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Lotus 25 Climax
eneral specifications
Country of origin Great Britain
Chassis number R4 / R7
Numbers built 7
Produced from 1962 - 1963
Predecessor
Lotus 24 Climax
Successor
Lotus 33 Climax
Major wins
1962 Belgian Grand Prix (Jim Clark in R1)
1962 British Grand Prix (Jim Clark in R2)
1962 USA Grand Prix (Jim Clark in R3)
1963 Belgian Grand Prix (Jim Clark in R4)
1963 Dutch Grand Prix (Jim Clark in R4)
1963 French Grand Prix (Jim Clark in R4)
1963 British Grand Prix (Jim Clark in R4)
1963 Italian Grand Prix (Jim Clark in R4)
1963 Mexican Grand Prix (Jim Clark in R4)
1963 South African Grand Prix (Jim Clark in R4)
1964 Dutch Grand Prix (Jim Clark in R6)
1964 Belgian Grand Prix (Jim Clark in R6)
1964 British Grand Prix (Jim Clark in R6)
1965 French Grand Prix (Jim Clark in R6)
Engine
Configuration Coventry Climax FWMV 90º V8
Location Mid, longitudinally mounted
Construction aluminium alloy block and head
Displacement 1.495 liter / 91.2 cu in
Bore / Stroke 67.9 mm (2.7 in) / 51.6 mm (2 in)
Compression 11.5:1
Valvetrain 2 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 195 bhp / 145 KW @ 9500 rpm
Torque 160 Nm / 118 ft lbs @ 8000 rpm
BHP/Liter 130 bhp / liter
Drivetrain
Chassis fibreglass body on aluminium monocoque
Front suspension double wishbones, inboard coil springs over dampers
Rear suspension reversed lower wishbones, top links, twin radius arms, coil springs over dampers, anti-roll bar
Brakes Girling discs, all-round
Gearbox ZF 5DS-10 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 451 kilo / 994.3 lbs
Length / Width / Height 3553 mm (139.9 in) / 1548 mm (60.9 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2310 mm (90.9 in) / 1320 mm (52 in) / 1345 mm (53 in)
Performance figures
Power to weight 0.43 bhp / kg
Lotus 33 Climax
General specifications
Country of origin Great Britain
Numbers built 7
Produced from 1964 - 1965
Predecessor
Lotus 25 Climax
Major wins
1965 South African Grand Prix (Jim Clark in R10)
1965 Belgian Grand Prix (Jim Clark in R11)
1965 British Grand Prix (Jim Clark in R11)
1965 Dutch Grand Prix (Jim Clark in R9)
1965 German Grand Prix (Jim Clark in R11)
Engine
Configuration Coventry Climax FWMV 90º V8
Location Mid, longitudinally mounted
Construction aluminium alloy block and head
Displacement 1.495 liter / 91.2 cu in
Bore / Stroke 67.9 mm (2.7 in) / 51.6 mm (2 in)
Compression 11.5:1
Valvetrain 2 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 205 bhp / 153 KW
BHP/Liter 137 bhp / liter
Drivetrain
Chassis G.R.P. body on aluminium monocoque
Front suspension cantilever top arm, lower wishbone, inboard coil springs over dampers
Rear suspension reverse lower wishbones, top link, twin radius rods, coil springs over dampers, anti-roll bar
Brakes discs, all-round
Gearbox ZF 5DS-10 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 451 kilo / 994.3 lbs
Length / Width / Height 3604 mm (141.9 in) / 1650 mm (65 in) / 838 mm (33 in)
Wheelbase / Track (fr/r) 2335 mm (91.9 in) / 1396 mm (55 in) / 1421 mm (55.9 in)
Performance figures
Power to weight 0.45 bhp / kg
Lotus 38 Ford
General specifications
Country of origin Great Britain
Chassis number 38/1
Numbers built 8
Produced in 1965
Body design Len Terry for Lotus
Major wins
1965 Indy 500 (Jim Clark in 38/1)
Engine
Configuration Ford 90º V8
Location Mid, longitudinally mounted
Weight 180 kilo / 396.8 lbs
Construction aluminium block and head
Displacement 4.195 liter / 256 cu in
Bore / Stroke 96.5 mm (3.8 in) / 72.8 mm (2.9 in)
Compression 12.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Hilborn / Ford Fuel Injection
Aspiration Naturally Aspirated
Power 500 bhp / 373 KW @ 8400 rpm
BHP/Liter 119 bhp / liter
Drivetrain
Chassis aluminium monocoque
Front suspension double wishbones, inboard coil springs over dampers
Rear suspension reverse lower wishbones, top link, twin radius rods, coil springs over dampers, anti-roll bar
Brakes Girling ventilated discs, all-round
Gearbox ZF 2DS-20 2 speed Manual
Drive Rear wheel drive
Dimensions
Weight 612 kilo / 1349.2 lbs
Length / Width / Height 3959 mm (155.9 in) / 1853 mm (73 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2436 mm (95.9 in) / 1523 mm (60 in) / 1523 mm (60 in)
Performance figures
Power to weight 0.82 bhp / kg
Top Speed 322 km/h (200 mph)
Lotus 49 Cosworth
General specifications
Country of origin Great Britain
Chassis number R2 / R3 / R4
Numbers built 5
Produced in 1967
Successor
Lotus 49B Cosworth
Body design Maurice Phillippe and Colin Chapman
Major wins
1967 Dutch Grand Prix (Jim Clark in R2)
1967 British Grand Prix (Jim Clark in R2)
1967 USA Grand Prix (Jim Clark in R2)
1967 Mexican Grand Prix (Jim Clark in R1)
1968 South African Grand Prix (Jim Clark in R4)
1968 Spanish Grand Prix (Graham Hill in R1)
Engine
Configuration Ford Cosworth DFV 90º V8
Location Mid, longitudinally mounted
Weight 168 kilo / 370.4 lbs
Construction aluminium block and head
Displacement 2.993 liter / 182.6 cu in
Bore / Stroke 85.7 mm (3.4 in) / 64.8 mm (2.6 in)
Compression 11.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 410 bhp / 306 KW @ 9200 rpm
BHP/Liter 137 bhp / liter
Drivetrain
Chassis aluminium monocoque with front subframe and fully stressed engine
Front suspension lower wishbone, top lever arm, coil springs over dampers
Rear suspension reversed lower wishbones, top links, twin radius arms, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes Girling ventilated discs, all-round
Gearbox ZF 5DS-12 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 530 kilo / 1168.4 lbs
Length / Width / Height 4026 mm (158.5 in) / 1880 mm (74 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2413 mm (95 in) / 1524 mm (60 in) / 1549 mm (61 in)
Performance figures
Power to weight 0.77 bhp / kg
eneral specifications
Country of origin Great Britain
Chassis number R4 / R7
Numbers built 7
Produced from 1962 - 1963
Predecessor
Lotus 24 Climax
Successor
Lotus 33 Climax
Major wins
1962 Belgian Grand Prix (Jim Clark in R1)
1962 British Grand Prix (Jim Clark in R2)
1962 USA Grand Prix (Jim Clark in R3)
1963 Belgian Grand Prix (Jim Clark in R4)
1963 Dutch Grand Prix (Jim Clark in R4)
1963 French Grand Prix (Jim Clark in R4)
1963 British Grand Prix (Jim Clark in R4)
1963 Italian Grand Prix (Jim Clark in R4)
1963 Mexican Grand Prix (Jim Clark in R4)
1963 South African Grand Prix (Jim Clark in R4)
1964 Dutch Grand Prix (Jim Clark in R6)
1964 Belgian Grand Prix (Jim Clark in R6)
1964 British Grand Prix (Jim Clark in R6)
1965 French Grand Prix (Jim Clark in R6)
Engine
Configuration Coventry Climax FWMV 90º V8
Location Mid, longitudinally mounted
Construction aluminium alloy block and head
Displacement 1.495 liter / 91.2 cu in
Bore / Stroke 67.9 mm (2.7 in) / 51.6 mm (2 in)
Compression 11.5:1
Valvetrain 2 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 195 bhp / 145 KW @ 9500 rpm
Torque 160 Nm / 118 ft lbs @ 8000 rpm
BHP/Liter 130 bhp / liter
Drivetrain
Chassis fibreglass body on aluminium monocoque
Front suspension double wishbones, inboard coil springs over dampers
Rear suspension reversed lower wishbones, top links, twin radius arms, coil springs over dampers, anti-roll bar
Brakes Girling discs, all-round
Gearbox ZF 5DS-10 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 451 kilo / 994.3 lbs
Length / Width / Height 3553 mm (139.9 in) / 1548 mm (60.9 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2310 mm (90.9 in) / 1320 mm (52 in) / 1345 mm (53 in)
Performance figures
Power to weight 0.43 bhp / kg
Lotus 33 Climax
General specifications
Country of origin Great Britain
Numbers built 7
Produced from 1964 - 1965
Predecessor
Lotus 25 Climax
Major wins
1965 South African Grand Prix (Jim Clark in R10)
1965 Belgian Grand Prix (Jim Clark in R11)
1965 British Grand Prix (Jim Clark in R11)
1965 Dutch Grand Prix (Jim Clark in R9)
1965 German Grand Prix (Jim Clark in R11)
Engine
Configuration Coventry Climax FWMV 90º V8
Location Mid, longitudinally mounted
Construction aluminium alloy block and head
Displacement 1.495 liter / 91.2 cu in
Bore / Stroke 67.9 mm (2.7 in) / 51.6 mm (2 in)
Compression 11.5:1
Valvetrain 2 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 205 bhp / 153 KW
BHP/Liter 137 bhp / liter
Drivetrain
Chassis G.R.P. body on aluminium monocoque
Front suspension cantilever top arm, lower wishbone, inboard coil springs over dampers
Rear suspension reverse lower wishbones, top link, twin radius rods, coil springs over dampers, anti-roll bar
Brakes discs, all-round
Gearbox ZF 5DS-10 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 451 kilo / 994.3 lbs
Length / Width / Height 3604 mm (141.9 in) / 1650 mm (65 in) / 838 mm (33 in)
Wheelbase / Track (fr/r) 2335 mm (91.9 in) / 1396 mm (55 in) / 1421 mm (55.9 in)
Performance figures
Power to weight 0.45 bhp / kg
Lotus 38 Ford
General specifications
Country of origin Great Britain
Chassis number 38/1
Numbers built 8
Produced in 1965
Body design Len Terry for Lotus
Major wins
1965 Indy 500 (Jim Clark in 38/1)
Engine
Configuration Ford 90º V8
Location Mid, longitudinally mounted
Weight 180 kilo / 396.8 lbs
Construction aluminium block and head
Displacement 4.195 liter / 256 cu in
Bore / Stroke 96.5 mm (3.8 in) / 72.8 mm (2.9 in)
Compression 12.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Hilborn / Ford Fuel Injection
Aspiration Naturally Aspirated
Power 500 bhp / 373 KW @ 8400 rpm
BHP/Liter 119 bhp / liter
Drivetrain
Chassis aluminium monocoque
Front suspension double wishbones, inboard coil springs over dampers
Rear suspension reverse lower wishbones, top link, twin radius rods, coil springs over dampers, anti-roll bar
Brakes Girling ventilated discs, all-round
Gearbox ZF 2DS-20 2 speed Manual
Drive Rear wheel drive
Dimensions
Weight 612 kilo / 1349.2 lbs
Length / Width / Height 3959 mm (155.9 in) / 1853 mm (73 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2436 mm (95.9 in) / 1523 mm (60 in) / 1523 mm (60 in)
Performance figures
Power to weight 0.82 bhp / kg
Top Speed 322 km/h (200 mph)
Lotus 49 Cosworth
General specifications
Country of origin Great Britain
Chassis number R2 / R3 / R4
Numbers built 5
Produced in 1967
Successor
Lotus 49B Cosworth
Body design Maurice Phillippe and Colin Chapman
Major wins
1967 Dutch Grand Prix (Jim Clark in R2)
1967 British Grand Prix (Jim Clark in R2)
1967 USA Grand Prix (Jim Clark in R2)
1967 Mexican Grand Prix (Jim Clark in R1)
1968 South African Grand Prix (Jim Clark in R4)
1968 Spanish Grand Prix (Graham Hill in R1)
Engine
Configuration Ford Cosworth DFV 90º V8
Location Mid, longitudinally mounted
Weight 168 kilo / 370.4 lbs
Construction aluminium block and head
Displacement 2.993 liter / 182.6 cu in
Bore / Stroke 85.7 mm (3.4 in) / 64.8 mm (2.6 in)
Compression 11.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Aspiration Naturally Aspirated
Power 410 bhp / 306 KW @ 9200 rpm
BHP/Liter 137 bhp / liter
Drivetrain
Chassis aluminium monocoque with front subframe and fully stressed engine
Front suspension lower wishbone, top lever arm, coil springs over dampers
Rear suspension reversed lower wishbones, top links, twin radius arms, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes Girling ventilated discs, all-round
Gearbox ZF 5DS-12 5 speed Manual
Drive Rear wheel drive
Dimensions
Weight 530 kilo / 1168.4 lbs
Length / Width / Height 4026 mm (158.5 in) / 1880 mm (74 in) / 787 mm (31 in)
Wheelbase / Track (fr/r) 2413 mm (95 in) / 1524 mm (60 in) / 1549 mm (61 in)
Performance figures
Power to weight 0.77 bhp / kg
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