TODAY is a Great Day to visit our Store and order the parts you need for your truck ! ! !
If she were my whale, I would take my buffer pad and have my way with her...
I have an older motor head friend, 80's or more, who stated that by advancing the timing chain by one tooth you will increase your mileage by better than the 8-10 mpg so common with the venerable 460. Not a Ford guy, but have no reason to doubt him.