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#1 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
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Npi Pi
hey guys i was just wondering what this PI and NPI crap is i know alot about cars but since i got my mustang i am rele gettin into the engine thanks guys
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#2 |
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Hardcore Enthusiast
1996 Mustang GT
Join Date: Mar 2007
Location: Effingham, IL
Posts: 1,795
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npi cars are the 96-98 gts and the 99-04 are pi. the pi motors have better head, cams, and intake that flow better than the restrictive npis. you can do a pi swap and gain some good hp. this raises you c/r from 9:3 to i believe 10:5.
__________________
![]() view my garage for pics and modifications listen to my exhaust video 1 video 2 video 3 Last edited by tlr96; November 17th, 2007 at 10:50 PM. |
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#3 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
![]() iTrader: 0 reviews
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thank you how much does a pi swap cost>?
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#4 |
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The Hammer
Millenium Falcon
"Lived the Dream, Created the Reality, Basking in my Awesomeness"
Join Date: Mar 2007
Location: Zip's Bubble
Posts: 13,028
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u can get it done for under a grand if u do the work urself and get used parts.
U can also keep ur compression the same if u only swap the intake and cams, like i did. U only gain +5 hp from the heads, the big jump is with the intake and cams. I did this even cheaper, about 600 in parts, and i changed things i didn't even need to change, just cause i was there. Being PI is the way to be with a 96-98, otherwise ur gonna have one hell of a time trying to break 300hp |
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#5 |
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Proud American
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with out a nitrous kit, or a blower you wont get a NPI car in the 300s.
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RIP Travis Billings ![]() Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars |
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#6 |
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The Hammer
Millenium Falcon
"Lived the Dream, Created the Reality, Basking in my Awesomeness"
Join Date: Mar 2007
Location: Zip's Bubble
Posts: 13,028
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ur rights.........
as long as the npi manifold is on the car, it doesn't matter if u do head/cams annnnnd stroke the motor...... thats why PI is the way to be for us....even if u only go 2/3rd of the way |
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#7 |
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Proud American
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if i werent going to spray my car, i would be doing a heavily modififed NPI head, with aftermarket cams and the SVO intake. Or a full SVO set up.
__________________
RIP Travis Billings ![]() Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars |
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#8 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
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arite thanks well im gonna look into it i definately want to hit 300 so thanks
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#9 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
![]() iTrader: 0 reviews
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what does pi n npi stand for
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#10 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
![]() iTrader: 0 reviews
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oh and if anyone could list what i would need that would b a great help (just intake n cams i want same compression) thanks guys
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#11 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
![]() iTrader: 0 reviews
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will this interfere with future mods?
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#12 |
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Enthusiast
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P.I (performance improved) NPI (non PI). The npi heads are not as bad as some make them out to be, depending on what you want to do.
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Just another 10 second Mustang, what did you expect ? http://youtube.com/watch?v=BgykaUrmfvM
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#13 |
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Enthusiast
96 Mustang GT 5spd Vert.
Not sure need to go to a track
Join Date: Nov 2007
Location: N.Y.
Posts: 991
![]() iTrader: 0 reviews
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Cai Gears pulleys tuner S/C headers xpipe
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#14 | |
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Regular
Join Date: Dec 2006
Location: cordova,tn
Posts: 74
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X2 do a port job on the npi heads and and cams you can get a good amount of hp on a npi motor. but you can get more if you get a set of good hogged out pi heads with valves and springs.
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4.6 2V PI HEADS,PI CAMS,COMP SPRINGS,PI INTAKE,03 COBRA CRANK,PISTONS,5140 S/F RODS, VORTECH S TRIM 6/9PSI 3.73 60 LBS INJECTORS,90 MM MAF, SCT CUSTOM TUNE. ![]()
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#15 |
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Regular
Join Date: Aug 2007
Location: Not important
Posts: 60
![]() iTrader: -1 reviews
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I've done this to my 97 and LOVE IT! Doing it to my brothers 98 now
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