![]() When introduced it had a 7.7:1 compression ratio. Production had been gradually transferred from the original Honsha plant to the new Toyota Kamigo plant in 1968. It is a square engine, with bore and stroke of 78 mm (3.07 in).Īgain, an LPG version, the 2R-LPG, was produced alongside the gasoline version. Road & Track was unimpressed with the engine on its introduction, noting that it idled quietly but was "not capable of very high revolutions per minute." The R engine was the Toyota engine used in the 1958 Toyota Crown, the first model to be exported to the United States. An LPG version, the R-LPG, was produced for the last two years. Induction was by a twin throat down-draft carburettor, the compression ratio was 8.0:1 and the total weight was 155 kg (342 lb). ![]() In common with new engines of the time, it was made from cast iron (both the block and the head), water cooled, used a three bearing crank, 12V electrics and a side-mounted gear-driven camshaft controlling overhead valves via pushrods in a non-cross flow head (exhaust and inlet manifolds being on the same side of the engine). The 1.5 L (1,453 cc) R family was produced from 1953 through 1964, and was originally manufactured at the Toyota Honsha plant.īore and stroke was 77 mm × 78 mm (3.03 in × 3.07 in).
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