Callaway C4 Corvette Speedster
Description
In 1990, Callaway introduced the Speedster, which differed from the convertible in that it lacked a soft top and had a low windshield.
Despite initially planning to produce 50 examples, only 12 were made. The last two were based on the Chevrolet Corvette ZR-1 and were called Super Speedsters or Series II, producing 750 hp.
In addition to turbocharging, the sports cars received a sports suspension with adjustable shock absorbers, Brembo brakes and OZ Racing three-piece racing wheels with Bridgestone Potenza tires. Bridgestone introduced run-flat tires, the latest technology that eliminates the need for a spare tire on the Speedster.
The exterior of the car was designed by Paul Deutschman, who created a very unique body - a completely missing roof and a lowered glass line, as well as an interior reupholstered in high-quality Connolly leather.
Sources
Specification
| Bodywork | |
|---|---|
| Presentation | |
| Years of production | 
             1990-1994 
       | 
| Produced (pcs.) | 
             10 
       | 
| Body type | 
             спидстер 
       | 
| Number of doors | 
             2 
       | 
| Number of places | 
             2 
       | 
| Engine | |
|---|---|
| Engine type | 
             бензиновый 
       | 
| Engine location | 
             спереди, продольное 
       | 
| Engine model | 
             Chevrolet L98 
       | 
| Cylinders | 
             V8 
       | 
| V-angle | 
             90° 
       | 
| Capacity (cc) | 
             5733 
       | 
| Power output (hp / kW /) | 
       403 / 
              296 / 
           | 
| at rpm | 
             4800 
       | 
| Torque (N·m) | 
             573 
       | 
| at rpm | 
             2600 
       | 
| Bore (mm) | 
             101,6 
       | 
| Stroke (mm) | 
             88,4 
       | 
| Compression | 
             7,5 
       | 
| Number of valves | 
             2/16 
       | 
| Valvetrain | 
             OHV 
       | 
| Block material | 
             чугун 
       | 
| Fuel system | 
             впрыск 
       | 
| Fuel system model | 
             Rochester TPI 
       | 
| Turbocharger | 
             2 
       | 
| Compressor model | 
             Garrett Rotomaster T04 Turbos 
       | 
| Specific | |
|---|---|
| Specific output (hp/litre) | 
             70,29 
       | 
| Specific output (hp/tonne) | 
             253,46 
       | 
| Specific output (kg/hp) | 
             3,95 
       | 
| Specific torque (N·m/litre) | 
             99,95 
       | 
| Specific torque (N·m/tonne) | 
             360,38 
       | 
| Transmission | |
|---|---|
| Driven wheels | 
             задний 
       | 
| Gearbox model | 
             ZF 
       | 
| Gearbox | 
             механическая 
       | 
| Number of speeds | 
             6 
       | 
| Final drive ratio | 
             3,330 
       | 
| First gear ratio | 
             2,680 
       | 
| Second gear ratio | 
             2,680 
       | 
| Third gear ratio | 
             1,800 
       | 
| Fourth gear ratio | 
             1,290 
       | 
| Fifth gear ratio | 
             1,000 
       | 
| Sixth gear ratio | 
             0,750 
       | 
| Seventh gear ratio | 
             0,500 
       | 
| Suspension | |
|---|---|
| Front suspension | 
             независимая на двойных поперечных рычагах 
       | 
| Rear suspension | 
             независимая многорычажная 
       | 
| Elastic elements in front | 
             рессоры 
       | 
| Elastic elements in rear | 
             рессоры 
       | 
| Front anti-roll bar | |
| Rear anti-roll bar | |
| Wheels brand | 
             OZ Racing 
       | 
| Wheel size front | 
             9,5J×17 
       | 
| Wheel size rear | 
             9,5J×17 
       | 
| Tire brand | 
             Bridgestone Potenza 
       | 
| Tyres front | 
             275/40 R17 
       | 
| Tyres rear | 
             275/40 R17 
       | 
| Steering | |
|---|---|
| Steering type | 
             шестерня-рейка 
       | 
| Power steering | 
             гидравлический 
       | 
| Turning diameter (m) | 
             12,3 
       | 
| Brakes specs | |
|---|---|
| Brakes front | 
             дисковые вентилируемые 
       | 
| Brakes rear | 
             дисковые вентилируемые 
       | 
| Brand of brakes | 
             Brembo 
       | 
| Front brake diameter (mm) | 
             328 
       | 
| Rear brake diameter (mm) | 
             302 
       | 
| Anti-lock braking system | 
             да 
       | 
| Dimensions and weight | |
|---|---|
| Body | 
             стальной трубчатый каркас 
       | 
| Body material | 
             стекловолокно 
       | 
| Length (mm) | 
             4483 
       | 
| Width (mm) | 
             1803 
       | 
| Height (mm) | 
             1041 
       | 
| Wheelbase (mm) | 
             2443 
       | 
| Front track (mm) | 
             1514 
       | 
| Rear track (mm) | 
             1534 
       | 
| Ground clearance (mm) | 
             110 
       | 
| Curb weight (kg) | 
             1590 
       | 
| Trunk volume max (litre) | 
             238 
       | 
| Performance specs | |
|---|---|
| Fuel tank capacity (l) | 
             76 
       | 
| Fuel type | 
             бензин 
       | 
| Dynamic specs | |
|---|---|
| Acceleration 0-100 kph (s) | 
             5,0 
       | 
| Top speed (kph) | 
             300 
       | 
|---|---|
| Top speed (mph) | 
             186 
       | 
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