Lotus Seven S4 Specs

(1971 - ) Technical Specifications
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Lotus Seven image

Key Specs

Petrol
79.2 cu-in
1298 cm3
Inline 4
70 HP
71 PS / 52 kW
67 lb-ft
92 Nm
99 Mph
160 km/h

Lotus Seven S4 Body, Model and Production details Lotus Seven S4 Body, Model and Production details

Body : Roadster
Num. of Doors : 2 doors

Lotus Seven S4 Engine Technical Data Lotus Seven S4 Engine Technical Data

Engine type - Number of cylinders : Inline 4
Engine Code : -
Fuel type : Petrol
Fuel System : 1 Weber carb
Engine Alignment : Longitudinal
Engine displacement : 79.2 cu-in / 1298 cm3
Bore x Stroke : 3.19 x 2.48 inches
81.00 x 63.00 mm
Number of valves : 8 Valves
Aspiration : naturally-aspirated
Compression Ratio : 9.00
Horsepower : 70 HP / 71 PS / 52 kW
@ 5700 rpm
Maximum torque : 67 lb-ft / 92 Nm
@ 5700 rpm
Drive wheels - Traction - Drivetrain : RWD
Transmission Gearbox - Number of speeds :
4 speed Manual Transmission Gearbox - Number of speeds
Transmission Relations
Final Drive Ratio: 3.77

Lotus Seven S4 Fuel Consumption (Economy), Emissions and Range Lotus Seven S4 Fuel Consumption (Economy), Emissions and Range

Fuel Tank Capacity : 9 gallons
34 L
7.5 UK gallons
Catalytic converter : No

Lotus Seven S4 Performance Lotus Seven S4 Performance

Top Speed : 99 Mph / 160 km/h
Acceleration 0 to 100 km/h (0 to 62 mph) : - s

Lotus Seven S4 Size, Dimensions, Aerodynamics and Weight Lotus Seven S4 Size, Dimensions, Aerodynamics and Weight

Wheelbase : 90 inches / 228.6 cm
Length : 146.3 inches / 371.6 cm
Width : 60.51 inches / 153.7 cm
Height : 42.76 inches / 108.6 cm
Front Axle : 48.78 inches / 123.9 cm
Rear Axle : 51.5 inches / 130.8 cm
Ground clearance : 6.5 inches / 16.5 cm
Aerodynamic drag coefficient - Cx : -
Curb Weight : 1310 lbs / 594 kg
Weight/Power Output Ratio : 8.4 kg/hp

Lotus Seven S4 Brakes, Tires, Steering and Suspension Lotus Seven S4 Brakes, Tires, Steering and Suspension

Front Brakes - Disc dimensions : Discs
(8.5 inches / 216 mm)
Rear Brakes - Disc dimensions : Drums
(8.5 inches / 216 mm)
Front Tyres - Rims dimensions : -/- R-
Rear Tyres - Rims dimensions : -/- R-
Steering : Rack and pinion. -
Steering wheel lock-to-lock : 2.800 turns
Front Suspension : Coil springs. Anti-roll bar.
Rear Suspension : Coil Springs. Watts linkage. De-Dion axle.
If you found an error in these specifications submit your correction here

How many horsepower (hp) does a 1971 Lotus Seven S4 have?
The 1971 Lotus Seven S4 has 71 PS / 70 bhp / 52 kW.

How much does a Lotus Seven S4 weighs?
The Lotus Seven S4 weighs 594 Kg / 1310 lbs.

What is the Lotus Seven S4 gas mileage?
The Lotus Seven S4 gas mileage is .

What engine is in Lotus Seven S4?
The Lotus Seven S4 has a Inline 4, Petrol engine with 1298 cm3 / 79.2 cu-in capacity.

What are the dimensions of the Lotus Seven S4?
The Lotus Seven S4 is 146.3 inches / 371.6 cm long, 60.51 inches / 153.7 cm wide, and 42.76 inches / 108.6 cm tall, with a wheelbase of 90 inches / 228.6 cm.