If you are the owner of a Ford truck with a three-valve (3V) modular V-8 or V-10 engine built from 2004 thru 2007, you have either faced the misery of broken spark plugs-or you will. The Ford 4.6L, ...

The 6.2 V8 is built to last, but neglect and hack repairs left this engine seized, scored, and full of shrapnel.