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 you know if its a gt40 head

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Old Mar 16, 2009 | 08:53 PM
  #1  
fastfoxbody's Avatar
fastfoxbody
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Default how you know if its a gt40 head

hey guys i just bought a car with gt40 heads on it and i want to make sure i didnt get shammed. if neone knows casting numbers or symbols or nething at all i would appreciate it
Old Mar 16, 2009 | 08:58 PM
  #2  
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racin66coupe
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pull the valve cover and itll say gt40
if not the under there i know it says it on the head somewhere
Old Mar 16, 2009 | 09:09 PM
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3 bars on the front of the head vs 4 for gt-40p's and gt-40p's have straight plugs vs angled on gt-40's
Old Mar 16, 2009 | 09:31 PM
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look for this
Old Mar 16, 2009 | 09:36 PM
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Originally Posted by fs308
look for this
That's a GT40p head (4-bars).... GT40 heads have 3.


Last edited by Joel5.0; Mar 16, 2009 at 09:40 PM.
Old Mar 16, 2009 | 10:01 PM
  #6  
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i know that. i was giving him an idea what to look for. obviously if those bars arent on his heads they arent gt40 anything. mjr already said that 3 bars are gt40s and 4 bars=gt40p's
Old Mar 17, 2009 | 08:46 AM
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93stallion302
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Ya just look for the bars mentioned above on the front of the head.
Old Mar 17, 2009 | 10:27 AM
  #8  
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lmfao are you serious? are you really trying to restate the obvious thats already been said?
Old Mar 17, 2009 | 11:41 AM
  #9  
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i know GT40's also have "GT" stamped all over them...i dont know about the 40-P's
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