Toyota S engine
Engine series from Toyota
The Toyota S Series engines are a family of straight-four petrol (or CNG) engines with displacements between 1.8 and 2.2 litres, produced by Toyota Motor Corporation from January 1980 to August 2007. The S series has cast iron engine blocks and aluminium cylinder heads. This engine was designed around the new LASRE technology for lighter weight – such as sintered hollow camshafts.
Table of S-block engines
1S
The 1.8 L (1,832 cc) 1S is the first version of the S-series engine. It is a member of Toyota's Lasre engine family (Lightweight Advanced Super Response Engine). Bore and stroke are 80.5 x 90.0 mm. The engine was first seen in 1981, and was fitted to a wide range of Toyotas, in both RWD and FWD applications.
1S (1S-U)
Original 1S engine, designed for longitudinal, rear-wheel-drive applications. Designated 1S-U with Japanese emissions controls.
Production: June 1981 — June 1988
Displacement: 1832 cc
Mounting: longitudinal
Type: SOHC 8-valve
Bore/stroke: 80.5 × 89.9 mm
Compression ratio: 9.1
Outputs:
100 PS (74 kW) at 5,400 rpm / 152 N⋅m (112 lb⋅ft) at 3,400 rpm
Applications:
Toyota Celica (SA60)
Toyota Carina (SA60)
Toyota Corona (ST140)
Toyota Mark II (SX70)
1S-L (1S-LU)
Adaption of the 1S engine, designed for transverse, front-wheel-drive applications.
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