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After buying a ford f350 with a 5.0 engine swap that was done by the previous owner It became apparent that I had a problem with the EFI on this swap. My fuel mileage bobtail was a poor 8mpg's. I knew I had a prob somewhere but I'm old school and could not find any good info until I finally came across this site. I learned the hard way that the F150, 250 and 350 have differing emission equipment and ECU but could not find any useful info on my truck that had the detail I needed to find the problem until I happened across your 5.0 swap tech info and wiring diagram. It has all the info I need and very clear for a simple mind like mine. A very big Thanx. Jeff
