You are considered unmarried on the last day of the tax year if you meet all the following tests. 1  You file a separate return. A separate return includes a return claiming married filing separately, single, or head of household filing status. 2  You paid more than half the cost of keeping up your home for the tax year.
Ford.Ford doesn't actually make the Motorcraft spark plugs, Autolite(owned by Honeywell) makes them. So buying OEM style Autolites is the same as buying Motorcraft spark plugs. Actually... Motocraft is a priviately owned company. They used to own Autolite, but sold it off in the 70's.
â¢ To install your new spark plug, first secure it in your spark plug socket. Plugs must be started by hand to ensure you do not strip the soft aluminum threads of the cylinder head. Spark plugs should thread smoothly and you should be able to thread them completely without the use of a socket wrench.