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.

runs rough

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Old 12-03-2006, 06:26 PM
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1973 351CJ
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Having a problem. The car runs fine and then when it gets warm it starts missing and loses power and will then quit. After is cools will start and run fine until it warms up again. What gives?
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Old 12-03-2006, 06:27 PM
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musclemustang94
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Default RE: runs rough

What kind of car? if its a 73 CJ i would say your choke isn't shuttin off.
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Old 12-03-2006, 06:29 PM
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Default RE: runs rough

no it is a 84 gt350 with 5.0
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Old 12-03-2006, 06:37 PM
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84 Turbo stang
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Default RE: runs rough

wanna sell?
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Old 12-03-2006, 06:38 PM
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Default RE: runs rough

stiil could be choke. check the butterfly valve
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Old 12-03-2006, 06:50 PM
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not for sale the choke seems to be working fine,
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Old 12-03-2006, 06:53 PM
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Default RE: runs rough

It is not loading up like a choke problem, It will start missing and the longer you drive the worse it gets and keeps losing power. and it back fires through the exhaust and finally stops. when it is cooled down will start up and go again until it warms up
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Old 12-03-2006, 07:01 PM
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84 Turbo stang
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Default RE: runs rough

smart not selling that. has it ever overheated?
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Old 12-03-2006, 07:03 PM
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ih8chevy
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Default RE: runs rough

compression test u mite be losing some in a cylinder head and not kno it
have u done one already
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Old 12-03-2006, 07:08 PM
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It is #0126 of the 5000+ they sold and it is droptop also. It hasn't overheated since I have had it. Haven't run a compression test. It just seems odd that it only does it when it warms up>
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