Porsche 993 GT2 (1995)
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Chassis numbers
Also called Porsche 993 Biturbo
911 story

Specifications

243 units built
Click here and here
Click here and here and here and here for street version
Homologation number: GT2 3
Homologation start: 1/1/1996

Porsche M64/81, boxer 6 (180o), 4 stroke, petrol engine, located rear longitudinally
3600cc, 100.0 × 76.4 mm
8.0:1
450 - 485 bhp / 347 KW @ 5750 rpm
649 Nm / 479 ft lbs @ 3500 rpm
forged steel crankshaft with 8 plain main bearings 60mm diameter, 55mm big end journal diameter
titanium connecting rods, 58mm big end bearing diameter
DOHC, 2 valves/cyl - 12 valves total. 49mm inlet valve diameter, 42.5mm hollow exhaust valve diameter cooled by natrium
aspiration, 2 x KKK K24.2-2470GGA10.80GAAXK turbochargers with Bosch Motronic multipoint electronic Fuel Injection. 0.94 bar was available for 3500rpm, 0.6 bar for 5200 rpm and 0.75 bar for 6500 rpm
Firing order: 1-6-2-4-3-5
dry sump

1995 street version
M64/60R B6 engine
430 bhp / 321 KW @ 5750 rpm
572 Nm / 422 ft lbs @ 4500 rpm

Biturbo (S)
M64/60 B6 engine with 2 x KKK K16 turbochargers
300 kW / 408 PS @ 5750
540 Nm @ 4500 rpm
Width 1795 mm
Height 1310 mm
Track (fr/r) 1410/1505 mm
f/r wheels: 8J × 18 - 10J × 18
f/r tires: 225 × 40 ZR18 - 285 × 30 ZR18

G50/54, 6 speed manual gearbox
steel monocoque chassis with roll cage. 2 door coupe steel bodyshell with aluminium front lid and doors
Front suspension, McPherson strut with lower A-arm, coil spring, telescopic gas shock absorber, anti-roll bar
Rear suspension, upper dual lateral links with lower A-arm, rear-center toe link, coil spring, telescopic gas shock absorber, anti-roll bar
rack and pinion
ABS, ventilated disks with 4 piston calipers all around
Length 4245 mm (167.1 in)
Width 1855 mm (73 in)
Height 1270 mm (50 in)
Wheelbase 2272 mm (89.4 in)
Track (fr/r) 1475 mm (58.1 in) / 1550 mm (61 in)
Wheels (fr/r) 10J x 18 - 11J x 18
Tyres, front 235/40 - ZR18, rear 285/35 - ZR18
1150kg
fuel tank 100 lt


Results in BPR International GT Endurance Series

Season
Car entry Car number, result
Jerez Paul Ricard Monza Jarama Nurb Donin gton Paris Ander stop Suzuka Silver stone Nogaro Zhuhai
Team 4h 4h 4h 4h 4h 4h 1000km 4h 1000km 4h 4h 3h
Lanzante Motorsports #6, 9th #6, gear box #6, drive shaft #6, 7th #6, 6th #6, 12th
Repsol - Kremer, WP0ZZZ99ZTS393071 #10, 9th #10, acci dent in practice #10, 9th #10, eng ine #10, in entry list #10, 20th
Parr Racing #14, 7th #14, 2nd #14, 13th #14, in entry list
Konrad Motorsport, (Biturbo) #20, 5th #20, 8th #20, 4th #20, 10th #20, 11th #20, exh aust #20, 13th #20, eng ine
Konrad Motorsport #21, eng ine #21, gear box #21, 14th #21, 4th #21, in entry list #21, 12th #21, 9th
Elf Haberthur Racing #22, 15th #22, 11th #22, transm ission #22, 6th #22, gear box #22, diffe rential
Elf Haberthur Racing #23, in entry list #23, in entry list #23, 16th #23, eng ine #23, 23rd #23, in entry list
Team Comtech Racing Club #28, fire
Seikel Motorsport #32, acci dent #32, 13th #32, gear box #32, 12th #32, eng ine #32, in entry list #32, dnf #32, gear box
Seikel Motorsport #33, acci dent #33, 17th #33, acci dent #33, 3rd #33, 8th #33, 18th
G-Force Motorsport #46, 9th #46, 7th
Freisinger Motorsport #51, acci dent
Stadler Motorsport, WP0ZZZ99ZTS393067 #55, 3rd #55, acci dent #55, 6th #55, 7th #55, 6th #55, 6th #55, eng ine #55, 5th #55, 8th #55, 11th #55, 7th #55, 4th
Stadler Motorsport #65, 4th #65, transm ission #65, in entry list
Jean Francois Veroux, WP0ZZZ99ZTS393091 #64, eng ine #64, 19th
Mühlbauer Motorsport #70, 7th #70, drive shaft #70, 1st #70, with drawn
BB Corsa Motorsport #75, in entry list
Steve O'Rourke/ Guy Holmes #76, 14th
Simpson Engineering #83, 16th #83, gear box
Roock Racing #85, gear box
Roock Racing #91, gear box
Fred Laufer Racing #88, eng ine #88, in entry list #88, in entry list #88, in entry list
Total points
144
16 3 12 7 11 18 27 25 3 9 6 7
Statistics
Works Starts/finishes 78/47 4/3 4/3 6/2 5/5 10/5 9/5 10/5 8/5 5/2 10/10 4/2 5/2

Team and drivers entries

Results in FIA GT Championship

Season
Car entry, chassis number Car number, result
Hocke nheim Silver stone Hels inki Nurbur Spa Zeltweg Suzuka Doni ngton Mugello Sebring Laguna Seca
Team 4h 4h 3h 4h 4h 4h 1000km 4h 4h 3h 3h
Agusta Racing #50, 15th (5th) #50, wheel #50, 21st (6th) #50, in entry list
Karl Augustin Motorsport #55, eng ine #55, 25th (14th) #55, 15th (5th) #55, acci dent #55, dnf #55, 17th (5th) #55, 20th (7th) #55, 18th (5th) #55, 17th (5th) #55, suspe nsion
Roock Racing, WPOZZZ99XTS393108 #56, 13th (3rd) #56, 10th (2nd) #56, 9th (1st) #56, 16th (1st) #56, 16th (6th) #56, acci dent #56, 18th (5th) #56, 17th (2nd) #56, 15th (2nd) #56, 29th (15th) #56, 14th (1st)
Roock Racing #57, 25th (13th) #57, 19th (8th) #57, gear box #57, 27th (10th) #57, 19th (8th) #57, 13th (1st) #57, 15th (2nd) #57, 19th (4th) #57, 16th (3rd) #57, 14th (8) #57, 26th (13th)
Roock Racing #87, acci dent in practice #87, 19th (6th) #87, gear box #87, 30th (16th)
Estoril Racing #58, 23rd (11th) #58, 29th (17th) #58, 24th (8th) #58, 26th (14th) #58, in entry list #58, 22nd (9th) #58, dns #58, 25th (11th) #58, 20th (7th)
Stadler Motorsport, WPOZZZ99ZTS393067 #61, acci dent #61, in entry list #61, 21st (5th) #61, 20th (7th) #61, acci dent
Stadler Motorsport, WPOZZZ99ZTS390015 #62, 24th (12th) #62, 23rd (12th) #62, 26th (9th) #62, 28th (16th) #62, in entry list #62, 21st (8th) #62, 24th (11th) #62, 26th (12th) #62, 29th (15th)
Krauss Motorsport, WPOZZZ99ZTS394071 #63, 18th (6th) #63, 27th (15th) #63, 12th (3rd) #63, 20th (4th) #63, 27th (15th) #63, 16th (4th) #63, 24th (11th) #63, 22nd (7th) #63, disqua lified #63, 21st (8th) #63, 18th (5th)
Kremer Racing #64, 20th (8th) #64, 15th (4th) #64, in entry list #64, 18th (6th) #64, 23rd (8th) #64, acci dent #64, in entry list
RWS, WPOZZZ99ZTS393087 #65, acci dent #65, 16th (5th) #65, in entry list #65, acci dent #65, 20th (9th) #65, dnf #65, 22nd (9th)
Konrad Motorsport, WPOZZZ99ZTS394065 #66, OTL #66, 20th (9th) #66, eng ine #66, 19th (3rd) #66, 18th (7th) #66, dnf #66, 17th (4th) #66, 20th (5th) #66, 17th (4th) #66, 19th (6th) #66, fire
Konrad Motorsport #67, 17th (5th) #67, in entry list #67, dnf #67, elec trics #67, in entry list
Rennsport Italia #68, 15th (4th) #68, 17th (6th) #68, 23rd (7th) #68, dnf #68, 21st (8th)
Proton Competition, WPOZZZ99ZTS393076 #69, 22nd (10th) #69, eng ine in practice #69, 18th (6th) #69, 28th (11th) #69, 30th (17th) #69, 22nd (9th) #69, dnf #69, 25th (10th) #69, gear box #69, acci dent in practice #69, 28th (14th)
Dellenbach Motorsport #70, 26th (14th) #70, elec tronics #70, in entry list #70, dnf #70, 23rd (11th) #70, 19th (7th) #70, 24th (9th) #70, 20th (7th) #70, dnf #70, 19th (6th)
GT Racing Team #71, eng ine in practice #71, in entry list #71, 31st (13th) #71, 21st (10th) #71, dns #71, in entry list #71, in entry list
ELF Haberthur Racing, WPOZZZ99ZTS393085 #72, 19th (7th) #72, 28th (14th) #72, 23rd (10th)
Seikel Motorsport #73, 21st (9th) #73, in entry list #73, 22nd (6th) #73, in entry list #73, 25th (12th) #73, in entry list
Larbre Competition, WPOZZZ99ZTS394074 #74, in entry list #83, 19th (6th)
G-Force, WPOZZZ99ZTS394069 #75, 28th (16th) #75, 34th (16th) #75, 14th (4th) #75, oil pump drive
O'Rourke #76, 18th (7th)
Eschmann #81, 30th (12th)
Prova Motorsport #88, dns #88, in entry list
GMB Motorsports, WPOZZZ99ZTS393104 #97, 22nd (9th)
Total points
0
Statistics
Works Starts/finishes 139/104 17/12 14/12 6/4 16/13 15/12 10/6 10/8 10/8 14/10 14/9 13/10

Teams and drivers entries

Results in Endurance races

Classification in group GTS is noted in brackets
Car entry, chassis number Car number, result
Daytona Sebring Le Mans
Date 5/2 18/3 18/6
Duration 24h 12h 24h
Team\ Championship IMSA IMSA
Rohr Corp, 0001 GT1 #01, 4th (2nd) #01, mecha nical
Obermaier Racing #53, dnt qualify
Champion Porsche, WP0ZZZ99ZTS393062 GT1 #74, acci dent #74, 6th (2nd)
Seikel Motorsport #77, 15th (4th)
Jean-François Veroux/ Eric van de Vyver/ Didier Ortion, WPOZZZ99ZTS393091 #78, 16th (5th)
Stadler Motorsport, WPOZZZ99ZTS393067 #79, acci dent
Richard Jones/ Nick Adams/ Gérard MacQuillan #81, 17th (6th)
Elf-Haberthur Racing, WPOZZZ99ZTS393085 #82, acci dent
Heico Motorsport #91, acci dent
Konrad Motorsport in entry list
Total points
13
7 6
Statistics
Works Starts/finishes 11/5 2/1 2/1 7/3

Teams and drivers entries


996.jpg Source
1995-porsche-911-gt2-993.jpg Source
362830d1244179100-a-rare-porsche-gathering-2-rufs-993gt2-and-a-cayman-pics-dscn2102.jpg Source
porsche-911-130-6-38.jpg Source
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IMG_6964.jpg Source
Front lower wishbone

Drawings

993-CUTAWAY_zpse597c756.jpg Source
Carrera RS
porsche_911_gt2_993_1993.jpg Source

Chassis

2180_316_1112-bolt-hole-fix.jpg Source

Suspension

964-993-front-iso.jpg Source
Front
993-rear-iso.jpg Source
Rear
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