Why is my mechanical fuel pump leaking?
Why is my mechanical fuel pump leaking? Fuel System Leaks Most mechanical fuel pumps have a weep hole on the bottom of the unit. Likewise, the rubber hose can also become worn out over time, leading to fuel leaks. If you notice that this component is damaged, replace it with a reinforced rubber fuel hose. Does a Holley Blue fuel pump need a return line? The “blue” pump, P/N12-802-1, is rated at 110 GPH and it is designed for street/strip applications. These feature a gerotor pump design which is extremely efficient and quiet. Fuel pressure is pre-set at 15 PSI...