911 1984-1986

Porsche type 915 transmission specifications 1972-86

915/02

911 1972-74

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.96 (26/25)

5th gear: 0.76 (29/22)

Ring and pinion: 4.43 (7:31)

915/06

911 1975

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.93 (27/25)

5th gear: 0.72 (29/21)

Ring and pinion: 4.43 (7:31)

915/08

911 Carrera RS 1973

5-speed synchronized transaxle w/tail-cover oil pump

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.93 (27/25)

5th gear: 0.72 (29/21)

Ring and pinion: 4.43 (7:31)

915/35

911 S/T 2.5L 1972

5-speed synchronized transaxle w/tail-cover oil pump

Manufactured by Porsche (ZF)

Plate-type limited-slip differential

Rod shift

Single-plate clutch

Gear ratios: see racing ratios

915/40

911S, Carrera (USA) 1975

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.82 (28/23)

Ring and pinion: 3.88 (8:31)

915/43

911 ROW 1975

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.96 (26/25)

5th gear: 0.72 (29/21)

Ring and pinion: 4.43 (7:31)

915/44

911, 911S (USA), Carrera 1976

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.82 (28/23)

Ring and pinion: 3.88 (8:31)

915/50

935 1.4L Turbo "Baby" 1977

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Rod shift

Single-plate clutch

Gear ratios: see racing ratios

915/60

911, 911S (USA), Carrera 1977

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.82 (28/23)

Ring and pinion: 3.88 (8:31)

915/61

911SC 1978-79

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.82 (28/23)

Ring and pinion: 3.88 (8:31)

915/62

911SC (ROW) 1980-83

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.79 (28/22)

Ring and pinion: 3.88 (8:31)

915/63

911SC (USA/Japan) 1980-83

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.82 (28/23)

Ring and pinion: 3.88 (8:31)

915/67

911 Carrera 3.2 (ROW) 1984-86

5-speed synchronized transaxle w/cooler

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.97 (29/28)

5th gear: 0.76 (38/29)

Ring and pinion: 3.88 (8:31)

915/68

911 Carrera 3.2 (USA/Japan) 1984-86

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.79 (38/30)

Ring and pinion: 3.88 (8:31)

915/69

911 Carrera 3.2 Turbo-look (ROW) 1984-86

5-speed synchronized transaxle w/cooler

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.97 (29/28)

5th gear: 0.76 (38/29)

Ring and pinion: 3.88 (8:31)

915/70

911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.79 (38/30)

Ring and pinion: 3.88 (8:31)

915/72

911 Carrera 3.2 Turbo-look (ROW) 1984-86

5-speed synchronized transaxle w/cooler

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 0.97 (29/28)

5th gear: 0.76 (38/29)

Ring and pinion: 3.88 (8:31)

915/73

911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86

5-speed synchronized transaxle

Manufactured by Porsche (ZF)

Plate-type limited-slip differential available

Rod shift

Single-plate clutch

Gear ratios:

1st gear: 3.18 (11/35)

2nd gear: 1.83 (18/33)

3rd gear: 1.26 (23/29)

4th gear: 1.00 (26/26)

5th gear: 0.79 (38/30)

Ring and pinion: 3.88 (8:31)

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