Engine & Gearbox Codes

Engine Numbers, 1200-1600cc
Engine Size Engine Code Single or Twin Port Year Power (BHP)
1200 D Single Port 8/65> 34
1300 F Single Port 8/65-7/70 40
1300 AB Twin Port 8/70-7/73 40
1300 AR Twin Port 8/73-7/75 44
1500 H Single Port 8/65-7/70 47
1600 AD Twin Port 8/70/7/73 50
1600 AE Twin Port 8/70-7/71 47
1600 AF Twin Port 8/70-1/80 46
1600 AH Twin Port 8/71-1/76 47
1600 AJ Twin Port 8/74-12/80 50
1600 AK Twin Port 8/72-7/80 47
1600 AS Twin Port 8/73-7/80 50
Gearbox Codes
Code Engine Size Final Ratio Model & Chassis Number
AA 1200 4.375 From Chassis No 0 981 810
AB 1300 4.375 Up to 8/70
AC 1500 4.125 also some 1300 from 8/70
AD 1200 4.375 Limited Slip Differential
AE 1300 4.375 Limited Slip Differential
AF 1500 4.125 L.S. Differential >8/70; also some 1300 8/70>
AG 1200 4.375 Type 147 Fridolin
AH 1500/1600 4.125 IRS from 8/68 - 8/72
AK 1500/1600 3.875 Type 181
AL 1500-1600 3.875 Type 181 with LSD
AM 1300 4.375 Saloon and Cabrio from 8/70
AN 1600 3.875 Karmann Ghia with IRS from 8/70
AO 1600 4.125 LSD 8/70 - 8/72
AR 1600 4.125 LSD 8/70 - 8/72
AR 1600 3.875 Karmann Ghia with LSD from 8/70
AS 1600(GT) 3.875 From 3/72
AT 1600 3.875 1303s and Cabrio from 3/72
AU 1600 3.875 1303s and Cabrio from 3/72 with LSD
BA 1300/1500 4.375 Semi Automatic from 8/68 - 8/70
BC 1300/1500 4.375 Semi Automatic from 8/68 - 8/70 with LSD
BE 1600 4.125 Semi Automatic from 8/68 - 8/70
BF 1600 4.125 Semi Automatic from 8/68 - 8/70 with LSD
BG 1300 4.125 Karmann Ghia Semi Automatic from 8/70
BH 1300 4.125 K. Ghia Semi Automatic with LSD
BJ 1300 4.375 Semi Automatic from 8/70
BK 1300 4.375 Semi Automatic from 8/70 with LSD
DA 1500/1600 4.125 Type 3 Swing-axle up to 8/68
DB 1500/1600 4.125 Type 3 Swing-axle up to 8/68 with LSD
DC 1500/1600 4.125 Type 3 IRS from 8/68
DD 1500/1600 4.125 Type 3 IRS from 8/68 with IRS