PORSCHE 915 TRANSMISSION SPECIFICATIONS

  • Porsche transmission type: 915
  • Original equipment for: Porsche 911 72-86
  • Description: 4 or 5 speed manual transaxle w/non synchronized reverse and early Porsche synchromesh
  • Limited Slip Differential: 40%-80% ZF LSD optional equipment
  • Weight (approx): 123lbs
  • Oil Capacity (approx): 3L SAE 90 transmission oil
  • Speedometer: Mechanical speedo 72-75.5; Electric speedo 75.5-86
  • Trans controls: Rod linkage
  • Clutch: Mechanical/cable, pull clutch, 225mm single plate

 

72-73 5 speed

915/02, 915/08

1st gear 11:35

2nd gear 18:33

3rd gear 23:29

4th gear 26:25

5th gear 29:22

Final drive 7:31

 

72-73 4 speed

915/12

1st gear 11:35

2nd gear 18:32

3rd gear 24:27

4th gear 28:23

Final drive 7:31

 

74 5 speed

915/06

1st gear 11:35

2nd gear 18:33

3rd gear 23:29

4th gear 27:25

5th gear 29:21

Final drive 7:31

 

74 4 speed

915/16

1st gear 11:35

2nd gear 20:32

3rd gear 25:26

4th gear 29:21

Final drive 7:31

 

75-77 4 speed

915/16, 915/45, 915/48, 915/49, 915/65, 915/66

1st gear 11:35

2nd gear 20:32

3rd gear 25:27

4th gear 28:23

Final drive 8:31

 

76 912E 5 speed

923/05

1st gear 11:35

2nd gear 18:33

3rd gear 23:29

4th gear 26:25

5th gear 29:21

Final Drive 7:31

 

75-79 5 speed

915/40, 915/43, 915/44, 915/60, 915/61,

1st gear 11:35

2nd gear 18:33

3rd gear 23:29

4th gear 26:26

5th gear 28:23

Final Drive 8:31

 

80-86 5 speed

915/62, 915/63, 915/67, 916/68, 915/69, 915/70, 915/72, 915/73

1st gear 11:35

2nd gear 18:32

3rd gear 23:29

4th gear 26:26

5th gear 38:30

Final drive 8:31