Porsche 911 GT3 RSR - 2004

New 911 GT3 RSR to Ensure Superiority in Near-Standard GT Sport

For the 2004 racing season, Porsche Motorsport presents its racing customers with the new
911 GT3 RSR. This near-standard racing sportscar aims to keep private customer teams
competitive in international Gran Turismo sport in 2004 and continue the success of the
predecessor models (911 GT3 R and RS). The GT3 R/RS won their class at the Le Mans 24
Hours five times in succession, became a record and title winner in the American Le Mans
Series as well as the FIA GT Championship, and secured the overall win at the 2003 Daytona
24 Hour race.

Based on the new road-going 911 GT3 RS, a particularly light and sporty version of the 911
which was presented to the public for the first time at the Frankfurt Motor Show (IAA), the GT3
RSR features improvements on last year's model in all key areas. The vehicle is available in
an ACo (Automobile Club de l`ouest) version for competing in Le Mans and in the American
Le Mans Series (ALMS), as well as in a FIA specification.

The six-point safety belt and racing bucket seat underwent modifications to integrate the Head
and Neck Support System (HANS), which helps prevent head and neck injuries. This system
is mandatory in the FIA GT Championship for 2004.

The 911 GT3 RSR features a modified front which further improves downforce at the front axle
compared to its forerunner.

The 3.6-litre, six-cylinder boxer engine delivers 445 hp at 8,250 revs. Maximum torque is now
405 Nm at 7,200 rpm, with top revs reached at 8,500 (FIA specification with two 30.8 mm air
restrictors).

New pistons and rods as well as a completely reworked valve gear result in the moderate
power increase with the focus on further-improved driveability and durability. A newly designed
air intake generates increased ram pressure and prevents hot air from the engine periphery
entering the combustion chambers.

A six-speed sequential gearbox with ignition cut ensures quick gearshifts at full throttle and
offers reliable protection of the gearbox from driver error.

The racing suspension, with McPherson struts in the front and the Porsche multi-link axle at
the rear, features new kinematics thanks to new wheel-uprights and modified mounting points.
Further improved turning-in and reduced tyre wear are the most obvious results of these
modifications.

The double springs adjustable to four settings, the adjustable shock absorbers and anti-roll
bars as well as unibal joints ensure a precise set-up to suit each circuit. The brake system
features four-piston aluminium callipers on all wheels with discs measuring 380 mm in
diameter in the front and 355 mm at the rear.

Weighing 1,100 kgs (FIA specification) or 1,115 kgs (ACo-spec) the 911 GT3 RSR sits at the
minimum weight limit.

Porsche Motorsport delivers the first vehicles in December 2003.

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Tack till Martin

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