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Porsche 911 GT3 | evo REVIEW
Porsche 911 GT3 | evo REVIEW
::2013/08/21::
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New Porsche 991 GT3. First Drive. - /CHRIS HARRIS ON CARS
New Porsche 991 GT3. First Drive. - /CHRIS HARRIS ON CARS
::2013/06/12::
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Porsche 911 GT3 vs Aston Martin V12 Vantage S on track
Porsche 911 GT3 vs Aston Martin V12 Vantage S on track
::2014/03/06::
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2013 Porsche 911 GT3 tested by www.autocar.co.uk
2013 Porsche 911 GT3 tested by www.autocar.co.uk
::2013/06/27::
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On the Road / Exhaust Sound : NEW Porsche 911 GT3 (Option Auto)
On the Road / Exhaust Sound : NEW Porsche 911 GT3 (Option Auto)
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Porsche 911 GT3 vs Cayman GTS | evo TRACK BATTLE
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Porsche GT3, Aston Martin V12 Vantage S, Mercedes C63 AMG Black Series - /CHRIS HARRIS ON CARS
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::2014/02/12::
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140612 - Ride in a Nur Taxi Porsche 911 GT3 (991)
140612 - Ride in a Nur Taxi Porsche 911 GT3 (991)
::2014/06/12::
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2014 Porsche 911 GT3 - Start Up, Sound and more
2014 Porsche 911 GT3 - Start Up, Sound and more
::2013/06/05::
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The Porsche 911 GT3: Feast for the Senses
The Porsche 911 GT3: Feast for the Senses
::2013/08/28::
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Nürburgring lap: Porsche 911 GT3 RS 4.0
Nürburgring lap: Porsche 911 GT3 RS 4.0
::2013/10/14::
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Porsche 911 GT3 (991) 2014 Engine Sound Sport Exhaust
Porsche 911 GT3 (991) 2014 Engine Sound Sport Exhaust
::2014/07/27::
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2014 Porsche 911 GT3 & Walter Röhrl! Plus Super Snake and Aventador! WOT Ep. 82
2014 Porsche 911 GT3 & Walter Röhrl! Plus Super Snake and Aventador! WOT Ep. 82
::2013/09/12::
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Porsche 911 GT3 RS 4.0 vs 911 Turbo PDK, 500 HP vs 500 HP
Porsche 911 GT3 RS 4.0 vs 911 Turbo PDK, 500 HP vs 500 HP
::2014/08/11::
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Tuthill Porsche 911 GT3 Rally Test: WRC Germany FIA RGT
Tuthill Porsche 911 GT3 Rally Test: WRC Germany FIA RGT
::2014/08/19::
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Porsche 911 GT3 2014 In depth review Interior Exterior
Porsche 911 GT3 2014 In depth review Interior Exterior
::2013/12/20::
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Porsche 911 GT3 2015 In Depth Review Interior Exterior
Porsche 911 GT3 2015 In Depth Review Interior Exterior
::2014/07/08::
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Porsche 911 GT3 RS 4.0 Review- eCOTY 2011
Porsche 911 GT3 RS 4.0 Review- eCOTY 2011
::2011/11/01::
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2014 Porsche 911 GT3 - Engineering video (in depth)
2014 Porsche 911 GT3 - Engineering video (in depth)
::2013/05/15::
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Porsche 997 911 GT3: The Manual Gearbox
Porsche 997 911 GT3: The Manual Gearbox's Last Gasp
::2013/11/11::
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Nordschleife Ringtaxi Porsche 911 GT3 991 (475 HP)
Nordschleife Ringtaxi Porsche 911 GT3 991 (475 HP)
::2014/06/05::
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2011 Porsche 911 GT3 RS Hot Lap! - 2011 Best Driver
2011 Porsche 911 GT3 RS Hot Lap! - 2011 Best Driver's Car Contender
::2011/09/02::
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2015 Porsche 911 GT3 RS spied
2015 Porsche 911 GT3 RS spied
::2014/08/01::
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Vergleich Porsche 911 Turbo vs. Porsche 911 GT3: Turbo oder GT3 - Welcher Elfer ist sportlicher?
Vergleich Porsche 911 Turbo vs. Porsche 911 GT3: Turbo oder GT3 - Welcher Elfer ist sportlicher?
::2009/12/03::
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The new Porsche 911 GT3 in-depth: Engine and Chassis
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::2013/03/13::
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0-300 km/h : Porsche 911 991 GT3 (Motorsport)
0-300 km/h : Porsche 911 991 GT3 (Motorsport)
::2014/01/13::
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Porsche 911 GT3, 911 Turbo And Cayman GTS Hard Launches, Drift And Track Action
Porsche 911 GT3, 911 Turbo And Cayman GTS Hard Launches, Drift And Track Action
::2014/08/05::
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2014 Porsche 911 GT3 -- 2013 Geneva Auto Show -- Edmunds.com
2014 Porsche 911 GT3 -- 2013 Geneva Auto Show -- Edmunds.com
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2014 Porsche 911 GT3 New Car For Sale - The Auto Gallery Los Angeles
2014 Porsche 911 GT3 New Car For Sale - The Auto Gallery Los Angeles
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::2014/06/02::
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Fifth Gear: BMW M3 GTS vs Porsche 911 GT3 RS
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::2011/07/15::
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Neu! Porsche 911 GT3 im Grenzbereich auf der Rennstrecke.
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Top Gear Porsche 911 GT3
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Lamborghini Aventador vs Corvette Z06 vs Porsche 911 GT3 RS 4.0 | DENKER.CZ
::2012/08/21::
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Ferrari 458 Italia vs 9ff GTurbo 750 Porsche 911 GT3 RS based x 2 races
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::2012/10/01::
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Porsche 911 GT3 im Test
Porsche 911 GT3 im Test
::2013/12/05::
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Onboard Porsche 911 GT3 vs Porsche 944 turbo
Onboard Porsche 911 GT3 vs Porsche 944 turbo
::2013/06/04::
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2010 Porsche 911 GT3 RS facelift - Extreme Truth
2010 Porsche 911 GT3 RS facelift - Extreme Truth
::2009/08/19::
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BMW RS-M3 vs Porsche 911 GT3 RS on the Nürburgring Nordschleife!
BMW RS-M3 vs Porsche 911 GT3 RS on the Nürburgring Nordschleife!
::2013/10/07::
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2011 Porsche 911 GT3 RS For Sale Columbus Ohio
2011 Porsche 911 GT3 RS For Sale Columbus Ohio
::2013/05/23::
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Tiff Needell Porsche 911 GT3 RS 4 0 Fifth Gear S20E05
Tiff Needell Porsche 911 GT3 RS 4 0 Fifth Gear S20E05
::2011/12/27::
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291 km/h with the NEW Porsche 991 GT3 (Option Auto)
291 km/h with the NEW Porsche 991 GT3 (Option Auto)
::2013/09/12::
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Porsche 911 GT3 Pure Sound [HD]
Porsche 911 GT3 Pure Sound [HD]
::2012/08/18::
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45
24h-Rennen Nürburgring Startrunde im Pirelli-Porsche 911 GT3 Cup by Dörr Motorsport
24h-Rennen Nürburgring Startrunde im Pirelli-Porsche 911 GT3 Cup by Dörr Motorsport
::2011/06/25::
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46
The new 2013/2014 Porsche 911 GT3
The new 2013/2014 Porsche 911 GT3
::2013/03/04::
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Porsche 911 GT3 RS
Porsche 911 GT3 RS
::2009/12/22::
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48
Sebastien Loeb Drive 2014 Porsche 911 GT3 Cup - Pure Sound
Sebastien Loeb Drive 2014 Porsche 911 GT3 Cup - Pure Sound
::2013/04/25::
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49
Limits pushed. The new Porsche 911 GT3.
Limits pushed. The new Porsche 911 GT3.
::2013/03/10::
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Porsche 911 GT3 (991) Accelerations
Porsche 911 GT3 (991) Accelerations
::2014/07/27::
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Porsche 911 GT3
20140207 - Black Porsche 991 GT3 - Club ASA - Circuit Pau-Arnos.jpg
Overview
Manufacturer Porsche
Production 1999–present
Assembly Stuttgart-Zuffenhausen, Germany
Body and chassis
Class Sports car
Body style 2-door coupé
Layout RR layout
Powertrain
Transmission 6-speed manual, 7-speed dual-clutch gearbox
Dimensions
Wheelbase 92.7 in (2,355 mm)[citation needed]
996
2003 Porsche 996 GT3 RS IAA Frankfurt.jpg
Overview
Production 1999–2005
Powertrain
Engine 3.6 L 360 hp (268 kW) H6, 3.6 L 380 hp (283 kW) H6
Dimensions
Length 174.6 in (4,435 mm)
Width 69.7 in (1,770 mm)
Height 50.2 in (1,275 mm)
997
2011 Black Porsche 997 GT3 RS 4.0 in SoHo NYC.jpg
Overview
Production 2006–2011
Powertrain
Engine 3.6 L 415 hp (309 kW) H6, 3.8 L 435 hp (324 kW) H6, 4.0 L 500 hp (373 kW) H6
Dimensions
Length 174.3 in (4,427 mm)
Width 71.2 in (1,808 mm)
Height 50.4 in (1,280 mm)
991
Geneva MotorShow 2013 - Porsche 911 GT3.jpg
Overview
Production 2013-present
Powertrain
Engine 3.8 L 475 hp (354 kW) H6
Dimensions
Length 178.94 in (4,545 mm)
Width 72.91 in (1,852 mm)
Height 49.96 in (1,269 mm)

The Porsche 911 GT3 is a higher performance version of the Porsche 911 sports car. It is a line of high-performance models, which began with the 1973 911 RS. The GT3 is named after the Fédération Internationale de l'Automobile (FIA) GT3 class it was designed to compete in.

A number of variations, designed for road and track duty, have been introduced since its launch in 1999. The 997 generation includes three road and several racing models (which are listed below). Since the start of the production in 1999, more than 14,000 911 GT3 cars have been produced. The 991 generation GT3 was introduced at the Geneva Motor Show 2013.

The GT3 has had a successful racing career in the one-make national Porsche Carrera Cup series, and the international Porsche Supercup. It has won championship and endurance races, including the GT class of the American Le Mans Series seven times, first overall in the 24 Hours of Daytona, and first overall at the 24 Hours Nürburgring six times.

Engine and transmission[edit]

996 GT3[edit]

The engine of the 996 GT3 set it apart from most of the other Porsche 996 models, although it shared the same basic design of the standard so-called "integrated dry-sump" flat-six engine. The engine is a naturally aspirated flat six-cylinder engine, based on the unit used in the Porsche 962 and Porsche 911 GT1 race cars. That engine was known as the 'Mezger' engine, after its designer Hans Mezger. The engine uses the original air-cooled 911's versatile, true dry-sump crankcase, with an external oil reservoir. The 996 GT3 has 360 PS (265 kW; 355 hp), compared to the 300 PS (221 kW; 296 hp) of the regular Porsche 996.

In GT3 configuration, this so-called "split" crankcase (meaning the parting line of crankcase is on the crankshaft centerline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the crankcase to cool banks of three cylinders with water pumped though a radiator. Thus, the GT3 engine is very similar to the completely water-cooled 962 racing car's engine, which is based on the same crankcase. The 962 differs, however, by using six individual cylinder heads while the GT1/GT3, like the air and water-cooled Porsche 959, uses two cylinder heads, each covering a bank of three cylinders. The GT3 engine could thus also be thought of as similar to a 959 engine, but with the water-cooled cylinders.

Up to early model year 2004 GT3 production, the basic casting used for the crankcase of the GT3 was the same as the air-cooled engine. The "964" casting number was visible on the bottom of the crankcase, and on areas normally machined in air-cooled applications, but not in water-cooled ones. The crankcase casting was changed in mid-2004 to a "996" casting number crankcase to eliminate these external air-cooled remnants, but internally it was the same.

Because the 911 air-cooled crankcase uses the Porsche 356 engine to transmission mounting flange configuration, the 996 GT3 used a manual gearbox also of air-cooled 911 heritage. This gearbox has interchangeable gear ratios and is more durable making it more suitable for racing than the standard 911 type 996 gearbox.

997 GT3[edit]

At 500 hp (373 kW),[1] the 4.0 litre flat-six engine in the 997 GT3 RS 4.0 is the most powerful six-cylinder naturally aspirated engine in any production car with a 125 hp (93 kW) per liter output.

991 GT3[edit]

For the first time in a GT3, the 991 GT3 used a variant of the direct fuel injection (DFI) engine used in models such as the Carrera and Carrera S. This departure from the race-proven 'Mezger' engine previously fitted has resulted in a halt in GT3 production following catastrophic engine failure in a number of customer vehicles, which in at least 2 instances resulted in the cars being engulfed in flames. Notably, the Mezger engine is still used in the GT3 Cup Cars.

Racing[edit]

Racing cars[edit]

2010 Porsche 997 GT3 R at the Autosport International Show.

The following race versions were or are offered:

  • 1998 996 GT3 Cup
  • 1999 996 GT3 R
  • 2000 996 GT3 Cup [2]
  • 2001 996 GT3 RS
  • 2004 996 GT3 RSR – with sequential gear box [3]
  • 2005 997 GT3 Cup [4]
  • 2006 997 GT3 RSR [5]
  • 2008 997 GT3 Cup S [6]
  • 2010 997 GT3 Cup[7]
  • 2010 997 GT3 R[8]
  • 2012 997 GT3 RSR[9]
  • 2013 991 GT3 Cup[10]
  • 2013 991 RSR
  • 2014 991 GT America

Apart from numerous class wins, the GT3 won major events overall:

Also, at the Nürburgring, the GT3 RS and modified versions (with 3.9 litre engine) win many VLN races.

The various national Porsche Carrera Cup series, and the international Porsche Supercup which is mainly run at Formula One events, also use the GT3 Cup.

997 GT3 Cup 3.8 (2009–2011)[edit]

A 997 GT3 Cup 3.8 (2009–2011) with Michelin livery on static display at Rennsport Reunion IV in Laguna Seca.

The 997 is a Porsche Carrera Cup race car based on 911 GT3 RS. It includes 44 mm (1.7 in) wider rear body, 15 mm (0.59 in) lower front spoiler lip, 1.70 m (67 in) rear wing (from 911 GT3 Cup S race car), LED taillights, racing exhaust system with a fully controlled catalytic converter, a modified special exhaust system offering more dynamic and muscular sound (from Porsche Mobil1 Supercup cars), Porsche Ceramic Composite Brakes. 9.5Jx18 front alloy wheels with 24/64-18 Michelin racing tyres and 12Jx18 alloy wheels with 27/68-18 tyres, additional Unibal joints on the track control arms and front and rear sword-shaped anti-roll bars with seven position settings each, additional vent in the upper part of the front lid, steering wheel mounted Info Display with 6 switches, Carrara White body. The vehicle was unveiled in 2009 Frankfurt Motor Show.

Production model began delivery in 2009–10. European model has base MSRP of €149,850 (before tax).[11]

997 GT3 R Hybrid[edit]

Porsche 911 GT3 R Hybrid – at 2010 Paris Motor Show.

The new Porsche 997 GT3 R Hybrid made its debut at the 2010 Geneva Motor Show. The hybrid technology featured in the car was developed by the Williams F1 Team and is based on their F1 kinetic energy recovery system (KERS) which they did not race in 2009.[12] Unlike other KERS that were developed for F1, the Williams system is based on using kinetic energy stored in a flywheel rather than batteries. The GT3-R has two electric motors, both developing a total output of at least 218 brake horsepower (163 kW), driving the front wheels to supplements the 500 brake horsepower (370 kW) four-litre flat-six engine at the rear.[13] It is planned to enter the car in the 2010 24 Hours Nürburgring.[14][15] As part of the build up to the 24 hour race the GT3 Hybrid made its racing debut at the VLN 4 hour endurance 57th ADAC Westfalenfahrt at Nürburgring on March 27, 2010.[16] On May 28, 2011, it won its first VLN race.[17] At the 2011 24 Hours of Nurburgring, weight/restrictor penalties as well as technical difficulties prevented the R Hybrid from climbing higher than 28th place. The car also ran as an unclassified car at the 2011 American Le Mans Series at Monterey event; despite starting from last place, it finished ahead of all the other GT cars and also performed the fastest GT lap of the race.

997 GT3 RSR (2006–2012)[edit]

Jörg Bergmeister driving the #45 Flying Lizard Motorsports Porsche 997 GT3 RSR in qualifying for the 2011 Petit Le Mans at Road Atlanta.

The Porsche 997 GT3 RSR was developed for the GT2 category and has a dry weight of 1,220 kg (2,690 lb) and 563 bhp (420 kW; 571 PS).[18] In 2007 Porsche had also installed front air louvers that channel air into the radiators and exit through the bonnet. For 2011 Porsche added splitters to the front and increased the tyre diameter to cope with the understeer problem. The 997 GT3 RSR has scored many class victories around the world, including first place finishes at the 2011 and 2013 Petit Le Mans.

991 GT3 Cup[edit]

Porsche introduced the 991 GT3 Cup for the 2013 Porsche Supercup season. Like the 991 road car, its improvements over the 997 model include revised aerodynamics, an improved rollcage, new wheels and a revised chassis. The 991 model retains the 3.8L flat-6 engine.[19]

991 RSR[edit]

In 2013, Porsche introduced the newest version of the RSR based on the 991 model for the LM GTE category.[20] Because the 991 GT3 was not in production at the time of the announcement, Porsche was forced to homologate it based on the 911 Carrera model. The 991 RSR includes revised aerodynamics, a lighter gearbox and a new, lower suspension.[21] For the 2013 season, Porsche retained the Metzger engine of the 997 GT3 RSR model. Manthey Racing was chosen to run the cars in the FIA World Endurance Championship; the team achieved its best success at the 2013 24 Hours of Le Mans where the 991 RSR finished 1-2 in the GT class.[22]

For 2014, Porsche announced that it partnered with CORE Autosport to run 2 Porsche 911 RSRs in the United SportsCar Championship (under the Porsche North America team name). Team Falken Tire also announced that it would be running a 911 RSR from Sebring onwards. Manthey Racing will continue to run two 911 RSRs in the WEC.

911 GT America[edit]

Porsche also announced a variant of the 991 GT3 Cup car for the United SportsCar Championship known as the 911 GT America.[23] The car is homologated exclusively for the Grand-Touring Daytona category of the series. Upgrades over the regular Cup car include improved aerodynamics, a bigger 4.0L flat-six engine, a new gearbox, a different safety cell, new brakes and reliability upgrades for endurance racing.

Racing history[edit]

1999[edit]

Due to the absence of the official Porsche team in the 1999 24 Hours of Le Mans, only privateers with the nearly obsolete air-cooled 993 GT2 Turbo were expected to represent the marque, with few chances to beat the Chrysler Viper for GTS class honors. Two new race versions of the water-cooled 996 GT3-R were entered in the GT class by private teams. The car entered by the German Manthey Racing team finished 13th overall.

2000s[edit]

The 996 GT3-R were made available to privateer teams. In the 24 Hours Nürburgring of the year 2000, a factory-backed effort of the local Phoenix team managed to beat the Zakspeed Chrysler Viper that dominated this race from 1998 to 2000. The improved 996 GT3-RS version of 2001 was entered in countless races in the years to follow, scoring not only many class wins, but also overall wins at Daytona and Spa in 2003. In 2004, the 996 GT3-RSR was made available, with numerous improvements to the RS, including a sequential gearbox, which allows for faster gearshifts.

VLN[edit]

In 2005, the new 997-generation racing vehicles began to debut with the GT3 Cup, followed by the launch of the 911 GT3-RSR at the 2006 Spa 24 Hours. In VLN endurance races, the Manthey entry won the last 4h race before the 24h event, and then the big event also. Their Porsche 997 GT3 RSR has a larger front splitter, taller rear wing and a 500 bhp 4.0L Flat-6 engine.

A Tafel Racing Porsche 997 GT3 RSR at the 2007 Generac 500.

Manthey is a favourite Porsche team in the 24h race. The driving squad of Timo Bernhard, Romain Dumas, Marc Lieb and Marcel Tiemann won for 4 consecutive years from 2006 to 2009. In 2008 they won after suffering from a leaky radiator early in the race which dropped them back 1 lap. The winner came from 1 lap down to nearly 2 laps ahead.

As a consequence of the 2009 air restricter regulations, the RSR lost 70 bhp, but Manthey won their 4th race.

In 2010, Manthey switched to the FIA GT3-spec Porsche 911 GT3 R. The car qualified 7th but was able to take 1st during the first lap and already on the grand prix circuit, before entering the Nordschleife. The car started to build the usual lead until a backmarker collided with the car, forcing it to retire. In 2011, Manthey began the race with a GT3 R and a GT3 RSR in identical livery and with the same drivers, retiring the GT3 R (used as option in case something happened with the RSR early on) after a couple of hours as it was clear that the RSR was the faster car in the long run.[24] The RSR went on to win the race and brought Manthey their 5th Nurburgring 24-hour victory.

In 2012, Manthey raced without Porsche factory support (Manthey press release) and downgraded to the GT3-spec Porsche 911 GT3 R. Battling for third position with a Team Heico Mercedes-Benz SLS AMG GT3 during the final minutes of the 24h race, the Manthey Porsche 911 GT3 R ultimately ran out of fuel, rolling across the start/finish line just seconds before the race ended. Ultimately, the slowly-rolling Porsche, whose driver was not able to restart the engine to drive another lap, was then struck by a Renault Clio, putting it out of the race. As a result of that, the best-finishing Porsche in the 2012 Nürburgring 24 hours was the privately entered 911 GT3 R of the Frikadelli Racing Team in 6th place overall, driven by Sabine Schmitz, Klaus Abbelen, Christopher Brück and Patrick Huisman.[25][26]

24 Hours of Le Mans[edit]

After winning the 1998 24 Hours of Le Mans outright, Porsche dominated the GT/N-GT class at Le Mans. There were no major competitors and Porsche took seven consecutive class wins from 1999 to 2005. In 2006 the Porsches led for much of the race but one by one the competitors hit bowel problems and withdrew. Last minute mechanical issues threw the Seikel car back behind the surprising winner Panoz Esperante.

2007 saw the debut of the 997 GT3 RSR. IMSA Matmut took pole by more than a second over the Ferrari (but lost it after breaching Parc Fermé rules). The new Porsche was now fitted with wider rear tyres and smaller restrictors than the rules allow. This was compensated by the car weighing 100 kg more. The Porsche now stood at 1220 kg and 485 bhp. This was an advantage at Le Mans over the lighter and nimbler F430.

Le Mans Series[edit]

Felbermayr-Proton and IMSA-Matmut received the new 997 just before the 2007 season. Marc Lieb and Richard Lietz share the better of the two Felbermayr cars. Patrick Pilet and Raymond Narac share the IMSA car. Felbermayr-Proton won the championship in 2009 and 2010. In 2011, Nicholas Armindo won the GTE-Am class.

Road cars[edit]

996 GT3[edit]

1999 Porsche 996 GT3.
1999 Porsche 996 GT3.
2005 Porsche 996 GT3.
2005 Porsche 996 GT3.

As with Porsche's 911 RS models, the GT3 was devoid of any unnecessary items that would add weight to the car. Sound deadening was almost completely removed, as were the rear seats, rear loud speakers, sunroof, and air conditioning, although automatic air conditioning and CD/radio became no-cost optional add-ons. In addition, Porsche offered a no-cost option called the Clubsport package. This option replaced the standard electrically adjustable leather front seats with manually adjustable racing buckets finished in fire-retardant fabric, single mass flywheel, bolt-in half-roll cage, 6-point drivers racing harness (also replacing the standard side airbags), fire extinguisher (mounted in the front passenger footwell) and preparation for a battery master switch. The Clubsport option was never offered to US customers ostensibly due to the additional DOT crash testing that would have been required to allow US sales. Between 1999 and 2001 a total of 1,868 cars were built.

To bring the vehicle's track-prowess to the maximum level, Porsche endowed the GT3 with enlarged brakes, a lowered, re-tuned suspension system, lighter-weight wheels and a new front bumper with matched rear spoiler to help increase downforce, thereby increasing grip.

Porsche made significant updates to the GT3 for 2004, the first year the car was offered to US customers. Horsepower was raised to 381 hp (284 kW) and torque to 284 lb·ft (385 N·m), 80% of which was available from 2,000 rpm. The braking setup was upgraded, now featuring 6-piston calipers on the front (rears remained 4-piston), and the Porsche Ceramic Composite Brake system was offered as an option. The new car also was updated to the 2002 911 facelift including headlights that were differentiated from the Boxster. The engine alone costs approximately 36,000 GBP as a replacement from Porsche due to the cost of the titanium parts.

In track testing by American automotive journals, the GT3 managed a 0-60 mph time of 4.5 seconds and a quarter mile time of 12.0 seconds at 118 miles per hour (190 km/h). During skidpad testing the vehicle posted 1.03g. Porsche introduced a revised 911 GT3 RS to the European market in 2003, marking the last revision of the 996 platform car before its discontinuation in 2005.

Porsche's official test-driver Walter Röhrl completed the Nürburgring Nordschleife with the 996 GT3 in 7 minutes 56 seconds, a feat which was used by Porsche to promote the car. Later, with the 996 GT3 RS, he managed 7 minutes 43 seconds.[27]

996 GT3 RS[edit]

Porsche 996 GT3 RS.

The Porsche 911 GT3 RS is a high-performance sports car built by Porsche since 2003. It is often confused with the Porsche 911 GT3 RSR racecar of 2001 and later, which was based on the Porsche 911 GT3 R of 2000.

The RS (short for the German RennSport, literally "racing sport" in English) is mainly a carryover of the Porsche 911 GT3, albeit it is lighter thanks to a polycarbonate rear window, carbon fiber hood and rear wing. Porsche Ceramic Composite Brake (PCCB) Carbon fibre-reinforced Silicon Carbide (C/SiC) ceramic composite brakes, which are also more heat and fade resistant than the cast iron units fitted as standard, are optional.

The RS has a slightly different engine specification to the GT3. The cylinder heads of the GT3 RS have reshaped intake and exhaust ports for race homologation. Porsche claim the same 381 hp (284 kW) power output as the standard GT3 but Porsche's control dyno showed a jump to nearly 400 hp (298 kW)

One of only 140 right hand drive GT3 RS.

The RS has progressive springs rather than linear. The dampers are uprated and are between 10 and 15 percent stiffer than the normal GT3 in bounce and rebound.

The wheel carriers are totally redesigned to maximize the improved dynamic camber control. The suspension top mounts can be turned 120 degrees to a cup car position. Both front and rear control arms are adjustable. The RS is 3 mm (0.1 in) lower than the standard car.

The RS rear wing delivers 35 kg (77 lb) of downforce at 125 mph (201 km/h). The RS has ram air ducts on the engine bay which force air into the intake with 18Mb of pressure at 187 mph (301 km/h) and this is enough to create an additional 15 bhp (11 kW; 15 PS). That extra bhp cannot be homologated since the official engine output figures are certified on a dyno.

Only 140 right hand drive GT3 RS cars were built by Porsche and 113 of those were officially imported into to the UK. The GT3 RS was not sold in USA or Canada.

The original Porsche 996 GT3 RS had a production run from 2003 to 2005. The "RS" moniker, and the characteristic lightweight blue or red wheels and "GT3 RS" side stickers link the GT3 RS to historically important Porsches such as the Carrera 2.7 RS of the early 1970s.

Automobile magazines claim the GT3 RS can accelerate from 0-60 mph in about 4.3 seconds, maintain over 1.0g on the skidpad, and have a top speed of around 190 mph (306 km/h).

997 GT3[edit]

2006 Porsche 997 GT3 front.
2006 Porsche 997 GT3 rear.

In February 2006 Porsche revealed the street-legal version of the GT3 built on the 997 platform. Prior to that, the 997 had already been in active race use for several months. In addition to a new 415 hp (309 kW) 3.6 litre flat-six engine, the vehicle featured "zero lift" aerodynamics, meaning the car creates only aerodynamic downforce but no grip-diminishing "lift" upwards and away from the road surface. The vehicle made use of a modified, track oriented version of Porsche's active PASM suspension making it the first of Porsche's RS or GT3 versions to feature an electronically adjustable suspension system. Also available was a navigation system and Porsche's "sports chrono" gauge package, making it the most "friendly" lightweight track car the company had ever produced. The car went to sale in summer of 2006 and had a starting price of $106,000 USD. The RS was released in Europe in October 2006 and in North America in spring 2007.

2009 Porsche 997 GT3 front.

The vehicle has a rated 0-60 mph time of 4.1 seconds and has a top speed of 193 miles per hour (311 km/h). Road and Track was able to achieve a 0-60 mph run in 3.8 seconds.[28] Porsche's official test-driver Walter Röhrl completed the Nürburgring Nordschleife in 7 minutes 42 seconds with the 997 GT3.

In 2009 Porsche launched the 2nd Generation 997 GT3, boasting an enlarged 3.8 litre engine producing 435 bhp (324 kW; 441 PS). It also featured a number of new options including dynamic engine mounts and a pneumatically lifting front axle to compensate for the low ground clearance. The rear spoiler was also modified along with other parts of the bodywork. Deliveries in Europe commenced in October the same year.

997 GT3 RS[edit]

As with earlier models, such as the Carrera RS 2.7 of 1973 and the Type 964 911 RS of 1991, Porsche offered an RS version of the 997 GT3. In common with its predecessors, it provided a homologation model for use in a range of racing series.

Thanks to a close-ratio six-speed transmission with a single-mass flywheel, the engine revs up even more freely, thus enabling the 911 GT3 to sprint from zero to 100 km/h (62 mph) in 4.0 seconds[citation needed] (4.0 s in the 2010 gen 2 model)[citation needed] while reaching 200 km/h (124 mph) in 13.3 seconds. Maximum speed is 310 km/h (193 mph).

Porsche 997 GT3 RS (2006, Mk1)
Porsche 997 GT3 RS (2006, Mk1)

The RS is 20 kg (44 lb) lighter than the GT3, weighing in at 1,375 kg (3,031 lb). This weight-saving was achieved by the use of an adjustable carbon fiber wing, a plastic engine cover, and a lightweight plastic rear window. The weight savings gives the RS model corresponding engine power to curb weight ratio of 300 bhp (220 kW) per tonne.

One characteristic of the new RS is the body, which is 44 mm (1.7 in) wider at the rear (a legacy from the Carrera 4 models with which it shares its shell) by comparison with the 911 GT3. The muscular-looking rear end conceals a wider track that not only improves directional stability but also increases the potential cornering grip of the two-seater coupe. On the other hand, drag is increased, and top speed reduced, but overall the design has produced in the 997.1 the most classical lined 997 GT3 RS derivative.

In addition to the new technology featured in this flat six motor car, the paint scheme and body panels are all designed specially for this car. For the RS version, the limited edition orange color was mixed specially for this car.

The American version of the RS has a standard rear window (not plexiglas) and the smaller 911 fuel tank to comply with rules of SCCA, Grand-Am, and IMSA. For Grand-Am races, the central locking wheel nut is replaced with the standard five-lug pattern required under Grand-Am rules.

Production of the first generation 997 GT3 RS ended in 2009. An estimated 1,909 vehicles were delivered worldwide, with an estimated 413 of those directed to the United States.[29][30]

Porsche 997 GT3 RS (2009, Mk2)
Porsche 997 GT3 RS (2009, Mk2)

For 2010, the new (or second generation) 911 GT3 RS received an additional 35 PS (26 kW; 35 hp) due to a new 3.8-liter flat-six, bringing total power output up to 450 PS (331 kW; 444 hp). This car will not be raced in the United States as both IMSA American LeMans has not approved the new car for competition. Grand-Am originally did not approve the car, but after performance issues (a Porsche team did not compete at the Indy Grand Prix of Alabama round), Grand-Am approved the second-generation car in April 2010.[31][32]

Fifth Gear carried out a road test on the Porsche 911 GT3 RS 2011 which highlighted the exceptional performance of the car[33]

Porsche test driver Walter Röhrl had intended[34] to enter the 2010 24 Hours of Nürburgring on a standard road legal 911 GT3 RS, but had to withdraw due to health reasons from the team that comprised racers Roland Asch and Patrick Simon, plus journalists Horst von Saurma and Chris Harris. The car, entered in cooperation with sport auto (Germany),[35] is registered as S-GO 2400, and was driven from Weissach to Nürburg. The RS was modified according to safety requirements, which included a larger roll cage and fire extinguisher. As no race tyres were available for 19" rims, the 18" wheels of the Cup racers were used. Asch qualified with 9:15, 42nd overall, and 9th[36] among the 17 SP7 class entrants, only beaten by its race-prepped Porsche 997 siblings. In an otherwise disappointing race for Porsche, with the best race 997 finishing only 6th, the road legal car did 145 laps, only 9 less than the winning BMW, for place 13.[37] It supposedly had to cover another 306 km, on the Autobahn back home.

997 GT3 RS 4.0[edit]

GT3 RS 4.0 at the 2011 FoS.

The 911 GT3 RS 4.0 is the final evolution of the 997 and features a 4.0 litre engine. The engine itself uses the crankshaft from the RSR with increased stroke dimensions (from 76.4mm to 80.4mm). This change has increased the power to 368 kW (500 PS; 493 hp) at 8250 rpm and 460 N·m (339 lbf·ft) of torque at 5750 rpm. Chassis development has been influenced by the GT2 RS and uses bits from other RS 911s. Front dive planes give additional downforce up front. The car weighs in at 1,370 kilograms (3,020 lb), giving it a power-to-weight ratio of 365 bhp per ton. Only 600 cars will be built.[38]

Performance is 3.9 seconds for 0-100 kilometres per hour (62 mph) and a top speed of 193 mph.[39]

991 GT3[edit]

Porsche 911 GT3 3.8 (Type 991) at the 2013 Geneva Motor Show.

The completely-redeveloped third generation of the 911 GT3 occupies the top position among Porsche sports cars with naturally-aspirated engines.[40]

Even faster lap times: 991 GT3 with new rear-wheel steering.

The powertrain of the new 911 GT3 comprises a new 3.8-litre direct fuel injection (DFI) flat six engine developing 475 hp (350 kW) at 8,250 rpm, a Porsche Doppelkupplung (PDK) double-clutch gearbox, and high-traction rear-wheel drive. The six-cylinder engine is based on that fitted in the 911 Carrera S, but shares only a few common parts. All other components, particularly the crankshaft and valve train, were specially adapted or developed for the GT3.[41] For example, Porsche is once again using titanium connecting rods attached to forged pistons. These basic modifications set the stage for an extreme high-revolution engine capable of reaching up to 9,000 rpm. The dual-clutch gearbox is another feature specially developed for the GT3, with characteristics inspired by the sequential gearboxes used in motor racing, thus granting the driver further benefits when it comes to performance and dynamics.[42]

For the first time in a GT3, the 991 GT3 uses a variant of the engine used in the entry-level models such as Carrera. After a number of engine failures (5 that are known of, some resulting in engine fires) it was discovered that the supplier of the connecting rod bolts made a production error in the alloy of the bolt. Subsequently all sold GT3's (785 at the time) were recalled to the dealership organisations and fitted with completely new engines. Notably, the Mezger engine is still used in the GT3 Cup Cars.

The new 911 GT3 once again sets fresh record performance values. At full acceleration from a standstill, 0-100 kilometres per hour (62 mph) is passed after just 3.5 seconds, and 124 mph (200 kph) in less than 12 seconds. The GT3 has a top speed of 195 mph. The lap time on the Nürburgring-Nordschleife is even more impressive: the new 911 GT3 completed this track, commonly regarded as the most difficult in the world, in less than 7:30 minutes. While every Porsche is proven around the Nürburgring, this credential is particularly relevant for the new model as around 80 per cent of 911 GT3 customers also drive their cars on race tracks.[43]

According to Yahoo Autos, the car has an MSRP of $130,400.[44]

Specifications (road cars)[edit]

Car Years of Production Engine Displacement Power (PS) Power (kW) Weight in Pounds Weight in Kg Units Built[45]
996 GT3 (Mk1) 1999-2001 3.6 360 265 2,976.2 1350 1,868
996 GT3 (Mk2) 2003-2005 3.6 381 280 3,042.4 1380 2,313
996 GT3 RS 2003-2004 3.6 381 280 2,998.3 1360 682
997 GT3 (Mk1) 2006-2009 3.6 415 305 3,075.4 1394 2,378[46]
997 GT3 RS (Mk1) 2006-2009 3.6 415 305 3,031.4 1375 1,909
997 GT3 (Mk2) 2009-2011 3.8 435 320 3,075.4 1394 N/A
997 GT3 RS (Mk2) 2009-2011 3.8 450 331 3,020.3 1370 Approx. 1,600
997 GT3 RS 4.0 2011 4.0 500 368 2,998.3 1360 600
991 GT3 2013-2014 3.8 475 349 3,152.6 1430 785

See also[edit]

References[edit]

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  3. ^ "911 GT3 RSR (Type 996) - Racing cars / Racing components". Porsche AG. Archived from the original on 16 January 2007. Retrieved 3 August 2013. 
  4. ^ "911 GT3 Cup (Type 997) – Racing cars / Racing components – Motorsports – Dr. Ing. h.c. F. Porsche AG". Porsche.com. Retrieved 2009-07-19. 
  5. ^ "911 GT3 RSR (Type 997) – Racing cars / Racing components – Motorsports – Dr. Ing. h.c. F. Porsche AG". Porsche.com. Retrieved 2011-04-24. 
  6. ^ "911 GT3 Cup S (Type 997) - Racing cars / Racing components". Archived from the original on 28 December 2009. Retrieved 3 August 2013. 
  7. ^ Harper, Jason H. (2012-04-05). "Porsche $250,000 GT3 Racecar Is Too Hot for the Street". Bloomberg. Retrieved 2012-05-16. 
  8. ^ Tan, Paul. "Porsche 911 GT3 R replaces the GT3 Cup S". Paultan.org. Retrieved 2011-04-24. 
  9. ^ "Porsche reveals new GTE car". Racecar Engineering. 2011-11-04. Retrieved 2012-05-16. 
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  11. ^ Joseph, Noah (2009-08-26). "Pavlov's Bell: Porsche reveals, prices new 911 GT3 Cup racer ahead of Frankfurt debut". Autoblog.com. Retrieved 2010-12-14. 
  12. ^ Neil, Dan (12 November 2011). "Porsche Blasts Hybrids Into a New Stratosphere". The Wall Street Journal. p. D14. 
  13. ^ "Starting gun for sales of the Porsche 918 Spyder hybrid super sports car". Porsche AG. 21 March 2011. Retrieved 3 August 2013. 
  14. ^ 911 GT3 R Hybrid Celebrates World Debut in Geneva Porsche Official Website 2010-02-11 Retrieved 2010-02-19
  15. ^ Porsche to use Williams hybrid system Autosport Website 2010-02-11 Retrieved 2010-02-19
  16. ^ Suspension rises: Dream start field at the start of the season VLN Langstreckenmeisterschaft Website 2010-03-23 Retrieved 2010-05-02
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  22. ^ "24 Hours of Le Mans 2013: Race Wrap-up". Motor Authority. 2013-06-24. Retrieved 2013-11-06. 
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  24. ^ "Nürburgring-Nordschleife: Entscheidung: Manthey setzt auf den RSR - Mehr Motorsport bei". Motorsport-total.com. Retrieved 2013-08-03. 
  25. ^ "24h Rennen Nürburgring 2012:Tragik beim Wochenspiegel Team Manthey, Frikadelli-Porsche auf Platz sechs - Speed-Magazin". Motorsport-server.de. Retrieved 2013-08-03. 
  26. ^ "Bilder & Ergebnisse 41. ADAC Zurich 24h-Rennen - Nürburgring". Nuerburgring.de. Retrieved 2013-08-03. 
  27. ^ Cited in an interview with Mr. Röhrl by Swedish sports car magazine Automobil 5.06.
  28. ^ Elfalan, Jonathan (September 2009). "2010 Porsche 911 GT3". Road & Track (Hachette Filipacchi Media) 61 (1): 59. Retrieved August 15, 2009. 
  29. ^ "GT3 RS Registry". GT3 RS Registry. 
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  32. ^ "Grand-Am to allow performance Enhancement for Porsches". Grand American Road Racing Association. 2010-04-16. Retrieved 2010-07-23. 
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  39. ^ Kable, Greg (June 2i7, 2011). "Great Just Got Better". AutoWeek (Crain Communications Inc.) 61 (13): 37. ISSN 0192-9674. 
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  44. ^ http://autos.yahoo.com/porsche/911-gt3/2014/coupe/ 2014 Porsche 911 GT3
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