Nissan Titan 5.6L V8 DOHC 315 HP GAS.
I tow a 17 ft. boat alot.
Mobil EP oil filter.
K&N air filter.
3010 Miles on oil. Using Pennzoil Platinum 5W-30.
47,163 on motor. It has seen alot of Pennzoil.
Sample date 7/27/07. No drain - kept using the oil.
Aluminum - 2 Univ. Avg. - 3
Chromium - 1 - 1...