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definition - toyota a engine

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Toyota A engine

                   
A series engine family
Manufacturer Toyota

The A Series engines are a family of straight-4 internal combustion engines with displacement from 1.3 L to 1.8 L produced by Toyota Motor Corporation. The series has cast iron engine blocks and aluminum cylinder heads.

The development of the series began in the late 1970s, when Toyota wanted to develop a completely new engine for the Toyota Tercel, successor of Toyota's K engine.[1] The goal was to achieve good fuel efficiency and performance with a modern design.[2][3] The A-series includes the first mass-production DOHC, four-valve-per-cylinder engine, the 4A-GE, and a later version of the same motor was one of the first production five-valve-per-cylinder engines.[4]

Toyota joint venture partner Tianjin FAW Xiali still produces the 1.3 L 8A and recently resumed production of the 5A.[citation needed]

  1A

1A
Manufacturer Toyota
Production 1978–1980
Predecessor T
Successor 3A
Displacement 1.5 L (1,452 cc)
Cylinder bore 77.5 mm
Piston stroke 77.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain SOHC
Fuel type gasoline

The 1.5 L 1A was produced between 1978 and 1980.[5] All variants were belt-driven 8-valve counter-flow SOHC engine with a single, twin-barrel downdraft carburettor.

  1A-C

Applications:

  1A-U

Using Toyota TTC-C catalytic converter.

Output:

  • 80 PS (59 kW) at 5,600 rpm and 11.5 kg·m (113 N·m) at 3,600 rpm (compression at 9.0:1)[6]

Applications:

  2A

2A
2nd generation Toyota 2A Engine in a 1983 Toyota Tercel.
Manufacturer Toyota
Production 1979–1989
Predecessor 4K
Successor 2E
Displacement 1.3 L (1,295 cc)
Cylinder bore 76.0 mm
Piston stroke 71.4 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain SOHC
Fuel type gasoline

The 1.3 L 2A was produced from 1979 through 1989. 2A motors in 1982 onwards AL20 Tercels have a slightly different valve cover than early AL11 Tercels, as well as an automatic choke and higher compression ratio to improve the fuel economy. All variants used belt-driven SOHC eight-valve counter-flow cylinder heads with a single downdraft carburettor.

  2A, 2A-L, 2A-LC

Output:

  • 65 PS (48 kW) at 6,000 rpm and 98 Nm at 3,800 rpm (compression at 9.3:1)

Applications:

  2A-U, 2A-LU

Using Toyota TTC-C catalytic converter.

Output:

  • 70 PS (51 kW) at 6,000 rpm and 94 Nm at 3,600 rpm (compression at 9.3:1)

Applications:

  3A

3A
Manufacturer Toyota
Production 1979–1989
Predecessor 1A
Successor 5A
3E
Displacement 1.5 L (1,452 cc)
Cylinder bore 77.5 mm
Piston stroke 77.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain SOHC
Fuel type gasoline

The 1.5 L 3A was produced from 1979 through 1989. The 3A engine is the successor of Toyota's first A engine, the 1A. Compared to the 2A engine, this engine has a longer stroke, producing more torque at lower engine speeds. All variants were belt-driven eight-valve counter-flow SOHC engine with a single downdraft carburettor.

  3A, 3A-C

Output:

  • 71 PS (52 kW) at 5,600 rpm and 112 Nm at 2,400 rpm (compression at 9.0:1, EU spec)[7]

Applications:

  • AL12 Tercel 1979–1982 (ex. Japan)
  • AL21/25 Tercel 1982–1988 (ex. Japan)

  3A-U, 3A-LU

  1979 Toyota 3A-U engine.

Using Toyota TTC-C catalytic converter. On some models marked as 3A-II.

Output:

  • 83 PS (61 kW) at 5,600 rpm and 12.0 kg·m (118 N·m) at 3,600 rpm (compression at 9.0:1)[5]

Applications:

  • AA60 Carina 1981–1987 (Japan only)
  • AT150 Carina 1984–1988 (Japan only)
  • AE70 Corolla 1979–1983 (Japan only)
  • AE81/85 Corolla 1983–1987 (Japan only)
  • AL21 Corolla II 1982–1986 (Japan only)
  • AT140 Corona 1982–1987 (Japan only)
  • AT150 Corona 1983–1987 (Japan only)
  • AL12 Corsa (Japan only)
  • AL21/25 Corsa 1982–1989 (Japan only)
  • AW10 MR2 1984–1989 (Japan only)
  • AE70 Sprinter 1979–1983 (Japan only)
  • AE81/85 Sprinter 1983–1987 (Japan only)
  • AL25 Sprinter Carib 1982–1988 (Japan only)
  • AL21/25 Tercel 1982–1989 (Japan only)

  3A-HU

High compression version with Toyota TTC-C catalytic converter.

Output:

  • 86 PS (63 kW) at 6,000 rpm[8]

Applications:

  • AL21 Corolla II 1982–1984 (Japan only)
  • AL21 Corsa 1982–1984 (Japan only)
  • AL21 Tercel 1982–1984 (Japan only)

  3A-SU

Swirl-intake version with Toyota TTC-C catalytic converter, introduced in August 1984 along with a facelift for the Tercel (and its sister variants).[8]

Output:

  • 90 PS (66 kW) at 6,000 rpm (compression at 9.3:1)

Applications:

  • AL21 Corolla II 1984–1986 (Japan only)
  • AL21/25 Corsa 1984–1989 (Japan only)
  • AL25 Sprinter Carib 1984–1988 (Japan only)
  • AL21/25 Tercel 1984–1989 (Japan only)

  4A

4A
Manufacturer Toyota
Production 1982–2002
Predecessor 2T
Successor 3ZZ
Displacement 1.6 L (1,587 cc)
Cylinder bore 81.0 mm
Piston stroke 77.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain SOHC & DOHC
Fuel type gasoline

The 4A was produced from 1980 through 1998. All 4A engines have a displacement of 1.6 L (1,587 cc). The cylinder bore was enlarged from the previous 3A engines at 81 mm, but the stroke remained the same as the 3A at 77 mm, giving it an over-square bore/stroke ratio which favours high engine speeds.

Numerous variations of the basic 4A design were produced, from SOHC 2-valve all the way to DOHC 5-valve versions. The power output also varied greatly between versions, from 70 hp (52 kW) at 4,800 rpm in the basic California-spec 4A-C to 170 PS (125 kW) at 6,400 rpm in the supercharged 4A-GZE.

  4A, 4A-C, 4A-L, 4A-LC

  Toyota 4A-C Engine in a 1987 AE86 SR5 Corolla.

The 4A-C was a SOHC inline four (I4) 8-valve carburettor-equipped engine which produces 78-90 hp (58-67 kW) @ 4800 rpm, torque: 85 lb·ft (115 N·m) @ 2800 rpm. The power and torque output figures vary between different regions of the world.

North American market engines:

  • 4A-C 1.6 L I4, 8-valve SOHC, carb, 90 hp (67 kW) @ 4800 rpm

European market engines:

  • 4A-C 1.6 L, I4, 8-valve SOHC, carb, 84 hp (63 kW) @ 4800 rpm

Australian market engines:

  • 4A-C 1.6 L, I4, 8-valve SOHC, carb, 78 hp (58 kW) @ 4800 rpm

Applications:

  4A-ELU

Fuel injection was added. This increased output to 78 hp (58 kW) at 5600 rpm and 87 lb·ft (117 N·m) at 4000 rpm in export form and 100 hp (75 kW) at 5600 rpm and 101 lb·ft (136 N·m) at 4000 rpm for Japan. This version is also equipped with Toyota TTC-C catalytic converter.

Applications:

  • AT151 Carina 1984–1988 (Japan only)
  • AE82 Corolla 1983–1987 (Japan only)
  • AE82 Sprinter 1983–1987 (Japan only)

  4A-F

A narrow-valve (22.3°) DOHC 16-valve carb-equipped version, the 4A-F, was produced from 1987 through 1990. Output was 95 hp (71 kW) at 6,000 rpm and 129 N·m (95 lb·ft) at 3,600 rpm.

  4A-F engine in AT171 Toyota Carina II.

Applications:

  • AT171 Carina II 1987–1992 (Europe only)
  • AE92/95 Corolla 1987–1992 (ex. Japan)
  • AE95 Corolla 1988–1989 (Japan only)
  • AE101 Corolla 1992–1998 (Asia, Africa & Latin-America)
  • AE111 Corolla 1997–2001 (Asia, Africa & Latin-America)
  • AT171/177 Corona 1987–1992 (ex. Japan)
  • AE95 Sprinter 1988–1989 (Japan only)

  4A-FE

  1st generation 4A-FE engine.
  2nd generation 4A-FE engine.
  4A-FE engine sticker.

The 1987–1998 4A-FE is the descendant of the carbureted 4A-F.

The two generations of this engine can be identified by the external shape of the engine. The first generation (1987–1993) featured a plate on the head which read "16 valve EFI" and fuel injectors in the head. The second generation had a higher profile cam design in the head, a cam cover with ribs throughout its length, and fuel injectors in the intake manifold runners. Mechanically, the late-model motors received MAP load sensing and redesigned pistons, intake ports, and intake manifold. The second generation engine was produced from 1992–1998 (1993–1997 in the US).[9]

Toyota designed this engine with fuel economy in mind. The 4A-FE is basically the same as the 4A-F (introduced in the previous generation of Corollas), the most apparent difference being the electronic fuel injection system as noted by the E. The engine was succeeded by the 3ZZ-FE, a 1.6-liter engine with VVT-i technology.

  • Engine displacement: 1.6 L (1587 cc)
  • Layout: DOHC Inline-4 (Straight-4)
  • Valves: 16, 4 for each cylinder
  • Power: 113 hp (84 kW) @ 5800 rpm
    (Europe/Japan spec: 115 PS (85 kW; 113 hp) @ 6000 rpm)
  • Torque: 101 lb·ft (137 N·m) @ 4800 rpm
  • Redline: 6300 rpm
  • Fuel Delivery System: MPFI

Note: power and torque specs are from the 1988–1992 North American Corollas.

The 4A-FE is different from the 4A-GE in terms of performance and power. Although both have the same displacement and are DOHC, they were optimized for different uses. The first obvious difference are the valves, the engine's intake and exhaust valves were placed 22.3° apart (compared to 50° in the G-Engines). The second is that it employed a "slave cam system", the camshafts being geared together and driven off one camshaft's sprocket (both camshafts' sprockets on the G-Engine are rotated by the timing belt). Some of the less directly visible differences were poorly shaped ports in the earlier versions, a slow burning combustion chamber with heavily shrouded valves, less aggressive camshaft profiles, ports of a small cross sectional area, a very restrictive intake manifold with long runners joined to a small displacement plenum and other changes. Even though the valve angle is closer to what is considered in some racing circles to be ideal for power (approximately 25 degrees), its other design differences and the intake which is tuned for a primary harmonic resonance at low RPM means that it has about 10% less power compared to the 4A-GE engine. This engine design improves fuel efficiency and torque, but compromises power. Power rating varied from 100–105 hp in the US market. Late-model engines are rumored to make slightly greater power but still received a 105 hp rating.

Although not as powerful as the 4A-GE, both engines are renowned for the power they produce from such a low displacement relative to other engines. Toyota engineers had skillfully optimized the power and torque from the company's relatively low-displacement engines.

Applications:

  • AT220 Avensis 1997–2000 (ex. Japan)
  • AT171/175 Carina 1988–1992 (Japan only)
  • AT190 Carina 1984–1996 (Japan only)
  • AT171 Carina II 1987–1992 (Europe only)
  • AT190 Carina E 1992–1997 (Europe only)
  • AT180 Celica 1989–1993 (ex. Japan)
  • AE92/95 Corolla 1988–1997
  • AE101/104/109 Corolla 1991–2002
  • AE111/114 Corolla 1995–2002
  • AE101 Corolla Ceres 1992–1998 (Japan only)
  • AE111 Corolla Spacio 1997–2001 (Japan only)
  • AT175 Corona 1988–1992 (Japan only)
  • AT190 Corona 1992–1996
  • AT210 Corona 1996–2001
  • AE95 Sprinter 1989–1991 (Japan only)
  • AE101/104/109 Sprinter 1992–2002 (Japan only)
  • AE111/114 Sprinter 1995–1998 (Japan only)
  • AE95 Sprinter Carib 1988–1990 (Japan only)
  • AE111/114 Sprinter Carib 1996–2001 (Japan only)
  • AE101 Sprinter Marino 1992–1998 (Japan only)
  • AE92/AE111 Corolla/Conquest 1993–2002 (South Africa)
  • Geo Prizm base model (based on Toyota AE92 chassis) 1989–1997

  4A-FHE

Same as the first generation 4A-FE, only more aggressive tune for more output. Called an EFI-S engine.

Output:

  • 98 kW (131 hp) at 7699 rpm and 169 N·m (125 lbf·ft) at 9545 rpm (compression at 11.9:4)

Applications:

  4A-GE (16-valve)

  An early 4A-GE engine with the sparkplug wires removed. The cam covers feature black-and-blue lettering and the 'T-VIS' acronym is present on the intake manifold block.
  4A-GE with T-VIS
  The most powerful of the 16-valve 4A-GE engines, commonly known as the "red top" (due to the red writing), which produces 128 PS (94 kW; 126 hp) at 6,600 rpm.

The cylinder head was developed by Yamaha Motor Corporation and was built at Toyota's Shimayama plant alongside the 4A and 2A engines.[10] The reliability and performance of these engines has earned them a fair number of enthusiasts and a fan base as they are a popular choice for an engine swap into other Toyota cars such as the KE70 and KP61. New performance parts are still available for sale even today because of its strong fan base. Production of the various models of this version lasted for five generations, from May 1983 through 1991 for 16-valve versions and the 20-valve 4A-GE lasting through 1998.

The first-generation 4A-GE which was introduced in 1983 replaced the 2T-G as Toyota's most popular twincam engine.[11] This engine was identifiable via silver cam covers with the lettering on the upper cover painted black and blue, as well as the presence of three reinforcement ribs on the back side of the block. It was extremely light and strong for a production engine using an all-iron block, weighing in at only 123 kg (271 lb) - over fifteen percent reduction compared to 2T-GEU. It was also 4dB quieter.[11] While originally conceived of as a two-valve design, Toyota and Yamaha changed the 4A-GE to a four-valve after a year of evaluation.[12]

The 4A-GE produced 112 hp (84 kW) at 6,600 rpm and 131 N·m (97 lb·ft) of torque at 4,800 rpm in the American market. The use of a vane-type air flow meter (MAF), which restricted air flow slightly but produced cleaner emissions that conformed to the U.S. regulations, limited the power considerably - the Japanese model, which uses a manifold absolute pressure (MAP) sensor, was originally rated at 128 PS (94 kW). However, this was a gross power rating and the motor was later re-rated at 120 PS (88 kW) net.[13] Nonetheless, Japanese cars tested no faster than their American counterparts despite their higher power rating and a lower curb weight.[14]

Toyota designed the engine for performance; the valve angle was a relatively wide 50 degrees, which at the time was believed to be ideal for high power production.[12] Today, more modern high-revving engines have decreased the valve angle to 20 to 25 degrees, which is now believed to be ideal for high-revving engines with high specific power outputs. The first generation 4A-GE is nicknamed the "bigport" engine because it had intake ports of a very large cross-sectional area. While the port cross-section was suitable for a very highly modified engine at very high engine speeds, it caused a considerable drop in low-end torque due to the decreased air speeds at those rpms. To compensate for the reduced air speed, the first-generation engines included the T-VIS feature, in which dual intake runners are fitted with butterfly valves that opened at approximately 4,200 rpm. The effect is that at lower rpm (when the airspeed would normally be slow) four of the eight runners are closed, which forces the engine to draw in all its air through half the runners in the manifold. This not only raises the airspeed which causes better cylinder filling, but due to the asymmetrical airflow a swirl is created in the combustion chamber, meaning better fuel atomisation. This enabled the torque curve to still be intact at lower engine speeds, allowing for better performance across the entire speed band and a broad, flat torque curve around the crossover point.[15] During rising engine speed, a slight lurch can occur at the crossover point and an experienced driver will be able to detect the shift in performance. Production of the first-generation engine model lasted through 1987.

The second-generation 4A-GE produced from 1987 to 1989 featured larger diameter bearings for the connecting-rod big ends (42 mm) and added four additional reinforcement ribs on the back of the engine block, for a total of seven. The T-VIS feature is maintained. It is visually similar to the first-generation engine (only the upper cam cover now featured red and black lettering) and the US market power output was only increased to 115 hp (86 kW). The first- and second-generation engines are very popular with racers and tuners because of their availability, ease of modification, simple design, and lightness.

The third-generation appeared in 1989 and was in production until 1991. This engine has the silver cam covers with the words only written in red, hence the nickname "red top". Toyota increased the compression ratio from 9.4:1 to 10.3:1. To correct the air-speed problems of the earlier generations, the intake ports in this cylinder head were re-designed to have a smaller cross-section, and hence it has been nicknamed the "smallport" head. This change in the intake ports negated the need for the earlier twin-runner intake manifold and it was replaced with a single-runner manifold. Additional engine modifications to extend life and reliability included under-piston cooling oil squirters, thicker connecting rods and other components. Also of note, the pistons were changed to accept a 20 mm fully floating gudgeon pin unlike the 18 mm pressed-in pins of the earlier versions. All non-U.S. market 4A-GEs continued to use a MAP sensor, while all of the U.S.-market 4A-GE engines came with a MAF sensor. This revision increased the power to 125 PS (92 kW; 123 hp) at 7200 rpm with a torque of 149 N·m (110 lb·ft) at 4800 rpm (128 hp and 105 lb-ft for US-market cars).

The 4A-GE engine was first introduced in the 1983 Sprinter Trueno AE86 and the Corolla Levin AE86 sports version. The AE86 marked the end of the 4A-GE as a rear wheel drive (RWD or FR) mounted engine. Alongside the RWD AE86/AE85 coupes a front wheel drive (FWD or FF) corolla was produced and all future Corollas/Sprinters were based around the FF layout. The AW11 MR2 continued use of the engine as MR layout, transversely mounted midship. The engine was retired from North American Corollas in 1991, although it continued to be available in the Geo Prizm GSi (sold through Chevrolet dealerships) from 1990 to 1992. All 4A-GE engines (including the 20-valve versions below) feature a forged crankshaft rather than a cheaper and more commonly used cast version.

Clarification: In the U.S. market, the 4A-GE engine was first used in the 1985 model year Corolla GT-S only, which is identified as an "AE88" in the VIN but uses the AE86 chassis code on the firewall as the AE88 is a "sub" version of the AE86. The 4A-GE engines for the 1985 model year are referred to as "blue top" as opposed to the later "red top" engines, because the paint color on the valve covers is different, to show the different engine revision, using different port sizes, different airflow metering, and other minor differences on the engine.

The American Spec AE86 (VIN AE88, or GT-S) carried the 4A-GE engine. In other markets, other designations were used. Much confusion exists, even among dealers, as to which models contained what equipment, especially since Toyota split the Corolla line into both RWD and FWD versions, and the GT-S designation was only well known as a Celica version at that time.

In South Africa in 1993 the 4A-GE engine was dropped and replaced with the 7A-FE even as other countries moved towards the 20 valve 4A-GE, as South African fuel was not suitable at the time for the 4A-GE 20valve.

Applications:

Specifications:

  • Engine displacement: 1.6 L (1,587 cc)
  • Layout: DOHC Inline-4 (Straight-4)
  • Bore and Stroke: 81 mm × 77 mm
  • Dry Weight (with T50 gearbox): 154 kg (340 lb)
  • Valves: 16, 4 per each cylinder
  • Power: 115–128 hp (86–95 kW) at 6,600 rpm
  • Torque: 148 N·m (109 lb·ft) at 5,800 rpm
  • Redline: 7,600 rpm
  • Fuel Delivery System: MPFI

Toyota sponsored the Champ Car Atlantic Championship from 1990 to 2005. A kit version of the 4A-GE from Toyota Racing Development was used to power Formula Atlantic cars during this period. This engine used a modified 16-valve head and produced approximately 240 bhp (179 kW) at 8,400 rpm, revving out up to 12,000 rpm - although such an engine would only last a couple races before requiring a full rebuild.

  4A-GE (20-valve)

  Silver Top 20-Valve 4A-GE

Fourth Generation "Silver Top"
The fourth-generation 4A-GE engine was produced from 1991 to 1995. It has silver cam covers with chrome lettering, hence the nickname "silver top". This engine yet again features a completely new cylinder head which uses five valves per cylinder instead of four. It uses Toyota Variable Valve Timing (VVT) system on the intake cam, an increased compression ratio (10.5:1), and the intake system was replaced with a short manifold with individual throttles and velocity stacks, however the vane-type airflow meter was retained, requiring the use of a plenum. The previous 16-valve head used a sharply curved intake port, while the 20-valve engine used a very upright straight port. This engine produces 160 PS (118 kW) at 7,400 rpm with 16.5 kg·m (162 N·m) of torque at 5,200 rpm.

Applications:

  Black Top 20-Valve 4A-GELU

Fifth Generation "Black Top"
The fifth-generation 4A-GE engine produced from 1995 to 1998 is the final version of the 4A-GE engine and has black cam covers. This engine is commonly known as the "black top" due to the color of the valve cover, and yet again features an even higher compression ratio (11:1). The air flow sensor is replaced with a MAP sensor, the diameter of the four individual throttle bodies was increased from 42 mm to 45 mm, the exhaust port diameter was increased, the intake cam lift was increased from 7.9 mm to 8.2 mm and the intake ports were significantly improved in shape, contour and also the width at opening at the head was increased. Additionally, the black top had a lighter flywheel, a larger plenum, and revised rubber velocity stacks, and was also offered in 1997 with a six-speed C160 transaxle. This revision increased the power to 165 PS (121 kW) at 7,800 rpm with 16.5 kg·m (162 N·m) of torque at 5,600 rpm. These figures were issued by Toyota and are considered optimistic. It is assumed that Toyota ran the motor without ancillaries to inflate the power ratings, as some companies did before the adoption of the SAE J1349 rating standards in 2005. Still, the 'Blacktop' has become a favorite among enthusiasts and is used as an easy power upgrade for the early Toyota Corolla models, especially for use in the drift scene. Squeezing extra power from such a highly strung, naturally aspirated engine can be expensive because of the relatively high state of tuning of the stock motor, and most gains come from higher lift cams and engine management.

Applications:

  4A-GZE

The 4A-GZE (produced in various forms from 1986 through 1995) was a supercharged version of the 4A-GE. Based on the same block and cylinder head, the 4A-GZE engine was equipped with a Roots type supercharger producing 8 psi (0.6 bar) peak manifold pressure, and the compression ratio was lowered to 8:1 with the use of forged and dished pistons. Although fitted with upgraded pistons, they still had the same ports, valve timing, and head gasket as the naturally aspirated 4A-GE engine, although T-VIS was omitted. It was used in the supercharged MR2 and in Japan-only FWD Corollas, rated at 145 PS (107 kW; 143 bhp) at 6,400 rpm and 190 N·m (140 ft·lbf) at 4,400. In 1990 it was updated with the "smallport" cylinder head, 8.9:1 compression, and MAP D-Jetronic load sensing and a smaller supercharger pulley producing 10 psi (0.7 bar). These updated 4A-GZE motors were rated at 165 PS (121 kW) and 210 N·m (155 ft·lbf) for the 1990/1991 AE92 Corolla and 170 PS (125 kW) for the AE101.

The 4A-GZE is also popular for turbo conversions, as many parts do not need to be modified to support the extra boost.[16]

Applications:

  • AE92 Corolla 1987–1991 (Japan only)
  • AE101 Corolla 1991–1995 (Japan only)
  • AW11 MR2 1986–1989 (1988-1989 only in North America)
  • AE92 Sprinter 1987–1991 (Japan only)
  • AE101 Sprinter 1991–1995 (Japan only)

  5A

5A
Manufacturer Toyota
Production 1987–2006
Predecessor 3A
Successor 1NZ
Displacement 1.5 L (1,498 cc)
Cylinder bore 78.7 mm
Piston stroke 77.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain DOHC
Fuel type gasoline
  5A-FE

A smaller 1.5 L (1498 cc) 5A-F was produced in 1987 and the fuel injected 5A-FE was produced that year and again from 1995 through 1998. Both used a cylinder bore of 78.7 mm (3.1 in) and a stroke of 77 mm (3.0 in). Both had 4 valves per cylinder with DOHC heads and used the narrow 22.3° valve angle.

  5A-F

Output for the carb version was 85 hp (63 kW) at 6000 rpm and 90 lb·ft (122 N·m) at 3600 rpm.

Applications:

  • AT170 Carina 1988–1990 (Japan only)
  • AE91 Corolla 1987–1989 (Japan only)
  • AT170 Corona 1987–1989 (Japan only)
  • AE91 Sprinter 1987–1989 (Japan only)

  5A-FE

Toyota joint venture partner Tianjin FAW Xiali now produces the 5A-FE (dubbed 5A+) for its Vela and Weizhi (C1) subcompact sedans.

Output for the 1987 FI version was 104 hp (78 kW) at 6000 rpm and 97 lb·ft (131 N·m) at 4800 rpm. The later one produced 100 hp (75 kW) at 5600 rpm and 102 lb·ft (138 N·m) @ 4400 rpm. The version now produced by Xiali produces 100 hp (75 kW) at 6000 rpm and 96 lb·ft (130 N·m) @ 4400 rpm.

Applications:

  • Vela (China only)
  • AT170 Carina 1990–1992 (Japan only)
  • AT192 Carina 1992–1996 (Japan only)
  • AT212 Carina 1996–2001 (Japan only)
  • AE91 Corolla 1989–1992 (Japan only)
  • AE100 Corolla 1991–2001 (Japan only)
  • AE110 Corolla 1995–2000 (Japan only)
  • AE100 Corolla Ceres 1992–1998 (Japan only)
  • AT170 Corona 1989–1992 (Japan only)
  • AL50 Soluna 1996–2003 (Asia)
  • AE91 Sprinter 1989–1992 (Japan only)
  • AE100 Sprinter 1991–1995 (Japan only)
  • AE110 Sprinter 1995–2000(Japan only)
  • AE100 Sprinter Marino 1992–1998 (Japan only)
  • AXP42 Vios 2002–2006 (China only)

  5A-FHE

Same as the first generation 5A-FE, only more aggressive tune for more output. Called an EFI-S engine.

This engine produces up to 120HP due to slightly larger throttle than standard 5AFE and modestly competes better with AE101 Sprinter, Levins. Potential for upgrades to produce up to 180HP.[citation needed]

The next major modification was the high-performance 5A-FHE, with the fuel injected version, the 5A-FHE, being the most powerful. The 5A-FE was one of the earliest inline-4 engines to have both a DOHC 16 valve configuration (four valves per cylinder, two intake, two exhaust) and electronic fuel injection (EFI).[citation needed] The cylinder head was developed by Yamaha Motor Corporation. The reliability and performance of these engines has earned them a fair number of enthusiasts and a fan base as they are a popular choice for an engine swap into other Toyota cars.[citation needed] New performance parts are still available for sale even today because of its strong fan base.[citation needed] Production of the various models of this version lasted for five generations, from 1991 through 1999 for 16-valve versions and the 5-valve 5A-FHE lasted through 1998.[citation needed]

Applications:

  6A

6A
Manufacturer Toyota
Production 1988–1992
Displacement 1.4 L (1397 cc)
Cylinder bore 76.0 mm
Piston stroke 77.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain DOHC
Fuel type gasoline

The 1.4 L 6A-FC was the only 1.4 variant, produced from 1989 through 1992. Output was 82 hp (61 kW) and 87 lb·ft (117 N·m). This was a 4-valve DOHC engine.

  6A-FC

Applications:

  • AE90 Corolla 1989–1992 (Australia only)

  7A

7A
Manufacturer Toyota
Production 1990–2002
Predecessor 3T
Successor 1ZZ
Displacement 1.8 L (1762 cc)
Cylinder bore 81.0 mm
Piston stroke 85.5 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain DOHC
Fuel type gasoline
  Toyota 7A-FE Engine.

The largest production A-series engine was the 1.8 L (1762 cc) 7A-FE. Produced from 1993 to 1998, it was a 4-valve DOHC narrow-valve-angle economy engine stroked out from the 4A, also using the 4A-FE's slave-cam concept. Cylinder bore was 81 mm (3.19 in) and stroke was 85.5 mm (3.37 in).

An early Canadian version produced 115 hp (86 kW) at 5600 rpm and 110 lb·ft (149 N·m) at 2800 rpm. The common (1993 to 1994 North American) version is rated at 115 hp (86 kW) at 5600 rpm and 115 lb·ft (155 N·m) at 2800 rpm. The engine output was changed for the 1995 to 1997 (North American) version mainly due to a different antipollution system and different intake which made it rate at 105 hp (78 kW) at 5200 rpm and 117 lb·ft (159 N·m) torque at 2800 rpm

In the United States, the 7A-FE's most common application was in the 1993–1997 Corolla (7th generation). The engine was also used in some 1994–1999 Celicas (6th generation) at the base ST trim level, as well as the Toyota Corolla's clone, the Geo Prizm.

The Indonesian and Russian version of the 7A-FE has the strongest output, 120 hp (89 kW) at 6000 rpm and 16 kgf·m (157 N·m) at 4400 rpm, with 9.5 compression ratio. It appears in the 8th generation Corolla (AE112).

It is a non-interference type engine.

Toyota never made a wide-valve angle 7A-GE based on the 7A, but many enthusiasts have created one using a combination of 7A-FE parts (block, crank, rods) and 4A-GE parts (head, pistons). Likewise, an unofficial supercharged "7A-GZE" has also be built from 7A-FE, 4A-GE and 4A-GZE parts.

  7A-FE

Applications:

  • AT211 Avensis 1997–2000 (Europe only)
  • AT191 Caldina 1996–1997 (Japan only)
  • AT211 Caldina 1997–2001 (Japan only)
  • AT191 Carina 1994–1996 (Japan only)
  • AT211 Carina 1996–2001 (Japan only)
  • AT191 Carina E 1994–1997 (Europe only)
  • AT200 Celica 1993–1999 (ex. Japan)
  • AE92 Corolla ±1993–±97 (South Africa)
  • AE93 Corolla 1990–1992 (Australia only)
  • AE102/103 Corolla 1992–1998 (ex. Japan)
  • AE102 Corolla 1993–1997 (North America)
  • AE111 Corolla ±1997–±2000 (South Africa)
  • AE112/115 Corolla 1997–2002 (ex. Japan)
  • AE115 Corolla Spacio 1997–2001 (Japan only)
  • AT191 Corona 1994–1997 (ex.Japan)
  • AT211 Corona 1996–2001 (Japan only)
  • AE115 Sprinter Carib 1995–2001 (Japan only)

  8A

8A
Manufacturer Toyota
Production 1990–2002
Predecessor 3T
Successor 1ZZ
Displacement 1.8 L (1762 cc)
Cylinder bore 81.0 mm
Piston stroke 85.0 mm
Cylinder block alloy cast-iron
Cylinder head alloy aluminum
Valvetrain DOHC
Fuel type gasoline

A 1.3 L 8A is now produced by Tianjin FAW Xiali for its Daihatsu and Toyota-based subcompacts. It uses the same cylinder bore of 78.7 mm (3.1 in) as the 5A with a reduced stroke and a 4 valves per cylinder DOHC head.

Output is 86 hp (64 kW) at 6000 rpm and 81 lb·ft (110 N·m) @ 5200 rpm.

  8A-FE

Applications:

  • AXP41 Vios 2002–2006 (China only)
  • AXP41 VIZI 2002–2006 (China only)

  Production

The 1.3 L and 1.5 L A engines are built in Tianjin FAW Toyota Engine Co., Ltd. Plant No. 1.[17]

  See also

  References

  1. ^ Finnish "Tekniikan Maailma" Magazine, 17/82
  2. ^ Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_tercel.htm
  3. ^ Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_corolla83.htm
  4. ^ "MR2 History". http://www.toyota.co.uk/cgi-bin/toyota/bv/generic_editorial.jsp?navRoot=toyota_1024_root&edname=Heritage_MR2_Gallery&catname=/toyota_1024_root/main_nav/used_cars&menuid=90363&zone=Zone+MR2&id=Heritage_MR2_Galleryn. Retrieved 2010-08-06. 
  5. ^ a b (in Japanese) Car Graphic: Car Archives Vol. 11, '80s Japanese Cars. Tokyo: Nigensha. 2007. p. 8. ISBN 978-4-544-91018-6. 
  6. ^ Lösch, Annamaria, ed. (1979). World Cars 1979. Pelham, NY: The Automobile Club of Italy/Herald Books. pp. 380–381. ISBN 0-910714-11-8. 
  7. ^ Finnish "Tekniikan Maailma" Magazine, 4/87
  8. ^ a b Car Graphic Car Archive '80s, p. 10
  9. ^ "toyoland.com 4af and 7af engines". http://www.toyoland.com/engines/4A-F.html. Retrieved 2007-07-18. 
  10. ^ Toyota Twin Cam, p. 22
  11. ^ a b All About the Toyota Twin Cam, 2nd ed., Tokyo, Japan: Toyota Motor Company, 1984, p. 14, http://www.3sgte.com/page_16.htm 
  12. ^ a b Toyota Twin Cam, p. 15
  13. ^ "Classic Cars Page". Autozine.org. http://autozine.org/classic/toyota.htm#MR2. Retrieved 2011-11-08. 
  14. ^ Road & Track Magazine, November 1984
  15. ^ Toyota Twin Cam, p. 11
  16. ^ 4AG Tech Notes.
  17. ^ "Tianjin FAW Toyota Engine's Plant No. 2 to Mark Engine Production Start". .toyota.co.jp. 2007-04-20. http://www2.toyota.co.jp/en/news/07/0420_02.html. Retrieved 2011-11-08. 

  External links

   
               

 

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