![]() ![]() Press reports of the time reported that the larger engine produced a much smoother and quieter drive as well as enhanced torque. In order to provide adequate power with the lower compression ratio, a larger engine was needed, and the Fiat 147 was launched with a 1,049 cc (64.0 cu in) unit with a five-bearing crankshaft in place of the 903 cc (55.1 cu in), three-bearing engine that then was still standard in the 127s from Turin. However, the cheaper (so called yellow grade) petrol widely distributed in Brazil in 1976 had an octane rating of just 73, so for Brazil it was necessary to use a relatively low compression ratio of 7.2 to 1. During the two decades that followed the Second World War, the available fuels in Europe had featured progressively higher octane ratings, and compression ratios of European cars had increased correspondingly. ![]()
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