Do-It-Yourself High Performance Car Mods

Supplying More Fuel

Since making more power often means burning more fuel, sometimes the fuel system needs to be upgraded to deliver additional fuel. The usual parts to consider are the fuel pump and, if you have an injected engine, the injectors. The other parts of the fuel system sometimes need upgrading too, either for performance or for safety.

HOW TO SIZE FUEL INJECTORS AND FUEL PUMPS

The parts of the fuel system must be sized so that they can supply the engine with enough fuel. Injectors or fuel pumps that are too small will make the engine run too lean at full throttle, which can cause serious damage. On the other hand, injectors have a minimum amount of fuel they can supply, and ones that are too large will cause the engine to run too ...