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*78 Chevyrado* · 10-16-2008, 02:08 PM

Black smoke is too much fuel, blue smoke is oil in the cylinder and white smoke is either condensation, or coolant leaking. Oil's either getting in around the valve seals or the piston rings. I'd bet on the valve seals, but a compression check will tell you if it's the piston rings or not.

10-16-2008, 02:08 PM	#4
78 Chevyrado Account Suspended Join Date: Dec 2007 Location: Unnapreciative, Trollville Posts: 2,079	Re: blue smoke Black smoke is too much fuel, blue smoke is oil in the cylinder and white smoke is either condensation, or coolant leaking. Oil's either getting in around the valve seals or the piston rings. I'd bet on the valve seals, but a compression check will tell you if it's the piston rings or not. Last edited by 78 Chevyrado; 10-16-2008 at 02:08 PM.