Introduction The FA20 or 4U-GSE engine was a 2.0-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engine that was manufactured at Subaru’s engine plant in Ota, Gunma. While Subaru designated the engine as the FA20, Toyota initially referred to it as the 4U-GSE before adopting FA20. The FA20 engine was introduced in the Subaru BRZ and Toyota […]
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