My knowledge is very minimum so trying to figure out what I’m looking even looking at and how bad & what I need to do order and do to fix. Rust & Gasket disappearing, oil around some of the plugs and plugs had oil and smelled like gas. Large crack on the passenger side rear I noted in the...
Howdy Gang,
I bought some spark plugs for my 66 thunderbird. 390 4 barrel. The spark plugs they gave me were "correct" for the 390 engine but they were smaller than the ones in the block. The ones I bought fit a 5/8 socket(motorcraft plugs) The engine plugs fit a 13/16 socket.
I'm guessing she...