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In the mid-1960s, as fuel injection systems swiftly replaced carburetors, Porsche enlisted Bosch to install a state-of-the-art slide-valve injection system in its 906, resulting in the 906E. This modification occurred as part of the transition from Weber carburetors. Concurrently, four 906Es were manufactured to participate in the 1967 Daytona and...
The technology in racing during the mid 60s was shifting from carburetors to fuel injection. Porsche began experimenting and the Bosch injection system proved to be the most reliable. Though the performance did not increase, it did provide superior throttle response over the Weber carburetors, and it was easier to tune. To compliment the new engine, a new body was created which reduced drag levels. Porsche dubbed the resulting car, with its new engine and body work, the 906E, with the 'E' representing 'Einspritzung, or injection.