Quote:
Originally Posted by AppliedThinking
The low fuel pressure kinda bothered me (25psi at idle). It runs fine. However, reading on other F53 chassis and superduty 460 engines suggested possible fuel regulator challenges. There was some references to an adjustable fuel regulator as well. So, I took off the engine cover again for a peak. There is No Fuel Regulator on the top of the engine. I do see two fuel lines going down from the fuel rails to a location on the chassis drivers side. The journey continues....
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One of the fuel lines is a return line to the fuel tank. When the fuel rails don’t need the extra fuel, fuel gets sent back to the fuel tank.