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Old March 30th, 2007, 12:25 PM   #1
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Stupid Question


OK I tried searching the threads but never found the answer i was looking for. What is a PI motor and non-PI motor?
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Old March 30th, 2007, 12:30 PM   #2
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at least you tried searching...

they are the same motor except for the heads, intake, and cams.

a 96-98 didn't have a pi motor
the 99-04 ones did.

the swap is pretty easy to do and it's worth about 40 HP
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Old March 30th, 2007, 12:34 PM   #3
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which one give you more power than the other and why?
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Old March 30th, 2007, 12:36 PM   #4
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the PI... it has a larger intake, the heads flow better, and the cams are a tad more aggressive.

a stock pi motor makes 260 crank hp

the non pi makes around 225 i think.
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Old March 30th, 2007, 01:06 PM   #5
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ohhh ok cool thanks.
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Old March 30th, 2007, 01:07 PM   #6
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no problem
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Old March 30th, 2007, 01:12 PM   #7
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I think I read somewhere around here PI= Perfomance Improved...

I think...
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Old March 30th, 2007, 01:31 PM   #8
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Originally Posted by Timber
I think I read somewhere around here PI= Perfomance Improved...

I think...
you're correct
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Old March 30th, 2007, 02:47 PM   #9
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Thats pretty cool. i just kept seeing it and didnt know what is was. are there any parts off of other cars that i can buy to put on my car to make it faster.
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Old March 30th, 2007, 02:49 PM   #10
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what kind of car GT or v6?
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Old March 30th, 2007, 02:50 PM   #11
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Im sorry GT
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Old March 30th, 2007, 02:58 PM   #12
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haha... what kind of parts?

engine/ drive train / looks?

most v8 mustangs have a lot of parts that are interchangable man.
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Old March 30th, 2007, 03:14 PM   #13
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i want something that is going to give me more performance. but im saving up for nitrous and gears.
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Old March 30th, 2007, 03:22 PM   #14
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there is not much your going to be able to take off a stock car...

well you could always do the cobra front and rear breaks
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Old March 30th, 2007, 04:27 PM   #15
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i would do the pi swap before you get the nitrous. i would just feel better knowing that i've got some good new heads to handle that n2o. but the gears are a must-have.
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Old March 30th, 2007, 05:32 PM   #16
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ive got a 2002 so i guess ive got the pi motor
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Old March 30th, 2007, 05:36 PM   #17
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yes you have a pi motor
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Old March 30th, 2007, 05:39 PM   #18
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PI is Ported Intake. The most beneficial piece of equipment that came with the PI setup is the intake system, they alone are worth about 25hp. I am not sure if it came with a different cam or not though. I think that it just was an upgraded cam for that year. Not actually part of the PI upgrade.
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Old March 30th, 2007, 07:46 PM   #19
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PI does not stand for Ported Intake.

It refers to the whole top end of the motor that Ford upgraded for 99-04 models. And yes it is heads cams and intake, not just intake. Like stated before, its better flowing heads, better cams and also a better intake. Its "Performance Improved" parts. Many parts, but not just intake.
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Old March 30th, 2007, 10:13 PM   #20
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Yall really know your shit. thanks guys.
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