Makes › Porsche › 911 › Original 911 › 911 S/T · Factory competition · 1970–1971 Ultra Rare
Porsche
911 S/T
Factory lightweight competition 911 (rally/racing) built to special order.
Still being researched: full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.
Photo: Calreyn88 · CC BY-SA 4.0
Contents
01Overview
At a glance
- Built
- 33 Built
- Years
- 1970–1971
- Engine
- Rear-mounted air-cooled flat-six · 2,195 cc / 2.2 LFactory: 2,195 cc
- Power
- Not yet verified
- Top speed
- Not yet verified
- Body
- Not yet verified
- Designer
- Not yet verified
- In this archive
- Not yet verified
- Surviving
- Not yet verified
Sources and any conflicting figures are in the sections below.
Why it matters
The 911 S/T was Porsche's factory-built lightweight competition 911, produced to special order for rally and circuit racing. It established the lightened, wide-arched formula that later led to the Carrera RS, and won at Daytona, Sebring, the Nürburgring 1000 km and the Targa Florio.
How rare is it?
Six separate kinds of rarity – never combined into one number.
Each kind of rarity is rated separately and never combined.
Photos
Exterior, interior and detail photos with their licences.
Porsche 911 S/T (Wikimedia Commons: Porsche 911 S/T)
Photo: Calreyn88 · CC BY-SA 4.0
Porsche 911 S/T (Wikimedia Commons: Porsche 911 S/T)
Photo: Calreyn88 · CC BY-SA 4.0
Porsche 911 S/T (Wikimedia Commons: Porsche 911 S/T)
Photo: Calreyn88 · CC BY-SA 4.0
Porsche 911 S/T (Wikimedia Commons: Porsche 911 S/T)
Photo: Calreyn88 · CC BY-SA 4.0
02Production & history
Production
Every figure says what it counts.
| What is counted | Figure | Basis | Status |
|---|---|---|---|
| Total model productionS/T built 1970–1971 (alternative breakdown on same page gives ~50 incl. 1969/1972 cars) | 331 | Factory production | Independently researched |
Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.
History
Built in 1970 and 1971, the S/T saved weight with thinner-gauge steel for the roof and floorpans, plastic bumpers and front lid, Plexiglas side and rear windows and the deletion of sound deadening, underseal and many trim items. Flared arches took 7-inch front and 9-inch rear wheels under FIA rules. Production figures vary by source: Stuttcars lists 33 cars but gives an alternative breakdown spanning 1969 to 1972.
Variants
How each version differs from the standard 911 S/T.
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | Rear-mounted air-cooled flat-six2 Independently researched |
| Displacement | 2,195 cc / 2.2 LFactory: 2,195 cc3,4 Independently researched2.2-litre S/T. The seven works 2.3 STs of 1970 used 2,466 cc (S2). |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | 9.8:13 Independently researchedStated for the 2.2 S engine on which the customer S/T was based. |
| Fuel system | Bosch mechanical fuel injection4 Independently researched2.2 ST. The works 2.3 ST is listed with two triple-choke Weber carburettors (S2). |
| Power | Not yet verified |
| Power at | Not yet verified |
| Torque | Not yet verified |
Transmission & drivetrain
| Gearbox | Not yet verified |
|---|---|
| Gears | Not yet verified |
| Driven wheels | Not yet verified |
Chassis, body & dimensions
| Chassis | Not yet verified |
|---|---|
| Front suspension | Not yet verified |
| Rear suspension | Not yet verified |
| Brakes | Ventilated discs2 Independently researched |
| Steering | Not yet verified |
| Body construction | Not yet verified |
| Wheelbase | Not yet verified |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | Not yet verified |
| Dry weight | Not yet verified |
Performance
| Maximum speed | Not yet verified |
|---|---|
| 0–100 km/h | Not yet verified |
| Fuel tank | Not yet verified |
“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.
04Colours & options
Factory colours & interiors
Original paint and trim, with the number of cars in each where a source gives it.
Not yet documented. Have a source? Contribute it.
Factory options & codes
Codes are shown exactly as written by the manufacturer.
Not yet documented. Have a source? Contribute it.
05Individual cars
Chassis register
Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.
Not yet documented. Have a source? Contribute it.
Competition history
Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
Auction & sale history
Documented public sales of the individual cars. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
See one in person
Museums where an example of this car can be seen.
No example is documented on public display yet. Have a source? Contribute it.
06Reference
Identification guide
How to tell an original from a replica or later conversion.
Being verified against factory or registry sources before it is published. Have a source? Contribute it.
Sources
Each number links to the exact facts it supports.
-
1
Porsche 911 S/T (1970–1971) – Stuttcars Level C
- 33 S/T built 1970–1971 (alternative breakdown on same page gives ~50 incl. 1969/1972 cars)
-
2
Porsche 911 S/T (1970–1971) Level C Nicolaos Dellis · Stuttcars · 2010-04-02
- 2.2 or 2.5 L Aircooled Flat 6
- Ventilated disc brakes
-
3
The ex-Guenther Buehl, Nurburgring 36 Hours Winning 1970 Porsche 911S/T (chassis 9110301014) Level C Bonhams
- 2,195cc SOHC Flat 6-Cylinder Engine
- 9.8:1 compression ratio made the 2.2 S
-
4
1970 Porsche 911 2.2 ST Level C Gooding & Company
- 2,195 CC SOHC Flat 6-Cylinder Engine
- Bosch Mechanical Fuel Injection
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