man4mopar

Thanks for the information much appreciated. #3 I should have used the term pressure gauge port instead of sensor. Some put the port before a filter as a means to know when to change the filter. Wanted to make sure the psi I saw on your gauge was the actual restriction of the VP with the volume of fuel you send it not something else like a filter. You saved me some time in trial and will now regulate pressure before the VP. Cheers and enjoy your day, Josh

Greetings, Very interesting posting Michael and believe I learned a possible plan will not work. I seen a video believe post #43 and looks like you had the overflow valve removed and still read fuel pressure over 15psi.I am hoping you can answer a few questions from that experiment. 1. Was the overflow port completely open no restrictions? 2. Did you indeed have a 15+ psi reading with that port fully open? 3. Is your fuel pressure sensor reading only the restriction from VP44, not installed before a filter or some other restriction? If that is all yes then my plan wouldn't work, too much restriction inside the VP44 to control input pressure via a regulator on the overflow port (OFV removed). And then it really hints that even at 10 psi the overflow valve is likely kept open by the internal vane pump but just a hunch as it would require another test similar to what you did but only supply 10 psi and have the OFV installed and measure the flow. Awesome thread and keep up the great work! Cheers, Josh