I am posting an oil analysis results for a friend who doesn't have internet access. Can you give him some input on these. Thanks
2000 F150 5.4L
Amsoil 5W-30 w/SDF-11 and K&N air filter
12,433 miles on oil/ 31,127 miles on truck
GLY COL/ NEG
Water/ Fuel/ Vis./ 12.0
Solids/ tr
OXD/ 26.7
NOX/...