Engine numbers
Below you will find various engine numbers, prefixes and what cars the engines was fitted in. Engine sizes
Courtesy of www.triumhpspitfire.com
Engine numbers, prefixes and compression ratings Cars fitted in BE 948cc Standard 10 CC - TR250 & TR6 (carburettor) CF - TR6 (carburettor) CG - TR7 UK | Europe 76-78 CL - TR7 USA | Canada 75-76 CP, CR - TR5PI | TR6 (petrol injection) CT 2198cc TR4 DG 1296cc 1300 Toledo DH 1296cc 1300 Dolomite DM 1492cc 1500 Toledo (Export) DS 1492cc 1500 Toledo (Export) FC (HE = 9.0:1, LE = 7.0:1) 1147cc Spitfire MkI FC50001 1147cc Spitfire MkII FD (HE = 9.0:1, LE = 7.5:1) 1296cc Spitfire MkIII FE (8.5:1 for emission controlled) 1296cc Spitfire MkIII USA FH (9.0:1) 1296cc Spitfire MkIV FK (8.0:1) 1296cc Spitfire MkIV USA FM (9:1-world, 7.5:1-US, 9:1-US in 1976) 1492cc Spitfire 1500 FL 1492cc Spitfire MKIV | 1500 Sweden FP (9:1-world, 7.5:1-US) 1492cc 1500 MG Midget G 948cc Herald 948 Saloon GA (HE = 8.0:1, LE = 6.8:1) 1147cc 1200 Herald Mk1 & Mk2, Herald Mk 2 Courier GB 1147cc 1200 Herald Mk2 (Export) GD (HE = 8.5:1) 1147cc 1200, 12/50 Herald GE (HE = 8.5:1, LE = 7.5:1) 1296cc Herald 13/60 GK 1296cc Herald 13/60 Late GY 948cc Herald Twin-Carb Saloon HB (HE = 8.75:1, LE = 7.0:1) 1596cc Vitesse 6 HC 1998cc Vitesse 2 litre MkI HC 1998cc Vitesse 2 litre Mk II (starting at HC50001) KC (9.5:1) 1996cc GT6 MkI, MkII (starting at KC50001) KD (9.25:1) 1996cc GT6 MkI, MkII (anti smog) KE (9.25:1) 1998cc GT6 MkIII KF (8.0:1) 1998cc GT6 MkIII USA KG 1998cc GT6 MkIII (Sweden) MB 1996cc 2000 MkI MG, MM, MN 2495cc 2500 ME or ML 1996cc 2000 MkII RD or RF 1296cc 1300 Front Drive TS 1998cc TR2 | 3 | 3A TSF 2198cc TR3B TT - Mayflower WB 1492cc 1500 Front Drive WF 1850cc 1850 Dolomite Y 948cc Herald 948 Coupé | Convertible YB 1492cc 1500 Front Drive YC 1492cc 1500 Rear Drive | Dolomite
note:
GA, GB, GD engines are similar to Spitfire FC engines.
GE, RD, RF engines are similar to Spitfire FD/FE engines.
DG, DH, FL, GK engines are similar to Spitfire MkIV FH, FK engines.
WB, VB, YC, DM, DS, FP engines are similar to Spitfire 1500 engines.
RD, RF engines are similar to GE, FD.
engine number suffixes:
H = high compression
L = low compression
U = USA with pollution equipment
C = California (w/catalyst)
E = engine (probably added to avoid confusion between engine and commission numbers)
FRE = Engine number suffix for "Factory Reconditioned Engine"
SS = (Factory) Supplied Spare/replacement or "Special Systems"
SK (Herald only) = probably similar meaning to the "SS" suffix used for Spitfires. According to factory shop manual: "from October 1965, spares conditon of stripped engine units were identified by suffix letters HESK"
racing engine numbers:
"70X" is the "Works" (Factory) 1147cc with eight-port head, "79X" is the 1296cc version. The 70 and 79 refer to the displacement of the engines in cubic inches.
