5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Smokin' stang

Old 07-02-2008, 05:45 PM
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interceptorstang
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Default Smokin' stang

88 with 5.0 H.O. police interceptor motor. This is probably what I think it is, but here's the smoke under heavy acceleration, and occasionally at stoplites. The car runs real strong. I am thinking valve seals/guides, but PCV also comes to mind. It's not real bad, but noticable. Leaks no oil, and doesn't smoke on the interstate at speed (75).Thoughts??
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Old 07-02-2008, 05:52 PM
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PRO50SC
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Default RE: Smokin' stang

Can you tell what color the smoke is? That would help in identifing what fluid it's burning.
Black=gas/rich condition
Blue=oil burning
White=coolant burning
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Old 07-02-2008, 06:27 PM
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Default RE: Smokin' stang

DUH> I forgot the most important thing, it's oil, blueish.
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Old 07-02-2008, 06:42 PM
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Default RE: Smokin' stang

That's oil. How many miles on the motor and does it smoke upon start up after it has sit for a while?
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Old 07-02-2008, 06:45 PM
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Default RE: Smokin' stang

yes, it smokes a little, and I mean very little. just started it up, had set for 5 days, very minimal. Unknown miles. just bought, around 100k
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Old 07-02-2008, 07:47 PM
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Default RE: Smokin' stang

could be bad rings or gummed up oil control rings too
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Old 07-02-2008, 07:52 PM
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Default RE: Smokin' stang

That had crossed my mind. may try some "cure-in-a-can" as it can't get worse, and it may buy me some time. Thanks.
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