No smoke, no mirrors, just fast.
 
 
 


Here is the engine serial number for a 1989 engine.

Serial number decoder, both for engines and chassis.
The third digit of the engine serial number is as follows:

0-9 197X



A 1980
B 1981
C 1982
D 1983
E 1984
F 1985
G 1986
H 1987
J  1988
K 1989


L 1990
M 1991
N 1992
P  1993
R 1994
S 1995
T 1996
V 1997
W=1998
X = 1999
Y = 2000
Z=2001

I, O and Q are ommitted.



Common Types:

911/93  1974 911S USA, 175HP @ 5800; Early Heat Exchangers

930/03  78-79 Euro SC 180HP@55008.5:1 39mm Ports
930/04  78-79 USA  SC 180HP@5500 8.5:1  39mm Ports
930/07  80 USA  SC 180HP@5500 9.3:1  34mm Ports
930/09  80 ROW  SC 188HP@5500 8.6:1  39mm Ports
930/10  81-83 ROW  SC 204HP@5500 9.8:1  39mm Ports
930/16  81-83 ROW  SC 180HP@5500 9.3:1 34mm Ports

930/20  84-86 ROW Carrrera 231HP@5900 10.3:1 CR
930/21   84-86 USA Carrrera 207HP@5900 9.5:1 CR
930/23   87-89 USECarrrera 217HP@5900 9.5:1 CR**Rerated 930/21

M64/01 89-94 Carrera2/4 USA/ROW Manual 247 HP@6100
M64/02 89-94 Carrera2/4 USA/ROW Tip 247 HP@6100
M64/03 91-93 CarreraRS ROW 260 HP@6100

M64/05 94-95  993 Non Varioram  manual ROW 272 HP@6100
M64/06 95  993 Non Varioram  manual USA 272 HP@6100
M64/07 94-95  993 Non Varioram  Tiptronic ROW 272 HP@6100
M64/08 95  993 Non Varioram  Tiptronic USA 272 HP@6100

M64/20 96-98 CarreraRS Varioram 3.8 ROW 300HP@6500 ODB-I
M64/21 96-98  993  Varioram  manual ROW 285 HP@6100 ODB-I
M64/22 96-98  993 Varioram  Tiptronic ROW 285 HP@6100 ODB-I
M64/23 96-98  993  Varioram  manual USA 285 HP@6100   ODB-II
M64/25 96-98  993 Varioram  Tiptronic USA 285 HP@6100 ODB-II