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T-VIS
Toyota Variable Induction System, or T-VIS, is a variable intake system designed by Toyota to improve the low-end performance of multi-valve engines. T-VIS is intended to improve the low-end torque of high-performance, four-stroke internal combustion engines - by changing the geometry of the intake manifold according to the engine rotation speed. The system uses two separate intake runners per cylinder, one being equipped with a butterfly valve that can either open or close the runner. All valves are attached to a common shaft which is rotated by a vacuum actuator outside the manifold. T-VIS does not actually keep one of the intake valves from opening or seal off the port for one valve.''Toyota Twin Cam'' p. 11 The engine control unit (E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota S Engine
The Toyota S Series engines are a family of straight-4 petrol or CNG engines with displacement from 1.8 L to 2.2 L produced by Toyota Motor Corporation from January 1980 to August 2007. The series has cast iron engine blocks and alloy cylinder heads. Table of S-block engines 1S The 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: July 1981 — unknown * Displacement: 1832 cc * Mounting: longitudinal * Type: SOHC 8-valve * Bore/stroke: 80.5 × 89.9 mm * Compression ratio: 9.1 * Outputs: ** at 5,400 rpm / at 3,400 rpm * Applicati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
