For the A25 engines produced since 2017, see Toyota Dynamic Force engine.
For the Austin A-series engine, see BMC A-series engine.
Reciprocating internal combustion engine
Toyota A engine
4A-C engine
Overview
Manufacturer
Toyota
Production
1978–2006
Layout
Configuration
Inline 4
Cylinder block material
Cast iron
Cylinder head material
Aluminum
Valvetrain
SOHC, DOHC
Combustion
Fuel system
Carbureted, Fuel injected
Fuel type
Gasoline
The Toyota A Series engines are a family of inline-four 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. To make the engine as short as possible, the cylinders are siamesed.[1]
The development of the series began in the late 1970s, when Toyota wanted to develop a completely new engine for the Toyota Tercel, the successor of Toyota's K engine.[2] The goal was to achieve good fuel efficiency and performance as well as low emissions with a modern design.[3][4] The A-series includes one of the first Japanese mass-production DOHC, four-valve-per-cylinder engines, the 4A-GE, and a later version of the same engine was one of the first production five-valve-per-cylinder engines.[5]
Toyota joint venture partner Tianjin FAW Xiali produces the 1.3 L 8A and resumed production of the 5A in 2007.
^Hogg, Tony (ed.). "A better car than its styling would indicate". Road & Track's Road Test Annual & Buyer's Guide 1981. No. January–February 1981. CBS Publications. p. 176.
^Finnish "Tekniikan Maailma" Magazine, 17/82
^Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_tercel.htm
^Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_corolla83.htm
^"MR2 History". Archived from the original on 2015-07-03. Retrieved 2010-08-06.
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