"You've got to check you oil level regularly. You should be doing this enough that your oil doesn't get to the point where there is only about a quart in it."
10W40 Maxlife Semi syn, $14 for 5 quart bottle at Walmart. It would not hurt to try a Engine oil flush, add to old oil and run for 5-10 minutes and then drain and change filter and add new oil. Running Techron concentrate plus may help...
