I Recently Had Valve Covers And Gaskets Replaced But Now Car Will Not Star...

Two weeks ago replaced valve covers and gaskets added new intake manifold gasket also. But now car won't start

5.0 HO

Was the 5.0 Ho engine on the 1991 lincoln Mark 7 Lsc and option? could yo give me a list of options i could have got?

1990 Mark Vii Ride Height Sensor Nesessary After Converting To Springs

replace air ride with springs( suspension) do i have to hook up ride height sensor