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.

gt40 cast iron heads

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Old 10-28-2007, 11:56 AM
  #11  
OnyxCobra
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Default RE: gt40 cast iron heads

ORIGINAL: AdderMk2

ORIGINAL: cleanfitty

Any other markings or casting numbers???
if there were... I would have told you...
well what's the difference that requires the GT40Ps to use unique headers? Would that be something visual?
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Old 10-28-2007, 12:05 PM
  #12  
Cobra77
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Default RE: gt40 cast iron heads

Spark plug location and angle. The GTP's have 4 bars on them | | | |, while the regular GT's have 3, | | |.
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