4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

pi heads

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Old 01-21-2004, 01:25 AM
  #1  
callmecobra
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Default pi heads

hey guys, i dont know anything about 2v's, will someone tell me what pi stands for
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Old 01-21-2004, 01:34 AM
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mabguru
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Default pi heads

Performance Improved. They resemble the heads off the 99+ mustangs with the tear drop shape port holes. Sending mine to the next town tomorrow to get ported and polished.
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Old 01-21-2004, 02:12 PM
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vfast
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Default pi heads

pain indaass
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Old 01-22-2004, 01:37 AM
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callmecobra
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Default pi heads



Originally Posted by mabguru
Performance Improved. They resemble the heads off the 99+ mustangs with the tear drop shape port holes. Sending mine to the next town tomorrow to get ported and polished.
</P>


how much hp do you gain?</P>
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Old 01-22-2004, 02:27 AM
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mabguru
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Default pi heads



With cams, matching lower intake, depending on the port and polish job anywhere from 60-100hp at the crank.</P>
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Old 01-22-2004, 10:53 PM
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USAMuscle
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Default pi heads



Originally Posted by mabguru
Performance Improved. They resemble the heads off the 99+ mustangs with the tear drop shape port holes. Sending mine to the next town tomorrow to get ported and polished.
</P>


You have it backwards. The non-PI heads have the teardrop shaped intake ports. The PI heads have more rectangular intake ports, allowing for more airflow.</P>


A PI head swap is IMO the best first major mod to a '96-'98 Mustang. Half the price of a blower, and you get a serious boost in power.</P>
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