Cosworth tested turbocharged BD version. They finally built an all-new turbocharged 1.5 L V6 engine. This engine was badged (named) the Ford TEC. Inside Cosworth, it was known as the GB-series. This engine had a long development history. It only raced only for a short time. In was used by the Haas Lola team in and the Benetton Formula team in .
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