Porsche 964 Turbo S LM group GT1 (1993)
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Home » Racing Sports Cars » Porsche 964 Turbo S LM GT

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Also called Porsche 964 Biturbo

Specifications

76 units built
Click here

Parts catalogue

1993
Porsche 930/20 based, boxer 6 (180o) cyl, 4 stroke, petrol engine
3164cc, 95 x 74.4 mm
475 bhp / 349 kW
aluminium alloy block and heads, aluminium alloy cylinders with internal 0.1mm thick nicasil coatings
forged steel crankshaft with 8 plain main bearings 60mm diameter, 55mm big end journal diameter
titanium connecting rods
small end bearigns diameter 23.02+0.013mm, width 25-0.5mm
big end bearings diameter 58+0.019mm, width 21.7+0.1mm
connecting rod length between centers 127-0.05mm
play between the bush & pin 0.020…0.039 max 0.055mm
Single Overhead camshaft (SOHC) one per bank, double chain drive, 2 valves/cyl - 12 valves total
aspiration, 2 x Turbochargers with CIS Bosch K-jetronic multipoint electronic fuel injection, and 2 x 34mm inlet restrictors
air cooled
dry sump

1994+
Porsche M64/50, boxer 6 (180o) cyl, 4 stroke, petrol engine. Click here
3600cc, 100 x 76.4 mm
7.5:1
260 kW / 360 hp @ 5500 rpm
aluminium alloy block and heads, aluminium alloy cylinders with internal 0.1mm thick nicasil coatings
forged steel crankshaft with 8 plain main bearings 60mm diameter, 55mm big end journal diameter
titanium connecting rods
small end bearigns diameter 23.02+0.013mm, width 25-0.5mm
big end bearings diameter 58+0.019mm, width 21.7+0.1mm
play between the bush & pin 0.020…0.039 max 0.055mm
Single Overhead camshaft (SOHC) one per bank, double chain drive, 2 valves/cyl - 12 valves total
aspiration, 2 x Turbochargers with CIS Bosch K-jetronic multipoint electronic fuel injection
Bosch EZ69 electronic ignition control unit
air cooled
dry sump

5 speed manual gearbox
steel body
rack and pinion steering
ventilated discs all around with Bosch racing specs ABS
rims, front 8J x 18", rear 12J x 18"
1000kg
fuel tank, 120 lt


Results in BPR International GT Endurance Series and in FIA GT Championship

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
Konrad Motorsport (Bi Turbo) #41, in entry list #42, 4th #42, dnf #42, trans mission #41, 7th #41, 19th #41, dnf #41, 2nd
Freisinger Motorsport #44, 2nd
Freisinger Motorsport (Bi Turbo) #45, acci dent #45, 10th #45, dns #45, in entry list
Freisinger Motorsport #50, dnf #50, 20th #50, 5th #50, 9th
Scuderia Chico d'Oro, WP0ZZZ96ZPS496071 (Bi Turbo group GT3) #51, 5th #51, dns
Guy Broissiat, (Bi Turbo GT3) #52, in entry list #52, dnf
Larbre Compιtition #86, 1st #86, 1st #86, 1st #86, 1st
Total points
84
19 17 7 4 16 21
Statistics
Works Starts/finishes 22/14 2/2 3/2 3/2 4/0 2/1 2/2 3/2 3/3

Team and drivers entries

Results in Endurance races

Classification in group GTS is noted in brackets, 3.2 lt engine
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
Brumos Porsche #59, 7th (3rd) #46, acci dent
Total points
4
4
Statistics
Works Starts/finishes 2/1 1/1 1/0

Team and drivers entries


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