Porsche 928 Workshop Manual page 153

13
Engine, Crankshaft Drive, Pistons 928
PISTON SIZES, 84/85/86 MODELS ONWARD
Engine M 28. 21/22, Europe and all
other countries, compression ratio
10.4
: 1
Nominal diameter - 97.0 mm
Engine M 28. 21/22, Sweden, Switzer-
land and Australia, compression
ratio 9.3 : 1
Nominal diameter - 97.0 mm
(32-VALVE ENGINES)
Engine M 28. 43/44
Japan, Compression
Nominal diameter -
USA, Canada and
ratio 10.0 : 1
100.0
mm
Engine M 28. 45/46 Australia,
Germany, Austria and Switzerland,
Compression 9.3 : 1
Nominal diameter 100.0 mn
13 - 24 b Piston Sizes, 84/85/86 Models Onward XII, 1986 Printed in Germany
a