Question on Engine V - MustangForums.com


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 07-23-2003, 09:34 PM   #1  
dsg02
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Default Question on Engine V



Not that long ago I bought a 95 GT with about 120,000 miles. I noticed the engine got pretty rough at higher RPMs and I replaced the balancer. Initially it seemed a lot smoother but now I still think the engine seems pretty rough say above 4,500 RPM. It doesn't burn any oil, I've replaced the dist cap, coil, wires, fuel filter, etc. - it doesn't make any strang noises at idle or anywhere else.

Am I being paranoid? Is it just what a 5.0 feels like at higher revs after 120,000 miles? Could it be something else more serious? I don't have alot of experience with V8s - maybe I'm just paranoid.

I know the engine revs to about 6,000 but it feels like I'm torturing it about say 5,000. Up to 4,500 it seems really smooth.

It is the engine and not the driveline because it feels the same way in neutral w/o any load.

What do you think?

Thanks,</P>


Greg
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Old 07-23-2003, 09:55 PM   #2  
Sean
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Could be something else, D shaft, U joints, or clutch going bad?
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Old 07-23-2003, 10:30 PM   #3  
dsg02
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It occurs even when I rev the engine up in neutral.</P>


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Thanks,</P>


Greg</P>
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Old 07-23-2003, 10:51 PM   #4  
makarovboy
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You didn't mention if you had the auto or stick. If it's an automatic, I would be checking the converter to flexplate. If the converter is loose or the flex plate is damaged, it could cause vibration. If it's a stick, I would check the tightness of the pressure plate to the flywheel or for clutch damage. All these parts rotate when the engine is running, regardless of what gear you're in or in neutral.
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Old 07-23-2003, 10:55 PM   #5  
Buzzstang
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could be the flywheel
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Old 07-24-2003, 12:58 AM   #6  
dsg02
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Thanks for the replies. It is a 5spd BTW.
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