> I have a related question.

> My return fuel goes via a regulator and a solenoid to the proper tank. The

> system has been running at about 42PSI and the adjustment screw on the

> regulator is locked. Yesterday on a ground run I noticed that the fuel

> pressure was almost 50 PSI. This was the first time I'd run with the tanks

> almost full. I'm thinking that the return line is below the fuel level for

> the first time. Could that cause an 8 PSI increase in pressure or should I

> be looking for something else?

>

> John Slade (coming back in from the cold)

>

John;

 

Look for something else.  Whether the return is above or below the surface shouldn't make any noticeable difference.  8 psi pressure is equivalent to a vertical head of fuel of about 27 ft.

 

Al