Emissions and Exhaust Systems
Chevy Silverado
Cadillac Fleetwood

Your 1987 Fleetwood has the 5.0 engine and it runs good and starts easily but it smokes like a son of a gun mainly blue smoke any ideas?

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Wiki User
September 06, 2010 2:01AM

If smoke is coming from the tailpipe, then could be worn rings, burned piston or valve guides are gone. Compression test will check rings and burned piston.

If from under the hood, check valve cover leaks onto the exhaust manifold.