Just did an oil change with 5w 30w mobil 1. I will keep everyone posted. I have a 2002 Taurus with the pushrod Vulcan motor. I usually change around 2500 to 3000 with Havoline 5w 30w. Will the Mobil 1 changed at 5000 miles keep the engine as clean as the dino Havoline being changed at 3000 miles? I am tired of crawling under the car so often, I dont want to go to a lube shop.