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Author
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Topic: PI Head Swap
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Roush97
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Member # 2303
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posted
 
 
I have been thinking about swapping pi heads to my 97 GT. Can someone tell me what I will need to complete the swap? Also I would like someone's opinion about the heads I am buying. The heads are from a 99 and they have enlarged modmax valves and modmax springs as well as a stage 2 porting job, they will come with the stock 99 cams. The guy is selling them for about 500 bucks. It sounds a little funny because the heads themselves are worth that much without all of the porting and valve work. Any advice you guys can give me would be greatly appreciated.
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
where u getting the heads from?r they off of a guy on the corral?i think $500 does sound cheap,my heads were ported and polished for $600 and then also i have biggersprings,valvles,better retainers and custom cams.if u know the guy and u trust him i say do it.
by the way i always see people talking about pi heads, is that the brand name of the heads or what?
hope this helps! ![[Big Grin]](biggrin.gif)
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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2000BlackGT
Loyalty
Member # 283
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posted
quote:
Originally posted by 4.6 EATIN GM'S:
by the way i always see people talking about pi heads, is that the brand name of the heads or what?
The 99+ are called PI heads because they are the "Power Improved" heads.
Posts: 2833 | From: Chico, CA | Registered: Jun 2001
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Roush97
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Member # 2303
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posted
I don't actually know the guy, I saw the heads advertised in a parts add. It is a private party, not a business.
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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Roush97
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Member # 2303
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posted
Also the guy is from out of state, so I can't see the heads prior to buying them.
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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99gt-UJSTLST
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Member # 584
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posted
quote:
Originally posted by Roush97:
I have been thinking about swapping pi heads to my 97 GT. Can someone tell me what I will need to complete the swap? Also I would like someone's opinion about the heads I am buying. The heads are from a 99 and they have enlarged modmax valves and modmax springs as well as a stage 2 porting job, they will come with the stock 99 cams. The guy is selling them for about 500 bucks. It sounds a little funny because the heads themselves are worth that much without all of the porting and valve work. Any advice you guys can give me would be greatly appreciated.
sunds fishy to me
all that work and only wants 500 bucks
shit valves and spring are 500 plus the porting
just does not add up
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SOUTH BAY STANGS
MINOR BOLT ON'S
www.southbaystangs.com
Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001
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96Forged281
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Member # 2158
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posted
dont buy the heads your engine isnt worth the 700 dollar savings if you put those heads on and something ends up happening to your engine then youre screwed
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96 Stang GT Convertible Looks Stock =)
Posts: 277 | From: Modesto | Registered: Dec 2002
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96Forged281
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Member # 2158
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posted
actually who is this guy i know of 2 guys off corral.net who have pi heads ported and polished with the mod max shit and their engines took a shit on them and are both selling their heads so it could be them in that case BUY them
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96 Stang GT Convertible Looks Stock =)
Posts: 277 | From: Modesto | Registered: Dec 2002
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Roush97
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Member # 2303
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posted
Have they posted their heads? Could you give me a link so I could look at them?
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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Roush97
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Member # 2303
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posted
Does anyone know if 2002 truck 4.6 heads are the same as 99+ mustang pi heads?
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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96Forged281
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Member # 2158
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posted
im not sure if they are the same ive heard of people taking the heads off a navigator and putting them on their 4.6, im not sure of their names on corral.net just go to the site go to the GT forum and go to search and type in pi heads for sale. OR you can PM juiced46 on there and ask him he knows the guys personally
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96 Stang GT Convertible Looks Stock =)
Posts: 277 | From: Modesto | Registered: Dec 2002
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Roush97
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Member # 2303
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posted
The ported heads I was talking about are from a 2002 not 99, is there any difference in the way they bolt on? I heard something about the timing cover and or valve covers being different for the two years, would I have to get a different timing cover?
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FS: 1997 Roush Stage 1 GT; 03 cobra engine, T56, and IRS. 415rwhp, 445rwtq----SOLD
Posts: 292 | From: Bay Area California | Registered: Jan 2003
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Andrew WOT
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Member # 1249
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posted
Windsor versus Romeo
http://www.tccoa.com/articles/engine/piheads.html
Use 2001 heads this way you can reuse your valve covers and will be able to bolt on Bullitt intake if you decide to. 99-2000 had different valve covers bolt pattern, oil neck on the passenger side and pressed on camshafts sprokets.
As long as stamping on the heads says PI it doesn't matter what particular car model they are from. When I received mine they had 5.4 PI stamping on them.
Posts: 79 | From: Sacramento | Registered: May 2002
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