Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Lotsa smoke at startup. (Stock Chevy 350 with Q-Jet carb)
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Old 07-16-2004, 07:11 PM
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Valve seals and rings, the 23 year old 267 in my Malibu has the exact same thing, blue smoke at start-up.

For comparison purposes.

If you have black smoke it is from too much fuel.

White steamy exhaust at start-up is normal, BUT after the engine is warmed to operating temperature you would be experiencing a coolant leak into a cylinder from most likely a head gasket failure.
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