Porsche 911 Turbo User Handbook Manual page 6

Porsche races ahead. The 911 Turbo legend begins.
The first turbocharged Porsche In 1974, the first 911 Turbo was
race car debuted in 1972. Fitted unveiled. Arriving in the midst of
with a 12-cylinder, 5-liter engine, the a global oil crisis, it was a bold
legendary Porsche 917/10 fielded statement—and looked the part.
a twin-turbo design to produce Wider wheel arches were sculpted
a colossal 1,000 horsepower to accommodate tires that were
and a North American CanAm large enough to handle 256 lb.-ft. of
championship. One year later, the torque—the highest ever achieved
917/30 became the most powerful by a 3-liter engine at the time.
racing Porsche of all time with a
5.4-liter, 1,100-hp engine that Aerodynamic refinements were also
proved practically unbeatable. In essential requirements, given its
typical Porsche fashion, this race- prodigious engine performance.
bred technology found its way These included a fixed front spoiler
into our production models. and the now-legendary rear wing,
The 1976 911 Turbo 3.0; the new 911 Turbo
which helped to keep the tires
firmly planted at speed. Producing
260 horsepower, the original
911 Turbo could sprint from
0–62 mph in 5.5 seconds.
Maximum torque output of
256 lb.-ft. was unprecedented in
a 3-liter engine, necessitating
other innovations such as
reinforced gears.
Cooler, faster, stronger.
The first evolution of the Porsche
911 Turbo arrived in 1978 with
several notable advances. A larger
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3.3-liter engine was the first to Tour de force.
feature an intercooler, which
further improved the engine's Evolution gave way to revolution
intake air density and helped it in 1996 with the introduction
break the 300-hp barrier. Brake of the 911 Turbo's Type 993
performance was also enhanced successor, which set a range
by combining four-piston, fixed of new benchmarks in supercar
aluminum calipers with cross- performance. A unique all-wheel-
drilled discs. drive system with rear-axle bias
improved 911 driving dynamics
In 1987, the 911 Turbo was joined while retaining its classic
by two open-topped models—the handling characteristics. Twin
first 911 Turbo Cabriolet and the exhaust turbochargers offered
911 Turbo Targa. In 1991, Porsche improved throttle response and
launched the last 911 Turbo with a more fluid buildup of power.
dedicated rear-wheel drive. Based The last 911 Turbo to feature
on the Type 964 platform, it used an air-cooled engine design, it
a 3.6-liter engine to achieve created a maximum output of
a major boost in output— 408 horsepower.
360 horsepower.
The 911 Turbo I An Overview
A new millennium.
The first water-cooled 911 Turbo
debuted in the year 2001. This
radically new 3.6-liter power plant
used patented VarioCam Plus
technology to drastically reduce
fuel consumption while increasing
output to 420 horsepower.
The first 911 Turbo to couple
all-wheel drive with an optional
Tiptronic S transmission, it raced
from 0–62 mph in 4.2 seconds
with a top track speed of 193
mph. Five years later, a Turbo S
version of the 911 Type 996
boosted power to 450 horsepower.
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