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

PI swap performance changes

Old 12-30-2006, 11:26 PM
  #1  
silverstang1996
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Default PI swap performance changes

I was thinking of doing the PI swap but figured I'd save the money to go DOHC, but I'm just curious, what was the major change with the PI swap, by this I mean could you feel the power right when you pushed on the pedal, or was it mainly just in the 4k RPM range and up it's felt?
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Old 12-31-2006, 04:34 PM
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96mod289
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Default RE: PI swap performance changes

you can really feel it. before when you floored it, would pull at low end ,and it would run out of power at about 4k . with the swap it pulls hard the whole rpm range. it also helps to have gears.
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Old 12-31-2006, 04:42 PM
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ZW99GT
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Default RE: PI swap performance changes

ORIGINAL: silverstang1996

I was thinking of doing the PI swap but figured I'd save the money to go DOHC, but I'm just curious, what was the major change with the PI swap, by this I mean could you feel the power right when you pushed on the pedal, or was it mainly just in the 4k RPM range and up it's felt?
With the PI swap alone, you will go from 185rwhp to 230-240rwhp if you are 5speed. IT will be a HELL of a kick in the pants.

But, it you saved and went to 4v, it would be alot more.
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