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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 08-03-2009, 12:08 AM   #11
84foxT
 
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really now, so your saying that there is no oil going to the rocker arms or valve springs or anything on the head...............an if you think that you will also tell me i dont need valve covers
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Old 08-03-2009, 01:24 AM   #12
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All Im saying is that sometimes smoke comes out when you floor it. You dont want to confuse this with "engine rebuild time".
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Old 08-03-2009, 10:29 AM   #13
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really now, so your saying that there is no oil going to the rocker arms or valve springs or anything on the head...............an if you think that you will also tell me i dont need valve covers

Noooo, what was being said is that the oil that is at the valve seals isn't really under any pressure. So raising the oil pressure by hitting the throw isn't going to may them leak more do to the pressure.
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Old 08-03-2009, 01:07 PM   #14
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I saw a pretty good built 03 04 cobra and when is nailed the gas smoke came out of the tail pipes, i don't the motor was toast. But in 89MustangGT89 case, you might be nailing the gas while the motor is still cold making it run rich.
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Old 08-03-2009, 03:11 PM   #15
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Running rich creates black smoke. Blue smoke is oil bad valve seals usually create a blue puff on start up and all the time whether you're flooring it or not. Worn rings cause more blue smoke under load.
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Old 06-19-2011, 02:42 AM   #16
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so if i were to rebuild the engine the problem would be fixed basically?
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Old 06-19-2011, 02:48 AM   #17
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so if i were to rebuild the engine the problem would be fixed basically?
lol @ two year old thread.

if its run two years like that, it will probably be alright for a bit longer
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Old 06-19-2011, 04:13 AM   #18
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Ive posted about this stuff several times.... People will learn to search eventually.

Blue smoke under hard acceleration: Piston Rings
Blue smoke under engine deceleration: Valve Guides
Blue smoke on cold start: Valve seals

You car likely has a crankcase pressurization issue that is causing oil to get up into your cylinders. OR, your PCV system is sucking in too much oil, causing it to pool in the intake and run down into the cylinders.
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Old 06-19-2011, 07:00 PM   #19
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Ive posted about this stuff several times.... People will learn to search eventually.

Blue smoke under hard acceleration: Piston Rings
Blue smoke under engine deceleration: Valve Guides
Blue smoke on cold start: Valve seals

You car likely has a crankcase pressurization issue that is causing oil to get up into your cylinders. OR, your PCV system is sucking in too much oil, causing it to pool in the intake and run down into the cylinders.
lol i was looking thru all my post and just realized someone replied
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Old 06-19-2011, 07:20 PM   #20
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ok so in the 2 years since you made this thread,what does it run like now
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Old 06-19-2011, 07:20 PM
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