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| General Information |
| Make |
Lotus |
| Model |
Seven S4 |
| Production Year |
1970 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
2S RDSR |
| Number of Doors |
2 |
| Wheelbase |
2286 mm (90 in) |
| Front Track |
1245 mm (49 in) |
| Rear Track |
1321 mm (52 in) |
| Length |
3702 mm (145,7 in) |
| Width |
1537 mm (60,5 in) |
| Height |
1124 mm (44,3 in) |
| Ground Clearance |
114 mm (4,5 in) |
| Length / Wheelbase Ratio |
1,62 |
| Weight |
590 kg (1299,6 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
34,1 litre (7,5 Imp gal , 9 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
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| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
S-4 |
| Valves per Cylinder |
2 (Total of 8 Pieces) |
| Engine Displacement |
1599 cc (97,58 cu in) |
| Bore |
80,96 mm (3,19 in) |
| Stroke |
77,6 mm (3,06 in) |
| Bore / Stroke Ratio |
1,04 |
| Unitary Capacity |
399,75 cc/cylinder (24,39 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
9 : 1 |
| Fuel System Type |
1 We carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
86 HP (64,1 kW) |
| Maximum Engine Power rpm |
5500 d/d |
| Maximum Engine Torque |
125 N.m (92,2 lb.ft , 12,8 kg.m) |
| Maximum Engine Torque rpm |
4000 d/d |
| Engine Torque at Max. Engine Power rpm |
111,3 N.m (5500 d/d) |
| Power / Weight Ratio |
145,8 HP/ton (108,7 W/kg) |
| Power / Engine Displacement Ratio |
53,8 HP/litre (40,1 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
3,77 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
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| Steering Turns (lock to lock) |
2,8 |
| Turning Circle Diameter |
9,1 m (29,9 ft) |
| Suspension (front) |
I.CS. |
| Suspension (rear) |
LA.CS. |
| Brakes (front/rear) |
Di/Dr |
| Brake Disc Diameter (front) |
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| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
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| Tyres (rear) |
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