Toyota Car Parts - A Series Engines

It is speculated that the 4A-GE is actually a road-going version of the Ford Cosworth BDA racing engine, reverse engineered by Toyota as the bore and stroke dimensions are similar and there are many similarities in the engine design, making it a reliable engine for motorsports applications The 1987–1998 4A-FE is the descendant of the carbureted 4A-F The 4A-GE was one of the earliest inline-4 engines to have both a DOHC 16 valve configuration (four valves per cylinder, two inlet, two exhaust) and electronic fuel injection (EFI) The use of an air flow meter (MAF) sensor, which restricted air flow slightly but produced cleaner emissions that conformed to the US regulations, limited the power to 112 hp whereas the Japanese model — which used a manifold absolute pressure (MAP) sensor — produced 130 PS (96 kW) The first-generation 4A-GE which was introduced in 1983 replaced the 2T-G in most applications The engine was used in the Toyota Corolla Sedan from 1988 to 1998 and in the 5th Generation Celica ST models from 1989 to 1993 both in North America and Europe, as well as the Camry from '87 to '91 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 Applications:
1992 Toyota Corolla Levin, Sprinter Trueno AE101 (silver top): All GT models (GT Apex, GT-V etc)
1995 Toyota Corolla Levin, Sprinter Trueno AE111 (black top): All BZ models (BZG, BZR, BZV etc) Toyota sponsored the Champ Car Atlantic Championship from 1990 to 2005 Toyota increased the compression ratios from 9·4:1 to 10·3:1 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 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) The difference between the two generations of this engine can be identified by the external shape of the engine, the first generation (1987–1993) have a more rugged look, a plate on the head which read '16valve EFI', and the fuel injectors in the head This raised the airspeed which caused better cylender filling and also better fuel atomisation Torque was less spread from 75 ft·lbf (101 N·m) at 2800 rpm to 89 ft·lbf (120 N·m) at 4000 rpm To correct the air-speed problems of the earlier genrations of engine the heads inlet ports were redesigned to have smaller cross section inlet ports, and hence has been nickanmed as the 'smallport head' 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. It was a 2-valve SOHC like the 1A and 2A. The 4A-GE was first introduced in the 1983 Sprinter Trueno AE86 and the Corolla Levin AE86 sports version 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 Output ranged from 65–75 hp (48–56 kW) at 5400–6000 rpm and 72–79 ft·lbf (97–107 N·m) at 3600 rpm. Only the AE86 version carried the 4A-GE engine and GT-S designations in the US In other markets, other designations were used This version, although from the same series and the same generation as the 4A-GE, is different from its 'brother' in terms of performance and power. 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 (the AE82) was produced and future Corollas/Sprinters were all based around the FF layout Numerous variations of the basic 4A design were produced, from SOHC 2-valve all the way to DOHC 5-valve versions. The first obvious difference are the valves, the engine's intake and exhaust valves were placed 22. 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 in to other Toyota cars such as the KE70 and KP61 The next major modification was the high-performance 4A-G, with the fuel injected version, the 4A-GE, being the most powerful Although it is to be noted that more modern high reving engines have since closed up the valve angle to 20 to 25 degrees which is now believed to be ideal for high reving engines with high power per litre Clarification: In the US 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 New performance parts are still available for sale even today because of its strong fan base The engine was succeeded by the 3ZZ-FE, a 1·6-liter engine with VVT-i technology. An AE85 chassis code may be a base model Corolla, or an SR-5, with a 4A-C engine It was a 2-valve SOHC engine. Production of the various models of this version lasted for five generations, from 1983 through 1991 for 16-valve versions and the 5-valve 4A-GE lasted through 1998. The 1·3 L (1295 cc) 2A was produced from 1979 through 1986. This engine has the silver cam covers with the words only written in red, hence the nickname 'red top' The TVIS feature is maintained Toyota engineers had skillfully optimized the power and torque from the company's relatively low-displacement engines. To compansate for the reduced air speed the first-generation engines included the TVIS feature, in which dual intake runners are fitted with butterfly valves that opened at approximetly 4200 RPM. 5 L. It is visually similar to the first-generation engine and the power output is unchanged, but the upper cam cover now featured red and black lettering The first- and second-generation engines are very popular with racers and tuners because of the ease of modification, simple design, and lightness Toyota joint venture partner Tianjin FAW Xiali still produces 1·3 L 8A and recently restarted production of the 5A. Power output ranged from just 62 hp (46 kW) at 4800 rpm all the way to 90 hp (67 kW) at 6000 rpm. This change in the intlet ports negated the need to have the need for the earlier twin runner manifold and was replaced with a single runner manifold The 1·5 L (1452 cc) 1A was produced in 1978 and 1979. A kit version of the 4A-GE from Toyota Racing Development was used to power Formula Atlantic cars during this period The series began in the late 1970s with the 1A, an SOHC engine with a displacement of 1. This engine used a modified 16-valve head and produced approximately 240 horsepower at 8400 rpm.

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