The 1972 Porsche 911t marked a significant year in the evolution of the iconic 911. Continuing its role as the entry-level model, the 911T sat comfortably beneath its more powerful siblings, the 911E and 911S. However, for the 1972 and 1973.5 model years, the “T” received a substantial upgrade that enhanced its appeal and performance: the introduction of the larger 2.4-liter engine. This update wasn’t just about increased displacement; it brought with it a host of improvements that solidified the 1972 Porsche 911T’s place in Porsche history.
The 2.4-Liter Engine Revolution
The most notable change for the 1972 model year was the adoption of the 2,341 cc (2.3 L) engine, widely recognized as the “2.4 L.” This engine upgrade was shared across the 911 range, benefiting the E and S models as well. The larger engine translated directly into more power and torque, fundamentally changing the driving experience of the 911T. Accompanying this engine enhancement was the introduction of the robust Type 915 gearbox, a stronger transmission designed to handle the increased output.
Engine specifications for the 1972 Porsche 911T varied depending on the market. Rest-of-World (ROW) versions were equipped with carburetors and the Type 911/57 engine, producing a healthy 130 horsepower. Meanwhile, models destined for the United States market utilized mechanical fuel injection (MFI) and the Type 911/51 engine, which delivered a slightly higher output of 140 horsepower. This difference in fuel delivery systems reflected Porsche’s efforts to meet varying emissions regulations while maintaining performance.
In early 1973, a further refinement occurred for US-spec 1972 Porsche 911T models, often designated as 1973.5 or 911 T/E. These versions transitioned to Bosch CIS (Continuous Injection System) fuel injection, paired with the Type 911/91 engine (or Type 911/96 with Sportomatic transmission). This change to CIS injection maintained the 140 horsepower output of the US-spec models while achieving even lower emissions, demonstrating Porsche’s commitment to performance and environmental responsibility. The 1972 Porsche 911T was available in both Coupe and Targa body styles, offering open-top and closed configurations to suit driver preferences.
1972: The E-Series Enhancements
The 1972 model year falls under what is known as the E-Series for the 911. These 2.4-liter 911s, including the 1972 Porsche 911T, were offered as both Coupes and Targas, with the T, E, and S variants representing different levels of performance and equipment. While the body and suspension remained largely consistent, a subtle but significant change was made to the wheelbase. By relocating the rear suspension mounting points, Porsche increased the wheelbase by 3mm. This seemingly minor adjustment resulted in improved suspension travel and a more comfortable ride quality, a welcome enhancement for the entry-level 911T. Optional upgrades for the chassis included Boge hydro-pneumatic shocks and stylish 15-inch Fuchs alloy wheels, allowing buyers to personalize their 1972 Porsche 911T.
The 2.4-liter engines themselves were a significant leap forward. Beyond the increased displacement, these engines incorporated numerous internal improvements. New camshafts, shorter and lighter connecting rods, reduced-height piston crowns, enhanced porting, a fully counter-balanced crankshaft, a reinforced crankcase around the main bearings, and a new forged crankshaft all contributed to greater power, increased torque, improved efficiency, and reduced emissions.
A Signal Yellow 1972 Porsche 911T Coupe showcasing its classic lines and Fuchs wheels.
All 2.4-liter 911s, including the 1972 Porsche 911T, benefited from the new Type 915 gearbox. This transmission marked a departure from the previous dogleg first gear arrangement, adopting a conventional H-pattern shift pattern, which was more intuitive for many drivers. The 911T was offered with a four-speed manual gearbox as standard. The Sportomatic semi-automatic transmission remained an available option for those seeking clutchless shifting. Interestingly, Sportomatic-equipped 911Ts had different engine types: the carbureted version used the Type 911/67, while the fuel-injected US-spec model used the Type 911/61.
Cosmetic changes also distinguished the E-series 911s. A notable feature was the repositioned oil filler cap, located behind the right-hand door and accessible via a button on the door pillar. This change, while visually distinctive, proved somewhat controversial due to fuel being occasionally added to the oil tank by mistake. Other universal updates included a black engine grille replacing the previous aluminum version and gunmetal model script instead of anodized gold badging. A larger driver’s side wing mirror was fitted for improved visibility, although a passenger-side mirror remained an optional extra.
Production of the 1972 Porsche 911T began in August 1971 and continued for twelve months. During this period, Porsche produced 4,894 911 T Coupes and 3,344 911 T Targas for the 1972 model year, demonstrating the model’s continued popularity.
1973: The F-Series Refinements
The 1973 model year 911, known as the F-Series, brought further refinements to the 1972 Porsche 911T’s evolution. Responding to customer feedback, Porsche relocated the oil filler back to the traditional location. Cosmetic changes included black horn grilles and supplementary light surrounds, replacing the chrome finish of previous years. US models also gained black rubber overrider pads on the bumpers, a result of new US safety regulations.
A classic 1972 Porsche 911T Targa, highlighting the removable roof panel and iconic styling.
A significant technical change in January 1973 saw the fuel-injected US-spec 911T transition to the Bosch K-Jetronic Continuous Injection System, along with new camshafts. This move further optimized fuel delivery and emissions. Production of the F-series 911, including the 1972 Porsche 911T carried over into 1973, continued until July 1973. In total, 5,071 coupes and 3,594 targas were produced as 1973 model year cars, indicating the enduring appeal of the 911T even as it approached its next major iteration.
The Lasting Legacy of the 1972 Porsche 911T
The 1972 Porsche 911T is more than just an entry-level classic 911; it represents a pivotal point in the model’s history. The introduction of the 2.4-liter engine and the 915 gearbox elevated its performance and driving dynamics significantly. Whether in Coupe or Targa form, and in either carbureted or fuel-injected specification, the 1972 Porsche 911T offers a compelling blend of classic 911 character and enhanced usability. Its combination of increased power, improved handling (due to the long wheelbase), and refined features makes it a sought-after model for Porsche enthusiasts and collectors alike, representing a sweet spot in the early evolution of the legendary 911.
