The Porsche 911 Coupe (F) 2.3 E, produced from 1972 to 1973, represents a pivotal point in the evolution of Porsche’s iconic sports car. Falling within the “F” series of the original 911 generation (1964-1973), the 2.3 E was positioned as a performance-oriented variant, bridging the gap between the base 911T and the more potent 911S. It was designed to offer a blend of usability and exhilarating driving dynamics, appealing to enthusiasts seeking a refined sports car experience. This model benefited from the ongoing development of the 911 platform, incorporating improvements in engine technology and chassis refinement.
Technical Specifications
| Brand | Porsche |
| Model | 911 |
| Generation | 911 Coupe (F) |
| Type (Engine) | 2.3 E (165 Hp) |
| Start of production | 1972 |
| End of production | 1973 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (combined) | 9.5 l/100 km |
| Fuel consumption (US mpg) | 24.8 US mpg |
| Fuel consumption (UK mpg) | 29.7 UK mpg |
| Fuel consumption (km/l) | 10.5 km/l |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.9 sec |
| Acceleration 0 – 62 mph | 7.9 sec |
| Acceleration 0 – 60 mph | 7.5 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Weight-to-power ratio | 6.5 kg/Hp |
| Weight-to-torque ratio | 5.4 kg/Nm |
| Power | 165 Hp @ 6200 rpm |
| Power per litre | 70.5 Hp/l |
| Torque | 199 Nm @ 4500 rpm (146.77 lb.-ft. @ 4500 rpm) |
| Maximum engine speed | 7100 rpm |
| Engine layout | Rear, Longitudinal |
| Engine Model/Code | 901.1, 911.1 |
| Engine displacement | 2341 cm3 (142.86 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 70.4 mm (2.77 in.) |
| Compression ratio | 8:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1075 kg (2369.97 lbs.) |
| Max. weight | 1400 kg (3086.47 lbs.) |
| Max load | 325 kg (716.5 lbs.) |
| Trunk (boot) space – maximum | 200 l (7.06 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Permitted trailer load with brakes (12%) | 600 kg (1322.77 lbs.) |
| Permitted trailer load without brakes | 480 kg (1058.22 lbs.) |
| Length | 4163 mm (163.9 in.) |
| Width | 1610 mm (63.39 in.) |
| Height | 1320 mm (51.97 in.) |
| Wheelbase | 2271 mm (89.41 in.) |
| Front track | 1372 mm (54.02 in.) |
| Rear (Back) track | 1354 mm (53.31 in.) |
| Ride height (ground clearance) | 150 mm (5.91 in.) |
| Minimum turning circle (turning diameter) | 10.7 m (35.1 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 4 gears, manual transmission |
| Front suspension | Spring Strut, Wishbone |
| Rear suspension | Trailing arm |
| Front brakes | Ventilated discs, 235 mm |
| Rear brakes | Ventilated discs, 244 mm |
| Steering type | Steering rack and pinion |
| Tires size | 185/70 R15 |
| Wheel rims size | 6J x 15 |
Powertrain & Engine Architecture
The heart of the 911 Coupe 2.3 E is its 2341cc air-cooled, flat-six engine. Designated with engine codes 901.1 and 911.1, this engine featured a compression ratio of 8:1 and utilized Bosch mechanical multi-port fuel injection – a significant upgrade over the carburetors found in earlier 911 models. This fuel injection system, combined with a revised camshaft profile, contributed to the engine’s increased power output of 165 horsepower at 6200 rpm and 199 Nm (146.77 lb-ft) of torque at 4500 rpm. The engine’s boxer configuration, with horizontally opposed cylinders, provided a low center of gravity, enhancing handling characteristics. The 2.3 E was exclusively offered with a four-speed manual transmission, delivering power to the rear wheels. The transmission was known for its robust construction and precise shift feel.
Driving Characteristics
The 911 2.3 E offered a distinct driving experience. While not as raw or demanding as the 911S, it provided a noticeable step up in performance compared to the base 911T. The increased horsepower and torque, coupled with the responsive fuel injection, resulted in brisk acceleration – 0 to 60 mph in approximately 7.5 seconds – and a top speed of 136.7 mph. The car’s rear-engine layout and relatively lightweight construction (approximately 2370 lbs) contributed to its unique handling characteristics. Drivers experienced a combination of agility and stability, although the rear-weight bias required careful throttle control, especially in wet conditions. The four-speed manual transmission offered precise gear changes, allowing drivers to fully exploit the engine’s power band.
Equipment & Trim Levels
The 911 2.3 E was positioned as a well-equipped sports car. Standard features included comfortable bucket seats, a leather-wrapped steering wheel, and a comprehensive instrument cluster. The interior was relatively spartan but functional, reflecting the car’s focus on driving enjoyment. Optional extras included a sunroof, power windows, and upgraded audio systems. Exterior options included a variety of paint colors and wheel styles. The “E” designation indicated a higher level of refinement compared to the “T” model, with improved interior trim and sound insulation.
Chassis & Braking
The 911 2.3 E utilized a robust chassis with independent suspension on all four wheels. The front suspension featured spring struts and wishbones, while the rear suspension employed trailing arms and torsion bars. This suspension setup provided a good balance of ride comfort and handling precision. Braking duties were handled by ventilated disc brakes on all four wheels, offering ample stopping power for the car’s performance capabilities. The braking system was unassisted, requiring a firm pedal effort.
Market Reception & Comparison
The 911 2.3 E was generally well-received by automotive critics. It was praised for its improved performance, refined handling, and comfortable interior. Compared to the 911T, the 2.3 E offered a significant power boost and a more engaging driving experience. However, it was less expensive and slightly less powerful than the top-of-the-line 911S. Fuel economy was reasonable for a sports car of its era, averaging around 24.8 US mpg. Reliability was generally good, although the air-cooled engine required regular maintenance to prevent overheating and oil leaks.
Legacy
The Porsche 911 Coupe (F) 2.3 E holds a significant place in the history of the 911. It represented a refinement of the original 911 formula, offering a compelling blend of performance, comfort, and style. Today, these cars are highly sought after by collectors and enthusiasts. The 2.3 E’s air-cooled engine and classic Porsche design make it a desirable and rewarding vehicle to own. While maintenance can be more involved than with modern cars, the 911 2.3 E continues to provide a unique and exhilarating driving experience, embodying the spirit of Porsche’s iconic sports car.
