Synthetic is a little more expensive, but when compared to the cost of major repairs to your engine, it’s dirt cheap, really. Got a question about cars? Write to Ray in care of King Features, 628 ...

If you're one of the many drivers with a car or truck that uses a 5.7-liter HEMI engine found in Chrysler, Dodge, RAM, and Jeep vehicles, you should be using a full synthetic or synthetic blend 5W ...