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MECHANICAL FUEL PUMP FOR MFI Mechanical fuel injection uses a positive displacement fuel pump to load the jetting distribution system. Proper fuel pump size and jetting is vital for good performance and good spark plug readings. In the past, Hilborn fuel pumps were rated by the manufacturer at 1,800 RPM fuel pump speed. Enderle, […]
Our 5000 Horsepower on Methanol tech manual features specs on some very high output methanol racing engines. A 6,000 horsepower combination is detailed on p. 132. It is based on a top fuel drag racing V-8 long block with two stage compressors. A minimum fuel pomp size is 32 GPM at 4000 pump RPM. Boost […]
For a mechanical fuel injection (MFI) engine with a forward facing air scoop, ram air into the scoop increases with speed. At about 200 MPH, a 14% increase in air was determined in our drag racing car as an example. A corresponding increase in fuel was the best way to maintain an optimum air to […]