Toyota E engine

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The Toyota E engine series are a family of straight-four multi-valve piston engines produced by Toyota Motor Corporation from 1985 to 1999. Like many other Toyota engines of the era, the E engine series features a cast iron block along with an aluminium cylinder head, and uses timing belts rather than chains. The members of the E engine family range from 1.0 L to 1.5 L. The E family supplanted the K engines in most applications. A large number of parts in the E engine series are interchangeable between each other. The E engine series was one of the first engines made by Toyota that were designed with fuel economy, practicality and everyday use in mind (rather than performance). They are designed to provide power and torque in the low-to-mid RPM range, as well as improving fuel efficiency. These engines are lightweight compared to earlier Toyota engines due to its hollow crankshaft, thinned casting of the cylinder block, and several other reductions in auxiliaries as well as in the engine itself. Carbureted versions include a newly-designed, variable-venturi carburetor. All of these changes improved fuel economy and emissions. The SOHC variants of the E engine series use three valves per cylinder for a total of 12 valves, which contrasts with other straight-four SOHC engines which typically have two valves per cylinder for a total of eight valves. DOHC variants of the E engine series have four valves per cylinder for a total of 16 valves, and used narrow-valve angles instead of the wide-valve angles used in some performance-oriented DOHC engines. The DOHC engines also used Toyota's High-Mecha Twin Cam system (also known as the "slave-cam system") which involves a single timing belt driving the two scissor geared camshafts together, with the timing belt driving the exhaust camshaft and the exhaust camshaft...