Porsche 928 Workshop Manual page 636

30
General
General Data
Manual Transmission Type G 28.08
Design
I
Darect transmission with countershaft
Ratios *
Z1
1st gear 17
2nd gear 22 38
1.7272 1.650 2.8498
3rd gear 26 32 1.2307 1.650 2.0306
4th gear 29 27 0.9310 1.650 1.5361
5th gear
/ direct direct 1 .oooo direct
Reverse gear
44
(30,
50
'2
z* :z,
'vor
33 : 20
b ivor
2.5882 1.650 4.2705
2.2727 1.650
1 .oooo
3.7499
Final drive Drive pinion without hypoid offset
-
Final drive ratio
Transmission oil
15:34 i=2.2666
Multigrade gear lube SAE 75 W 90
API Classification GL 5 (or MIL-L 2105 BI
Oil capacity approx. 3.8 liters
I
- z,
= Number of teeth on first gear meshed for selected gear
Z2
= Number of teeth on second gear meshed for selected geal
5
= Gear ratio
iVor = Countershaft ratio
a
a
a
a
30 06
Technical Data VII, 1983 Printed in Germany