Archives: drag racing

Optimum Air/fuel ratio

Is there an optimal air/fuel ratio for drag racing engines? While air/fuel ratio is important for fuel system management, there is no one optimum air/fuel ratio.  These depend on engine type, fuel type, and engine modifications.  Below are examples of some optimum air/fuel ratios for specific drag racing engine examples: engine induction fuel air/fuel ratio […]

Fuel Injection Fuel Splits in Front Mounted Superchargers of the 1950’s

Recently, I read a couple Hot Rod magazines from the 1950’s. In 1958, my favorite (mechanical fuel injection) propelled several Bonneville racers over 200 MPH. One went around 290 MPH. Those racer builders were the performance leaders of the time with amazing achievements!   Front mounted superchargers were common. Fuel splits of around 15 to […]