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.

how much HP

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Old 07-20-2003, 10:08 PM
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'89 GT
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Hey ,guys I'm wondering how much HP does a stock '89 GT have. </P>


Thanx.</P>
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Old 07-20-2003, 10:19 PM
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makarovboy
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According to ford, 225hp.
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Old 07-20-2003, 10:32 PM
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thanx for the info
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Old 07-20-2003, 10:46 PM
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vfast
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IT's more like 205
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Old 07-20-2003, 11:26 PM
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makarovboy
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In '93 it went to 205hp because ford supposedly came up with a different way of determining the hp. (Don't ask me!) I have a '93 5.0 and it's rated at 205. I have a theory that it went from 225 to 205 because '93 is the year that the 5.0 was built with hypereutectic pistons.
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Old 07-21-2003, 07:35 AM
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horatio102
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I don't think 225 is far off.
My 91 with 25% loss on cyl 6 still put 206 to the rear tires with mac headers, catless H pipe, flowmasters, and a msd blaster coil.
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