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

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Old Dec 24, 2006 | 02:03 PM
  #1  
97stang33's Avatar
97stang33
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Default heads

how much power does the PI heads for a 96-98Gt give you. or is it just worth get a pair of patroit heads
Old Dec 24, 2006 | 02:05 PM
  #2  
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meebix
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Joined: Nov 2005
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From: NJ
Default RE: heads

For a quick response I'm pretty sure people have been getting 30-40 to the wheels from a PI swap.

Someone correct me if that is wrong. The PI swap on a 96-98 is WELL worth it though.
Old Dec 24, 2006 | 03:39 PM
  #3  
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ripper
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Default RE: heads

Only problem with PI swap is compression. You will have10:1.
Old Dec 24, 2006 | 03:40 PM
  #4  
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lizzyfan
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From: Helaware
Default RE: heads

ORIGINAL: ripper

Only problem with PI swap is compression. You will have10:1.
That's a problem?????
Old Dec 24, 2006 | 04:28 PM
  #5  
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96GT226410
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From: New Jersey
Default RE: heads

After the PI swap, you should be running a higher octane gas. No more regualr gas. And the raise in compression is fine. [sm=nxsmile.gif]
Old Dec 24, 2006 | 04:30 PM
  #6  
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jmmorgan82
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Joined: Oct 2005
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From: San Marcos, TX
Default RE: heads

have the heads port/polished and throw some stage 1 cams in there, and I've heard with a tune it'll upwards of 50-60 rwhp
Old Dec 24, 2006 | 04:38 PM
  #7  
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98MustangSTL
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Joined: Feb 2006
Posts: 642
From: Missouri
Default RE: heads

Yeah this is definitley something to do. Then after the swap bolt ons will actually net you something. Get some aggresive cams, p and p'ed heads, a good tune. You can quit the hp gain.
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