Porsche 911 (964) RSR group GT3 (1993)
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Chassis database and information

Also called Porsche 964 Carrera RSR
Chassis 6081
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See video

Specifications

Carrera Cup '91: 270 units built
RS '92: 419 units built
RS America '93: 768 units built
RSR 3.8 '93: 130 units built (51 for racing)

Click here and here and here and here
Click here for RS 3.6 '90 street version

Homologation number: B296 (3.6) and GT2-2 (3.8)
Homologation start: 1/3/1992 and 1/8/1995

Porsche M64/04, Boxer 6 (180o) cyl, 4 stroke, petrol engine, located rear longitudinally
3746cc, 102 x 76.4 mm
11.4:1
325 bhp @ 6900 rpm, to 375 bhp @ 7400rpm with inlet restrictor
360 Nm (266 ft·lb) (36.7 kgm) @ 5250 rpm (street version)
aluminum alloy block and head
forged steel crankshaft with 8 plain main bearings 60mm diameter, 55mm big end journal diameter
titanium connecting rods, 58mm big end bearing diameter
Single Overhead camshaft (SOHC) one per bank, double chain drive, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch L-jetronic electronic multipoint fuel injection
Firing order: 1-6-2-4-3-5, twin-spark
aircooled
dry sump

RS
Porsche M64/03, Boxer 6 (180o) cyl, 4 stroke, petrol engine, located rear longitudinally
3600cc, 100 x 76.4 mm
11.3:1
300 HP, Street version: 256 HP (191 kW) @ 6100 rpm
325 Nm (240 ft·lb) (33.1 kgm) @ 4800 rpm
aluminum alloy block and head
forged steel crankshaft with 8 main bearings
Single Overhead camshaft (SOHC) one per bank, double chain drive, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch L-jetronic electronic multipoint fuel injection
Firing order: 1-6-2-4-3-5, twin-spark
aircooled
dry sump

Getrag G50/10 5 speed manual gearbox, 3.7 lt SAE75W/90 Gear Oil
1st: 3.154/1 (41/13)
2nd: 1.895/1 (36/19)
3rd: 1.407/1 (38/27)
4th: 1.086/1 (38/35)
5th: 0.868/1 (33/38)
R: 2.857/1 (40/14)
final drive ratio 3.555/1, 3.444/1 (31/9), 4.714/1 (33/7), 5.286/1 (37/7), 40% or variable from 20% to 100% limited slip rear differential
2 doors coupe bodyshell with composite body panels for the sills and bumpers, and aluminium engine cover, doors and latched front lid
Front Suspension: Modified MacPherson Struts (lowered -40mm)
Rear Suspension: semi trailing arms with coil sprins, telescopic shock absorbers, anti roll bar
power assisted rack and pinion
Front brakes: 322mm Ventilated &Cross-drilled Discs, 4-pot monobloc calipers
Rear brakes: 299mm Ventilated &Cross-drilled Discs, 4-pot monobloc calipers
Length : 4275mm (168.3")
Width : 1775mm (69.9"), RS 3.6: 1652mm (65.0")
Height : 1270mm (50.0")
Wheelbase : 2272mm (89.4")
track front: 1440mm (56.7"), RS 3.6: 1379mm (54.3")
track rear: 1481mm (58.3"), RS 3.6: 1390mm (54.3")
wheels: front 9-9.5x18", rear 11x18"
Tyres: f: 235/40 ZR 18, r: 285/35 ZR 18
1000-1100kg
fuel tank, 120 lt
drag coefficient, 0.35 (RS 3.6: 0.32)
frontal area, 1.89 m2 (RS 3.6: 1.79 m2)


Results in BPR International GT Endurance Series

Season
Car entry Car number, result
Paul Ricard Jarama Dijon Paris Valle lunga Spa Suzuka Zhuhai
Team 4h 4h 4h 1000km 4h 4h 1000km 3h
Porsche Center Hong Kong #1, 15th
Porsche Center Hong Kong #2, 14th
Weiland / Weiland #9, in entry list #9, gear box
Ardennes #21, 12th
Pietro Ferrero/ Rossi #22, in entry list #22, 4th #22, 8th
Mathai/ Mathai #27, in entry list
Ecurie Biennoise - Stadler Motorsport #30, 5th #33, 3rd #54, 7th #58, 8th
Scuderia Chico d'Oro #31, 7th #51, 6th #51, in entry list #53, 15th #53, 12th #53, 4th
Scuderia Chico d'Oro #59, 21st
Mühlbauer Motorsport, 499110 (RS 3.6) #33, 9th #33, 7th #70, eng ine #70, eng ine
Mühlbauer Motorsport #33, 3rd #33, 11th #33, in entry list
Bristow Motorsport #34, 11th #34, 2nd #34, 3rd #34, 2nd #34, 3rd #34, 6th
V de V Racing Team #37, dnf #37, drive shaft
Seikel Motorsport #39, dnf #39, dns #39, 5th #60, dnf #60, 16th #60, dnf
Konrad Motorsport #40, 4th #41, 10th #41, 11th #41, mecha nical #49, in entry list #42, 11th #42, 13th #42, 13th
Kadach Tuning #42, in entry list
Heico Dienstleitungen, 6066 #45, 8th #45, 3rd
Freisinger Motorsport #45, in entry list #49, 7th #49, 9th #49, 11th #45, 13th #48, in entry list
Freisinger Motorsport #50, dns #50, 16th #49, dnf #49, in entry list #49, dnf #49, 7th
Crisal Compétition #46, 12th #46, 9th #46, 15th #46, 8th #46, 18th #46, 11th
Crisal Compétition #47, in entry list #47, 16th #47, in entry list
Larbre Compétition #47, 3rd #47, 5th #47, 9th #47, 5th
Raymond Touroul #48, dnf #8, 14th #8, 10th #8, 17th #8, in entry list
Cobra Original #51, in entry list
Broissiat/ Meunier #52, 11th
Porsche Club #50, 6th
Total points
168
27 35 14 32 15 12 5 28
Statistics
Works Starts/finishes 71/57 10/7 9/8 9/7 9/7 9/6 10/9 5/4 10/9

Team and drivers entries

Results in Endurance races

Classification in group GT2 is noted in brackets
Car entry, chassis number Car number, result
Daytona Sebring Le Mans
Date 31/1 20/3 20/6
Duration 24h 12h 24h
Team\ Championship IMSA IMSA
Monaco Media International, WP0ZZZ96ZPS496074 #47, 15th (1st)
Konrad Motorsport (RS 3.8) #62, 19th (5th)
Heico Dienstleistungen, WP0ZZZ96ZPS496066 #65, 17th (3rd)
Muhlbauer Motorsport, 499110 (RS 3.6) #66, 21st (6th)
Jack Lewis Enterprises Ltd, JLE 001 #73, eng ine
Scuderia Chicco d'Oro , WP0ZZZ96ZPS496071 #77, 18th (4th)
Jack Leconte, WP0ZZZ96ZPS496075 #78, 16th (2nd)
Roock Racing #58, in entry list
Roock Racing #59, in entry list
Statistics
Works Starts/finishes 7/6 1/0 6/6

Team and drivers entries


Article, Car & Driver

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964-RSR.jpg Source
GT-_-PORSCHE-911-TYPE-964-CARRERA-RS-3.8e-640x320.jpg Source
964 Carrera RSR 3.8

Drawings

porsche_911_rs_3_8_964_1992.jpg Source
porsche-911-rsr.gif Source

Rear suspension

Rear+Suspension+9641209396610.jpg Source
Control+Mount+Medium+1209396098.jpg Source

Xtrac LSD differential

xtracprint1.png Source

Gearbox

g50.jpg
Getrag G50/10 gearbox casing
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