Porsche 997 GT3 RSR

Porsche 997 GT3 RSR

Rennwagen, 2008


  • One of only 27 (08 MY) Porsche 997 RSR constructed by Porsche Motorsport
  • 4.0 Litre engine upgrade by Labre Competition
  • Race ready for 2024 Season

2008 PORSCHE 997 GT3 4.0 RSR

Team Imsa Performance Matmut / E Leclerc

2008 Le Mans Series & 2009 International GT Open

Following IMSA Performance success with a 997 RSR class win at Le Mans in 2007, two new 2008 RSRs were ordered with 08 MY upgrades, featuring the new evolution G97/70 6-speed sequential Transmission with optimised drive shaft angle.

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This Car:

Delivered new IMSA Performance by Porsche Motorsport on February 21st, 2008, chassis WP0ZZZ99 Z8S 799923 was the teams new lead car (no 76) for the 2008 season, driven by Richard Lietz and Raymond Narac in the Le Mans Series.

The car was shaken down at the traditional Le Mans Series test at Paul Ricard in March 2008 and a class podium – 3rd followed in its first race at Catalunya 1000Kms. After Monza and Spa another class 3rd came at Nürburgring 1000kms. The final race at Silverstone saw a coming together with Minassian in the Peugeot and routinely the shell was exchanged with Porsche for a new replacement in readiness for the 2009 season.

For 2009, 2010 and 2011 Imsa Performance then ran the car for a Pro/Am driver line up, first in 2009 International GT Open, then 2010 Spa 24hrs and in FFSA VDV where it won the championship. Finally for 2011 it ran in the Le Mans 24hr Test, where it qualified 2nd in GTE Am, but was subsequently not eligible to be used in the 24hr race as the car was not fitted with Air Conditioning which had now become mandatory in GT2.

In 2015, Labre Competition fully rebuilt the engine and gearbox in 2015, since when the car has not been raced or used.


Ownership Provenance:

  1. IMSA Performance (Porsche Centre Rouen)
  2. Sport Event Communication (F)
  3. Maxted-Page Ltd (UK)

The car was acquired by us directly from Sport Event Communication in 2023 and imported to the UK.

Having remained in storage since the engine and gearbox in 2015, we have subsequently completed a programme of preparation of the car for historic racing. The engine and gearbox have been re-inspected and checked. Suspension and wheels crack-tested and certified. A new Premier fuel cell fitted, plus new seat, harness and fire extinguisher systems fitted.  All invoices and certificate renewals are on file, together with a new Historic Technical Passport for Peter Auto – Endurance Racing Legends series.

An immensely rewarding car to drive and pure Porsche Motorsport experience. The car is now offered in race-ready condition for the 2024 season ahead.


Technical Specification


M97/80 4.0 litre – Flat six-cylinder boxer engine, water-cooled 3,996 cc, stroke 80.4 mm, bore 102.7 mm max. torque: 430 Nm at 7,250 rpm max. power: 335 kW (450 bhp) at 7,800 rpm with 2 x 28.6 mm restrictors, max. rpm: 9,400 rpm

Four-valve cylinder heads, Oil-water heat exchanger, Dry-sump lubrication system with carbon fibre engine mounted dry-sump tank, carbon fibre Intake manifold with dual air restrictors.


BOSCH MS 4.0 engine management system with adjustable traction control

MoTec display with data recording

Digital oil-level tell-tale


6-speed Porsche Sequential Manual Transmission (PSMT) – Evolution G97/70 with optimised drive shaft angle

In-line shift mechanism with sensor controlled power cut

Straight-cut gears with drop gear final drive

Oil-water heat exchanger

Single-mass flywheel with triple-disc carbon fibre race clutch

Limited slip differential 40/60%


Welded-in roll cage

Single GT race seat

Removable steering wheel (quick-connect coupling)

Three-point air jack system

Carbon/kevlar fibre body panels

Flat underfloor made from carbon fibre

Adjustable rear wing

90 litre FT3 safety fuel tank with quick refuelling system

Quick-fill oil system.

Xenon headlights


McPherson front axle and Multilink rear suspension with uniball joints

Adjustable front and rear roll bar, blade type

Power steering

Double coil springs in front and 4-position adjustable rear

Front and rear struts with adjustable Sachs 4-way shock absorbers

Brake System:

Dual master cylinders, with adjustable brake bias system

Six-piston fixed brake callipers in the front with 380 mm diameter vented front discs

and 355 mm diameter vented rear discs with additional cool-air ducting

Centre locking 11J x 18 Front and 13J x 18 Rear wheels


Race History:


European Le Mans Series (#76 Lietz / Narac – GT2) :

Catalunya 1000km                          14th / 3rd GT2

Monza                                             1000km DSQ

Spa 1000km                                     22nd / 6th GT2

Nürburgring 1000km                        26th / 3rd GT2

Silverstone                                       DNF    (Accident / Re-tubbed)

FFSA GT             (#36 Lelièvre / Polette / Narac – GT3 ) :

Albi                       Race 1 – 4th GT3    Race 2 – 2nd GT3

Magny-Cours       Race 1 – 4th GT3     Race 2 – 5th GT3



International GT Open (#18 Belloc / David / Balandras – Super GT) :

Imola                      Race 1 – 7th            Race 2 – 10th
Algarve                   Race 1 – NC            Race 2 – 8th

Spa                         Race 1 -11th           Race 2 – 9th
Donington               Race 1 – 6th            Race 2 – 7th
Magny-Cours          Race 1 – 6th            Race 2 – 4th
Monza                     Race 1 – DSQ         Race 2  – DSQ
Barcelona                Race 1 – NC           Race 2 – 10th

Qatar                       Race 1 NC             Race 2 – 2nd



Spa 24hr     (#17 Belloc / Bourret / Balandras / Gibon – GT2) :           Race 12th / 6th GT2

FFSA Series VDV     (#53 Bourret / Gibon – GT): Championship winner – GT


2011 Season:   Team IMSA PERFORMANCE MATMUT / LABRE Competition

Le Mans 24hr – Pre-Qualifying (#70 Belloc / Bourret / Gibon – GTE Am) :               Test : 41st / 2nd GTE Am

FFSA Series VDV  (#53 Bourret / Gibon – GT ) :2nd in Championship – GT



Baujahr: 2008
Modell: 997 GT3 RSR
FIN: WP0ZZZ99Z8S799923
Karosserie: Rennwagen
Baureihe: 997
Leistung: 450 PS
Hubraum: 4.0 Liter
Lenkung: links
Getriebe: Manuell
Antrieb: Heckantrieb
Kraftstoff: Benzin
Innenfarbe: Weiß
Innenmaterial: Stoff
Außenfarbe: Weiß
Hersteller Farbbezeichnung (außen): Carrara Weiss B9A
Matching Numbers: ja
Zustand: Vollrestauriert
Neu / gebraucht: Gebrauchtwagen
Fahrbereit: ja
Anzahl Fahrzeughalter: 3
Fahrzeugstandort: GBVereinigtes Königreich

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