Engine sizes
Series Size
P
2P 1198cc
K 1100cc
3K 1156cc
4K 1300cc
5K
T 1400cc
2T 1588cc
3T 1770cc
12T 1588cc
13T 1770cc
4T
R 1453cc
2R 1490cc
3R 1900cc
4R 1587cc
5R 2000cc
6R 1707cc
7R 1591cc
8R 1858cc
12R 1587cc
16R 1808cc
18R 1968cc
20R 2200cc
21R 1972cc
22R 2400cc
M 1988cc
2M 2300cc
3M
4M 2600cc
5M 2759cc
7M 3000cc
1S 1832cc
2S
3S
Y
2Y 1812cc
1A
2A
3A 1452cc
4A 1600cc
1C 1839cc
2C 1974cc
1G 1988cc
1JZ
2JZ 2997cc

After the dash we have the options as follows:
B Dual carbs (only used on non-twin cam engines, obsolete code)
C Californian pollution control (also most of the world)
D Dual carbs but more powerful than -B
E Electronic Fuel Injection
F Twin Cam (economy)
G Twin Cam (sports), twin carbs (unless EFI)
H Unknown but never combined with -B or -C
i Single point fuel injection
II Unknown - possibly denotes L.A.S.R.E
J Unknown, possibly autochoke, possibly another anti-pollution control
L Transverse mounted engine (seems to be an obsolete code)
LPG LPG fuel
M Phillipines market (details unknown)
P LPG fuel
R Low compression for regular (not super or premium) fuel.
S Swirl intake ports (only a few made in mid '80s)
S Direct injection & swirl pot pistons (starting from '97/98)
T Turbocharged
U Japanese pollution control (introduction of "U"nleaded?).
Engine uses TTC-C, TTC-L or TTC-V.
Z Supercharged

This now makes Matts engine a 1G-FZE! :cool:

Gearboxes
T40 alloy 4 speed manual, usually behind T engines
T50 alloy 5 speed manual, usually behind T engines
W40 steel 4 speed manual, usually behind R engines
W50 steel 5 speed manual, usually behind R engines
W55 alloy 5 speed manual, behind R and T engines
W58 alloy 5 speed manual, behind M engines (Supra)
P51 steel 5 speed manual, close ratio box usually behind R-G engines
A30 ? 3 speed auto, until August 1973
A40 ? 3 speed auto, after August 1973

Sorry if i bored you!

sure is mate, I couldn't sleep last night so I put this post up and was asleep within seconds:P

well Graeme i found it worth a good read.............

Thanks Matt

It took me ages to type all those in, it's nice to know someone used it.

i am only joking graeme.. all information like that is a great reference!