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CATERHAM 21 GTO |
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Caterham 21 GTO, testing at MIRA wind tunnel
Eligible for current Belgium, French and UK GT Championships, this ultimate development of the Caterham 21 is built for the road and track. Created over the last 12 months following 24-hour and Class victories in the Belgium Belcar Championship in 1999, the latest Twenty-One boasts a 1.8 litre engine, producing 230
Bhp.
The outer bodyshell is also derived from the standard 21 car, but has been honed during numerous visits to the wind tunnel, ensuring high-speed stability together with maximum top speed. At recent testing at the Milbrook Proving Ground, the car recorded a maximum speed of 153mph, with a 0-60 time of 3.8 sec.
This exciting road car is aimed at GT racing’s under 2ltr class and serious track day customers.
Vehicle specification:
| Type: | Two door, 2 seater, fixed roof sports car |
| Construction: | A stressed glass fibre composite body multipoint bolt fitted to a Caterham 2000 race specification tubular steel space frame with aluminium honeycomb under-floor protection. Safety Devices 6 point roll cage with removable rear legs. |
| Engine: | Caterham developed Rover 1.8. K series. 1,796cc (80mm bore x 89.3mm stroke) Compression ratio 11.5:1 16 Valve DOHC, Mechanical tappets, lightweight flat back valves. Caterham magnesium inlet manifold with roller barrel throttle bodies. Caterham dry sump system with magnesium sump pan. Cosworth forged Aluminium pistons, forged steel conrods and crank. MBE engine management with bespoke management. AP racing lightweight clutch and lightened flywheel. 4-1 side exit stainless exhaust. Max power: 230bhp @ 8,600rpm. Max torque: 155 lbs ft@ 7,200 rpm Max revs: 9,000 rpm. |
| Transmission: | Caterham 6 speed close ratio aluminium gearbox |
|
Ratios: |
1st 2.69:1 2nd 2.01:1 3rd 1.59:1 4th 1.32:1 5th 1.13:1 6th 1.00:1 Rev 2.96:1 |
| Differential: | LSD, ZF 3.92:1 |
| Suspension: | |
|
Front: |
Double wishbone with adjustable camber and castor. Adjustable spring platforms. Adjustable anti-roll bar. |
|
Rear: |
de Dion axle with lower a frame and upper Watts link. Adjustable spring platforms. Adjustable anti-roll bar. |
| Brakes: | |
|
Front: |
254mm ventillated discs. Caterham/AP Racing 4 pot calliper. |
|
Rear: |
228mm solid disc, 2 pot calliper. |
| Steering: | Rack and pinion, 2.12 turns lock to lock. |
| Dimensions: | |
| Length: | 3850mm. |
| Width: | 1580mm. |
| Wheelbase: | 2225mm. |
| Kerb weight: | 700kg |
| Fuel capacity: | 100ltr. |
| Aerodynamics: | 56 kg @ 100mph. |
|
Front: |
28kg @ 100mph. Detachable front splitter/ air dam with twin radiator intakes and front brake cooling ducts. |
|
Rear: |
28kg@100mph. Aerofoil rear wing with adjustable height and pitch. |
|
Underbody: |
Flat bottomed incorporating side sills. |
| Performance: | |
| 0-60 mph: | 3.8 sec. |
| 0-100 mph: | 9.5 sec. |
| Max speed: | 150+ mph |
| Wheels: | Alloy 5 spoke, 7x16 |
| Tyres: | Avon |
| Price: | From £39,950, dependent on final specification |