After flowing a bunch of fuel pumps on our fuel system flow bench, we started thinking that it would be interesting to see how much fuel the actual cylinder heads can move through their integral fuel rails.
Fuel temperature seems to pop up as a topic of discussion among those doing 7.3L or 6.0L fuel system modifications every few years. Most recently, a manufacturer and proponent of the “4-Corner Feed” style of fuel system has been pushing “Lower Fuel Temperatures” as a selling point for their product…
During the same period of time that we were all testing different variations of engine fuel system plumbing (Regulated Return work), another F-D.com member named Mark Hutchison (hutchinaugusta) made an equally, if not bigger discovery in the fuel delivery system underneath our trucks.
Writing this series of articles is long overdue, and because of how long it has been since some of these events took place, I’m sure I’m going to get some names/details wrong.
If It Aint’ Broke, Don’t Fix it?
