Bravo Toto pour cette superbe trouvaille.
J'ai parcouru le web de long en large sans tomber sur une page aussi bien renseignée. Merci.
Un détail m'inquiète, cette page ne mentionne pas le "J" dans la liste (H, G, ...etc).
Et je n'arrive pas a trouver le numéro sur mon moteur. L'endroit ou il devrait être est vierge. Il y a bien la petite surface lisse sous le collecteur d'échappement ou devrait apparaitre le N°, mais rien de frappé. Le numéro doit être ailleurs.
Donc, autre question à ceux qui ont du Rover: Avez-vous vu votre numéro moteur, et où est-il?
Voici la copie du message sur les codes moteur Rover T16, écrit par "Andy W" sur le forum
Rover engine numbers are stamped on a machined face on the engine block under the exhaust ports. The numbers take the form:
20T4H H96 123456 (without the spaces)
This decodes as follows
20 = engine size (20=2000cc)
T = engine series (T, K, L etc)
4 = valves per cylinder (2 or 4)
H = fuel injection type (H=long track multiport injection Normally Aspirated, G=long track multiport injection Turbocharged, F=multiport injection, D=throttle body injection)
H96 = prefix code group indicating the vehicle, gearbox and ancillaries. Codes are listed at the end of this post
6 digit = engine number
Rover first produced the T-series engine in 1992. It was updated in 1994/95 (appears to be from engine number 101828) to reduce tolerances, stop carbon buildup causing sticking valves, and prevent oil leaks from the head.
1. Waisted carbon break valves were fitted
2. Shorter valve guides were fitted
3. Shorter black valve stem oil seals were fitted (older engines have longer green oil seals).
From engine number 128817 the composite head gasket with black sealant was replaced with an MLS head gasket (and the oil restictor was removed from the block as it was now built into the MLS gasket).
The engine was updated again for the 1996 model year (from engine number 135751). The distributor was removed and replaced with wasted spark dual coils, and MEMS was updated to 1.9. We don't believe any of these engines were fitted to Superspecs.
Incidentally, Rover 220 and 820 had pressed steel sumps, whereas Rover 420 and 620 had alloy sumps.
From analysis of the engine numbers and codes provided by current Superspec owners, we have determined that:
1. The engines are typically from the 1994 1/2 model year, so appear to have been built in 1995 (or between late 1994 and early 1996 towards the end of the MEMS 1.6 / distributor era.)
2. The engines are all nominally different and seem to have been built for a variety of different Rover cars - 220, 420, 620 and 820
3. Some would have had aircon; removing the aircon pump accounts for the different layout of the water pump and alternator ancillary drive
4. They should all be fitted with the shorter valve guides and black oil seals.
5. They should all be fitted with the MLS head gasket.
If you have your engine number, get the 3 digit prefix group after 20T4H, and look it up in the following list. This will indicate the car the engine was originally intended for, and the variant of injection, gearbox, air conditioning, etc. fitted. (Note only 2.0 litre T-series engines are listed):
Rover 200-400 to 1995
G22 - normally aspirated, K4BS gearbox
G23 - turbo, K7BX gearbox
G24 - turbo, aircon, K7BX gearbox
G25 - normally aspirated, aircon, K4BS gearbox
G62 - normally aspirated, K6BS gearbox
G74 - normally aspirated, aircon, K6BS gearbox
G75 - normally aspirated, aircon, K4BX gearbox
H35 to H38 - stripped engine
H50 to H51 - part engine
H79 - normally aspirated, 1994.5 model year, immobilisation, K4BS gearbox
H80 - turbo, 1994.5 model year, immobilisation, K7BX gearbox
H81 - turbo, aircon, 1994.5 model year, immobilisation, K4BX gearbox
H82 - normally aspirated, aircon, 1994.5 model year, immobilisation, K4BS gearbox
H83 - normally aspirated, 1994.5 model year, immobilisation, K6BS gearbox
H84 - normally aspirated, aircon, 1994.5 model year, immobilisation, K6BS gearbox
H85 - normally aspirated, 1994.5 model year, immobilisation, K4BX gearbox
H86 - normally aspirated, aircon, 1994.5 model year, immobilisation, K4BX gearbox
Rover 600
H65 - turbo, standard, manual gearbox
H66 - turbo, aircon, manual gearbox
J93 - turbo, standard, manual gearbox, 1996 model year
J94 - turbo, aircon, manual gearbox, 1996 model year
Rover 800 to Jan 1996
H16 - MPI Lucas injectors, aircon, auto gearbox
H20 - MPI Lucas injectors, auto gearbox
H33 - MPI Lucas injectors, turbo, W4DTUT manual gearbox
H34 - MPI Lucas injectors, turbo, aircon, W4DTUT manual gearbox
H39 to H42 - stripped engine
H50 to H51 - part engine
H93 - MPI Lucas injectors, aircon, 1994.5 model year, immobilisation, R4DT manual gearbox
H94 - MPI Lucas injectors, aircon, 1994.5 model year, immobilisation, V4DT manual gearbox
H95 - MPI Lucas injectors, turbo, aircon, 1994.5 model year, immobilisation, W4DT manual gearbox
H96 - MPI Lucas injectors, 1994.5 model year, immobilisation, R4DT manual gearbox
H97 - MPI Lucas injectors, 1994.5 model year, immobilisation, V4DT manual gearbox
H98 - MPI Lucas injectors, turbo, 1994.5 model year, immobilisation, W4DT manual gearbox
F82 - MPI, R4DT manual gearbox
F84 - MPI, aircon, R4DT manual gearbox
F86 - MPI, auto gearbox
F88 - MPI, aircon, auto gearbox
G10 - MPI, turbo, W4DT manual gearbox
G11 - MPI, turbo, aircon, W4DT manual gearbox
G26 - MPI, V4DT manual gearbox
G27 - MPI, aircon, V4DT manual gearbox
G69 - MPI Lucas injectors, aircon, R4DT manual gearbox
G70 - MPI Lucas injectors, aircon, V4DT manual gearbox
G71 - MPI Lucas injectors, aircon, auto gearbox
G72 - MPI Lucas injectors, turbo, aircon, W4DT manual gearbox
G78 - MPI Lucas injectors, R4DT manual gearbox
G79 - MPI Lucas injectors, V4DT manual gearbox
G80 - MPI Lucas injectors, auto gearbox
G81 - MPI Lucas injectors, turbo, W4DT manual gearbox
H04 - MPI Lucas injectors, turbo, W4DTUT manual gearbox
H05 - MPI Lucas injectors, turbo, aircon, W4DTUT manual gearbox
Edited October 13, 2017 by AndyW