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.

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Old 06-20-2009, 09:55 AM
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my94pony
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i have a 85 gt 5.o stock it blows smoke out of exhaust i did a comprssion test all cylinders read 145 is that good? any suggestions?valve guides or seals maybe?thanks
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Old 06-20-2009, 10:35 AM
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mustangsneverdie
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what color is the smoke
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Old 06-20-2009, 10:58 AM
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not sure looks white
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Old 06-20-2009, 11:39 AM
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mustangsneverdie
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if it's oil smoke it's gonna have a blue tint to it
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Old 06-20-2009, 12:24 PM
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mudvayne1
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It's antifreeze.
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Old 06-20-2009, 01:12 PM
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Originally Posted by mudvayne1
It's antifreeze.
i agree
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Old 06-20-2009, 05:11 PM
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what causes it?
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Old 06-20-2009, 06:17 PM
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mstngsule68
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intake gasket, cracked head, blown head gasket.
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Old 06-20-2009, 07:59 PM
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mattkoly
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He does have good compression so blown head gasket is unlikely and cracked head is still a possibility but if it's bad you will see it in compression test as well.
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Old 06-20-2009, 08:22 PM
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i had good compression with a bad head gasket........
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