When cleaning a car engine, any all-purpose cleaner or degreaser will work, and it can be very helpful to have access to a pressure washer. Learn to be generous when using degreaser on a car engine with help from car restoration specialists in this free video on car maintenance. Expert: Gary Malec & John Grassi Bio: Gary Malec and John Grassi rebuild cars and boats, do household handyman work, and build computers. Filmmaker: gary malec