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The Porsche 911L (Lux) was introduced in model year 1968 in both Europe and the United States in coupe and targa variants. Approximately 1,610 samples were produced in total, of which 1,169 were coupes, and 575 were Targas. For the 1969 model year, the 911L would cease to exist, paving the way for a new mid-tier offering in Europe and the US, the 1969 911E, and for the higher-end 1969 911S in North America.
The 911T Coupe and Targa continued as the entry level 911 for 1972 and 1973. As with the higher-end E and S variants, Porsche upgraded the 911T to a new, larger 2.3 L engine, commonly known as the "2.4 L" engine. With the power and torque increase, the 2.4-liter cars also got the newer and stronger transmission. Non-US versions (ROW), were carbureted and featured the Type 911/57 engine, rated at 130 hp. US-spec 911T's had engine Type 911/51 and were rated at 140 hp.
Based on the 911S, the 911 R was produced by Porsche to compete in the FIA’s GT 2.0 category. To make it competitive, the 911R was powered by a flat-six engine, Type 901/22 from the Porsche 906, capable of 210 hp. It went on a diet too, with weight savings coming from everywhere, getting the 911 R down to just 1,800 pounds dry. Four prototypes were constructed after which Porsche had coachbuilder Karl Baur build another 20 customer cars. In the end, because of the modifications to the 911R, the FIA refused to homologate the car.
Porsche developed the S/T, of which 33 were built in 1970 and 1971, taking full advantage of new FIA rules allowing a two-inch wider track. Accordingly, wheel arches were widened to accommodate seven-inch front and nine-inch rear wheels. Weight reduction was even more radical, including thinner-gauge steel for the roof and floorpans. Heating ducts, seat slide supports, the glove-box lid, ashtray, sun visors and rear torsion-bar covers were deleted.
The first generation of the Porsche 911 begins in late 1964 and goes through 1968. The "base" model was an instant hit. During this period, Porsche would make continuous improvements and tweaks to the body, to its short wheelbase (SWB) chassis, and to its 2.0 liter flat six engine. Model year 1968 would be the last for the early 911, a transition that would begin with the introduction of the higher output 911S in 1967, followed by the 911L and a new entry level 911T in 1968, and finally, the 911E in 1969. The base 911 was available as both a Coupe and Targa (starting in '67).
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To homologate the 1968 911 for competition purposes, Porsche began with the Spartan 911 T which were a full 54 kg (118 pounds) lighter than their 'S' siblings. Porsche offered clients the opportunity to buy a 911 T outfitted with competition equipment directly from the factory, and the resulting cars have become known as the 911 T/R. They were built in low quantities to a range of specifications depending on their intended competition purposes.
Revealed at the 1972 Paris Auto Show, the Carrera 2.7 RS was a special model used to homologate the 911 in Group 4 racing. Developed from the 911S, the 2.7 was more potent in almost every area. Compared to the standard Carrera, the 2.7 RS featured a larger engine, wider flares to accommodate the Fuchs alloy wheels, stiffened suspension, larger brakes and a ducktail rear spoiler. The Touring outsold the Lightweight, with a total of 1380 units built (the Lightweight had only 200 units).
Southern California Porsche dealer Johnny von Neumann knew what his customers wanted, and a Targa top Targa 911 wasn’t it. With Porsche’s approval, he hired designer Nuccio Bertone to create a one-off 1966 Porsche 911 Spyder, in hopes of launching low-volume production. Just one example was constructed.  The engine incorporated a vertically-mounted cooling fan, a 9.1:1 compression ratio and two triple-choke 40PI Solex carburettors. Peak output was 130bhp at 6100rpm and 174lb-ft at 4200rpm. Transmission was via a Type 901 five-speed gearbox and single-plate clutch.
In 1963 Porsche introduced their seminal 901 at the 911 at the Frankfurt Motor Show which would be renamed 911 for the 1964 model year. The new car was sold alongside the 356C as an alternative with more power and room for a rear seat. At the 1963 Frankfurt show the public saw Porsches new direction. Compared to the 356 it had a longer wheelbase, a more compact suspension setup and much more power from the flat-6 engine.
Put most simply, a 912 is essentially a 911-style body mated with a 356-derived 4-cylinder engine. The 356 was Porsche’s first mass-marketed sports car. The Porsche 911 is the most successful sports car of all time. the new 912 came equipped with 90HP motor was a slightly detuned version of the 95HP motor that had powered its predecessor, the 356SC. However, despite this reduction of power, and despite the 912 being a heavier car, it was actually faster than the 356SC thanks to more streamlined aerodynamics and a more advanced suspension system.
In 1967 the A-Series Porsche production line was divided into the entry-level 911T, the standard 911 L for Lux and the sporting 911S. The 911L was effectively the 911 2.0 from previous years with only very minor updates such as new door handles, a brushed aluminum dashboard, a black steering wheel and other very minor details. In Europe, where it was considered the midrange model it featured engine Type 901/06 (Type 901/07 with Sportomatic) rated at 130 hp. In North America, the 911L was the highest level offering.
The final early 911S befitted from Porsche's 2.4-liter engine the the long-wheel-base body. As such it is one of the final classic 911s before the 2.7 came out in 1973. Visually, the 2.4 range received a new chin on the front valence that was standard on the 911S and optional for the rest of the range. The S model had slight larger 6Jx15 Fuchs alloy wheels over the other models. The final early 911S benefitted from Porsche's 2.4-liter engine the the long-wheel-base body