Ok, I'm about to do a tune up on a 2001 supercrew F150 w/ a 4.6 in it. The truck has about 130,000 miles, has had regular tune-ups by a local shop, and runs pretty good. I built my mustang from the ground up but have never really worked on a modular engine. What kind of oil and oil filter are you using on these trucks with high mileage and how many quarts are you putting in? Are there any tricks to keep the oil from hitting the supports? The truck has all the regular mods, k&n, exhaust, etc. Any help would be appreciated.