MFI was developed by Kugelfischer and built by Bosch, first used in the 906 race car in 1966 before reaching road 911E/S in 1969. The 1969 E and S MFI pumps are prized for ST and RSR race builds. …
Mechanical Fuel Injection (MFI) — 1969-1973 E and S
Porsche 911 (F-series) · mechanical