 7” × 15” front and 8” × 16” rear
Optional BBS forged centre, three-piece, centre-lock
8½” × 15” front, 10½” × 16” rear slicks and wets

 
Dimensions & Weight
Width 1800mm (5’ 11”)
Length 4050mm (13’ 3”)
Ground Clearance 50mm
Weight 600kg
 
V8 Curve

V8 Dyno Curve

 

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