Quote: Originally Posted by my65bug
A larger hose between the check valve and the pump will hold pressure and more of it. It will act like a tank until the pump is at full power. Plus its all physics with diameter and resistance. It is easier to have water flow through a certain size pipe than a smaller one.
The hose from pump to check valve on my car is about 8 inches long, hmmmm. Now that I have a check valve and not an electrical solenoid, I should move the check valve right down near the injector, like 6 inches away, I bet that will help some...