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Toyota A engine

For the A25 engines produced since 2017, see Toyota Dynamic Force engine.
For the Austin A-series engine, see BMC A-series engine.

Toyota A engine
4A-C engine
Overview
ManufacturerToyota
Production1978–2006
Layout
ConfigurationInline 4
Cylinder block materialCast iron
Cylinder head materialAluminum
ValvetrainSOHC, DOHC
Combustion
Fuel systemCarbureted, Fuel injected
Fuel typeGasoline

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.

  1. ^ 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.
  2. ^ Finnish "Tekniikan Maailma" Magazine, 17/82
  3. ^ Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_tercel.htm
  4. ^ Finnish "Ajovalo" web page http://www.ajovalo.net/Historia/toyota_corolla83.htm
  5. ^ "MR2 History". Archived from the original on 2015-07-03. Retrieved 2010-08-06.

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