Guys I have a 2005 Toyota Tundra 4.7 L motor with 5,000 miles on it. Live in NC . I have ran Havoline 5w 30 dino in it to date. Did the only oil change at 1,000 K's. I change the oil just once a year with the amount of miles I put on it. LOw amount . I use it for trips and exploreing really. I...