Injectors RSS

2020, Gauges, Injectors -

Injector cups, tips, sleeves, and tubes; there is some confusion in the industry about what these parts do and where they are. Injector cups are mounted on the injector. It is where the injector plunger compresses the fuel and injects it into the combustion chamber.  The cup, sometimes called the tip, is at the bottom of the injector and has the small holes, about .008 diameter, and atomizes the fuel and works in conjunction with the plunger.  Years ago when building the injectors for the Big Cam Cummins engines we would lap the plunger into the cup so when the...

Read more