Toyota 1g Ge Engine Manual
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| Index | Rear Axle | Old ID Codes | New ID Codes | Engine Codes | Abbrevs | Links | Email |
Jump down to ...
Engine codes.
Engine specs.
Crossmembers.
Gearboxes.
Engine codes.
Most of these codes came from Matti's site.
Toyota uses the same option codes across most of its engines.
| TOYOTA | |||
| MODEL | A-RA28-MQGU-GG | ||
| ENGINE | 18R-GU 1968cc/120.0cu.in. | ||
| o | FRAME No. | RA28-020580 | o |
| COLOR/TRIM | 023 FP23 | ||
| TRANS/AXLE | P51 F312 O-12 | ||
| PLANT/G.V.W. | A41 | ||
| ENGINE | TOYOTA MOTOR CO.LTD. |
| 22R | JT2RA42CXB3123456 |
| 2366cc 144.4 cu.in. | |
| o | o |
| MODEL | RA43L-BCMSSA |
| C/TRA/TM | 033 FB11 T312 W50 |
The numbers before the first letter is the version number of the engine
(i.e. version 1, version 2, ... , version 18 ...).
After the dash we have the options as follows:
| B | Dual standard carbs (only used on non-twin cam engines, obsolete code) |
| C | Californian pollution control (also most of the world) |
| D | Uses leaded fuel (Super) when base engine uses regular |
| E | Electronic Fuel Injection |
| F | Twin Cam (economy) |
| G | Twin Cam (sports) with multiple sidedraft 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 (only used around 1985 when transverse was new) |
| 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 |
| 18R-C | is an 2000cc R series engine, 18th version, with Californian emmisions control |
| 18R-GUE | is a 2000cc R series engine, 18th version, with twin cam head, Japanese emmisions control and EFI |
| 3T-GTE | is a 1800cc T series engine, 3rd version, with twin cam head, turbo and EFI |
| 2T | is a 1600cc T series engine, 2nd version, with no special options |
| 12T-U | is a 1600cc T series engine, with TTC-C pollution control |
| 13T-U | is a 1800cc T series engine, with TTC-L pollution control |
Engine specs
Capacity = Bore² xpix Stroke x Cylinders / 4000
Eg for 18R
88.5mm x 88.5mm x 3.14159 x 80.0mm x 4 / 4000 = 1968cc
| Series | Type | Size | Bore x Stroke, Pitch | Years | Comments |
|---|---|---|---|---|---|
| 1A | I4 | 1500cc | |||
| 2A | I4 | 1300cc | |||
| 3A | I4 | 1452cc | 77.5 x 77.0mm | ||
| 4A | I4 | 1587cc | 81.0 x 77.0mm | ||
| 5A | I4 | 1498cc | 78.7 x 77.0mm | 1992-1999 | |
| 7A | I4 | 1762cc | 81.0 x 85.5mm | 1992-1999 | |
| B | I6 | 3386cc | 84.1 x 101.6mm | ||
| B | I6 diesel | 2977cc | -1977 | ||
| 2B | I6 diesel | 3168cc | |||
| 1C | I4 diesel | 1839cc | 83.0 x 85.0mm | ||
| 2C | I4 diesel | 1974cc | 86.0 x 85.0mm | ||
| 2D | I6 diesel | 6494cc | |||
| F | I6 | 3878cc | 90.0 x 101.6mm | 1955-1975 | |
| 2F | I6 | 4230cc | 1975- | ||
| 1G | I6 | 1988cc | 75.0 x 75.0mm | ||
| H | I6 | 3576cc | 1972- | ||
| 2J | 2481cc | -1972 | |||
| K | I4 | 1100cc | 75.0 x 61.0mm | ||
| 2K | I4 | 72.0 x ?mm | |||
| 3K | I4 | 1166cc | 75.0 x 66.0mm | ||
| 4K | I4 | 1290cc | 75.0 x 73.0mm | ||
| 5K | I4 | 1486cc | 80.5 x 73.0mm | ||
| 7K | I4 | 1800cc | |||
| L | I4 diesel | ||||
| 2L | I4 diesel | 2446cc | 92.0 x 92.0mm | ||
| M | I6 | 1988cc | 75.0 x 75.0mm | 1967-1983 | turbocharger option in 1982-1983 |
| 2M | I6 | 2253cc | 75.0 x 85.0mm | ||
| 3M | I6 | 1988cc | 75.0 x 75.0mm | Twincam version of M | |
| 4M | I6 | 2563cc | 80.0 x 85.0mm | 1971-1980 | |
| 5M | I6 | 2759cc | 83.0 x 85.0mm | 1981- | |
| 6M | I6 | 2954cc | 83.0 x 91.0mm | 1984- | |
| 7M | I6 | 2954cc | 83.0 x 91.0mm | 1986- | |
| P | I4 | 977cc | 68.93 x 65.45mm | ||
| 2P | I4 | 1198cc | 76.6 x 65.0mm | ||
| 3P | I4 | 1345cc | 76.6 x 73.0mm | ||
| 4P | I4 | 1345cc | 76.6 x 73.0mm | ||
| R | I4 | 1453cc | 77.0 x 78.0mm | ||
| 2R | I4 | 1490cc | 78.0 x 78.0mm | ||
| 3R | I4 | 1896cc | 87.8 x 78.0mm | Pushrod, OHV, 3 bearings | |
| 4R | I4 | 1587cc | 80.5 x 78.0mm | 1966-1971 | Pushrod. Always seems to have dual carbs |
| 5R | I4 | 1994cc | 88.0 x 82.0mm | Pushrod, OHV, 3 bearings | |
| 6R | I4 | 1707cc | 86.0 x 73.5mm | SOHC | |
| 7R | I4 | 1591cc | 86.0 x 68.5mm | SOHC | |
| 8R | I4 | 1858cc | 86.0 x 80.0mm | SOHC, DOHC | |
| 9R | I4 | 1587cc | 80.5 x 78.0mm | Twincam version of 4R | |
| 10R | I4 | 1858cc | 86.0 x 80mm | 1969-1971 | Twincam version of 8R, introduced in Sept 1969, renamed to 8R-G in Feb 1971 |
| 12R | I4 | 1587cc | 80.5 x 78.0mm | 1971-1982 | Pushrod. Replaced 4R |
| 16R | I4 | 1808cc | 88.5 x 73.5mm | 1973-1979 | |
| 18R | I4 | 1968cc | 88.5 x 80.0, 138mm | 1972-1982 | SOHC, DOHC, 5 bearings |
| 19R | I4 | 1968cc | 88.5 x 80.0mm | 1974-1977 | |
| 20R | I4 | 2189cc | 88.5 x 89.0mm | 1972-1980 | Shares many parts with 21R and 22R |
| 21R | I4 | 1972cc | 84.0 x 89.0mm | ||
| 22R | I4 | 2366cc | 92.0 x 89.0mm | 1981-1995 | Use with 20R head for increased compression ratio |
| 1S | I4 | 1832cc | 80.5 x 90.0mm | ||
| 2S | I4 | 1995cc | 84.0 x 90.0mm | ||
| 3S | I4 | 1998cc | 84.2 x 90.1mm | ||
| 4S | I4 | 1838cc | 82.5 x 86.0mm | ||
| 5S | I4 | 2163cc | 87.0 x 91.0mm | 1995-1999 | |
| T | I4 | 1407cc | 80.0 x 70.0mm | ||
| 2T | I4 | 1588cc | 85.0 x 70.0mm | 2T-U uses TTC-C | |
| 3T | I4 | 1770cc | 85.0 x 78.0mm | ||
| 4T(road) | I4 | 1791cc | 200 road units to homologate the race version | ||
| 4T (race) | I4 | 2090cc | 89.0 x 84.0mm | 20 Gr.B racing units, all with KKK turbos | |
| 12T | I4 | 1588cc | 85.0 x 70.0mm | same as 2T with different anti pollution controls | |
| 13T | I4 | 1770cc | 85.0 x 78.0mm | same as 3T with different anti pollution controls | |
| V | V8 | 2599cc | 78.0 x 68.0mm | 196x-? | Only in the Crown V8 and Century |
| 5V | V8 | 3994cc | 87.0 x 84.0mm | 1995-1997 | Only in the Century. Replaced by the V12 1GZ |
| 1X | I4 | 1892cc | Starfire engine from GM-Holden Australia for use in the Corona XT130 | ||
| Y | I4 | 1600cc | |||
| 2Y | I4 | 1812cc | 86.0 x 78.0mm | ||
| 3Y | I4 | 2000cc | |||
| 4Y | I4 | ||||
| 1FZ | I6 | 4163cc | 94.0 x 100.0mm | 1992-1998 | |
| 1GZ | V12 | 4996cc | 81.0 x 80.8mm | 1998- | |
| 1JZ | I6 | 2492cc | 86.0 x 71.5mm | 1992-1999 | |
| 2JZ | I6 | 2997cc | 86.0 x 86.0mm | 1992-1999 | |
| 1MZ | V6 | 4996cc | 87.5 x 83.8mm | 1995-1999 | |
| 2MZ | V6 | 2496cc | 87.5 x 69.2mm | 1998-1999 | |
| 3RZ | I4 | 2693cc | 95.0 x 95.0mm | 1998-1999 | |
| 1UZ | V8 | 3968cc | 87.5 x 82.5, 105.5mm | 1992-1999 | Alloy block, quad cam V8 for LS400, SC400 and Crown |
| 2UZ | V8 | 4664cc | 94.0 x 84.0mm | 1998- | Iron block, quad cam V8 for the Landcruiser |
| 3UZ | V8 | 4292cc | 91.0 x 82.5 | Alloy block, quad cam V8 for LS430, SC430 and Crown | |
| 3VZ | V6 | 2958cc | 87.5 x 82.0mm | 1992-1996 | |
| 4VZ | V6 | 2496cc | 87.5 x 69.2mm | 1992-1996 | |
| 5VZ | V6 | 3378cc | 93.5 x 82.0mm | 1998-1999 |
Cross members
| A | Distance between chassis-crossmember front bolts |
| B | Distance between chassis-crossmember rear bolts |
| C | Distance between front and rear chassis-crossmember bolts |
| D | Distance between centres of top strut bearings |
| E | Distance between lower arm pivot points |
| F | Length of lower arms |
| K | Distance between bolts on steering knuckle |
| Car | A | B | C | D | E | F | K |
|---|---|---|---|---|---|---|---|
| Carina A10/11/12/15/16 Celica A20/21/22/25/27 | 726.6mm | 705mm | 114mm | 970.8mm | |||
| Carina A17/18/3#/4# Celica A23/24/28/29/35/4# | 751mm | 733mm | 114mm | 1015mm | 588mm | 290mm | 95mm |
| Supra 4# | 740mm | 725mm | |||||
| Celica A6# | 755mm | 755mm | 85mm | 670mm | 290mm | 105mm | |
| Corolla E3# (and E5# ? | 718mm | 718mm | 125mm | ||||
| Corolla E7# | 775mm | 755mm | |||||
| Corona T13# | 751mm | 733mm | 114mm | 95mm | |||
| Corona T14# | 105mm | ||||||
| Cressida X6# | 95mm |
Gearboxes
| TOYOTA | |||
| MODEL | A-RA28-MQGU-GG | ||
| ENGINE | 18R-GU 1968cc/120.0cu.in. | ||
| o | FRAME No. | RA28-020580 | o |
| COLOR/TRIM | 023 FP23 | ||
| TRANS/AXLE | P51 F312 O-12 | ||
| PLANT/G.V.W. | A41 | ||
Pratt & Whitney
| ENGINE | TOYOTA MOTOR CO.LTD. |
| 22R | JT2RA42CXB3123456 |
| 2366cc 144.4 cu.in. | |
| o | o |
| MODEL | RA43L-BCMSSA |
| C/TRA/TM | 033 FB11 T312 W50 |
| K40 | alloy | 4 speed manual, usually behind K engines |
| K50 | alloy | 5 speed manual, usually behind K engines |
| T40 | alloy | 4 speed manual, usually behind T engines |
| T50 | alloy | 5 speed manual, usually behind T engines. Major internal revision part way through Corolla AE70. |
| W40 | steel | 4 speed manual, usually behind R and M engines |
| W42 | ? | 4 speed manual |
| W45 | alloy | 4 speed manual, behind Rand T engines |
| W50 | steel | 5 speed manual, usually behind R, M and early 1G engines |
| W51 | steel | 5 speed manual, usually behind later R and M engines |
| W52 | ? | 5 speed manual |
| W55 | alloy | 5 speed manual, behind R and turbo T engines |
| W56 | alloy | 5 speed manual |
| W57 | alloy | 5 speed manual, behind G engines (Supra, Cressida) |
| W58 | alloy | 5 speed manual, behind M engines (Supra, Cressida) |
| P51 | steel | 5 speed manual, close ratio box usually behind 18R-G engines Uses Porsche style syncromesh |
| A30 | ? | 3 speed auto, until August 1973 |
| A40 | ? | 3 speed auto, after August 1973 |
| A40D | ? | 4 speed auto |
| L40 L45 | 4 speed manual, usually behind K, R and L engines in 4WD and cargo vehicles | |
| L50 L52 | ? | 5 speed manual, usually behind K, R and L engines in 4WD and cargo vehicles |
| H42 | 4 speed manual, land cruiser | |
| G52 | 5 speed manual, in pickup and 4Runner | |
| A1xx | ? | FWD auto |
| A1xxF | ? | 4WD auto |
| A2xx | ? | FWD auto |
The same gearbox can have different length rear extensions in different cars.
The same gearbox can have different bellhousings in different cars.
However, the central part can still be swapped.
Exception is late AE70 T50 rear extension will not fit earlier T50 core.
| EngineGearbox | A40 | W50 | W55 | T50 |
|---|---|---|---|---|
| M series | o | o | o | |
| R series | o | o | o | |
| T series | o | o | o | |
| G series | o | o | o | |
| S series | o | o | ||
| A series | o | o |
Every entry in the above table requires a unique bellhousing.
The A40 column includes the A20/A30/A40/A40D .
The W50 column includes the W40/W42/W50/W52/P51 .
The W55 column includes the W45/W55/W56/W57/W58 .
The T50 column includes the T40/T50 .
The T and G series engines have different bellhousings (clutch cylinder on other side) but are otherwise interchangeable.
Toyota 1g Ge Engine Manual Diagram
W series gearboxes have a separate bellhousing.
Different bellhousings are used to connect a W50 gearbox to an R or M series engine.
Different bellhousings are used to connect a W55 gearbox to an R or T series engine.
Alloy W5# gearboxes are interchangeable with each other.
Alloy and steel W5# gearboxes are not interchangeable with each other.
W50 bellhousings do not fit the W55 gearbox and vice versa.
W55 bellhousings do fit the W56 and W57 gearboxes and vice versa.
W58 bellhousings are only compatible with W58 gearboxes.
All W## gearboxes after 1970 had the same output spline as the A## automatic gearboxes.
Some cars such as the MX13 Mark II came only with a W40 that had a unique rear extension and no W50 option.
It might be possible to use a W50 core combined with the old W40 bellhousing and rear extension.
All members of an engine family (eg 4R and 18R) can share gearboxes.
Input shaft splines may differ.
Flywheels and clutch diaphrams usually differ.
Some Celicas, Corollas and Coronas from around 1982 had the 3T-GTE engine with the alloy W55 gearbox.
Around this time the 18R-G was also available with the W55.
Different bellhousings were used.
Bellhousings for T and G engines seem to be compatible.
The Japanese GX51 Cresta has a 1G with W50 gearbox.
Any W50 and this rare Cresta bellhousing could be used behind a 3T-GTE.
The 3T-GTE normally has a bellhousing for a W55 but can use a 1G bellhousing (clutch slave on other side).
I have heard rumours that bellhousings for C engines are the same for either S or A engines.
One of these rumuors must be false.
Being compatible with A engines is more likely to be true.
The ST141 Corona uses a 2S engine mounted north-south.
Use this gearbox to put a 3S engine into older cars.
You will probably still have problems with the distributor hitting the firewall but you can use a crank angle sensor with an aftermarket computer.
| D | Overdrive |
| E | Electronically controlled |
| F | 4WD |
| L | ? |
Last updated 19 Dec 2012