PI Head Swap and Transmission Swap

jEEd · January 3rd, 2007, 06:27 PM

hey everyone here at MM.

i was thinking of swapping in new PI Heads n such since i found a PI Head Swap Kit for 96-98Mustangs for $1350 http://cgi.ebay.com/ebaymotors/1996-...spagenameZWDVW and i wanted some inputs on what you guys thought about that. it says it adds roughly 60+ r-whp n such. i've also looked at other forums about doing a PI Head Swap for 96-98 mustangs and if anyone is interested i could post that link. also if i was to do a swap, and i was interested in getting it supercharged, would i get one for my 96 mustang or for the new PI model which would be like '00 model.

and then i was hoping to do a transmission swap soon since i got lucky getting my mustang really cheap, in excellent condition, with only one problem, it being an automatic. would anyone know an estimate price for this? my dad is a mechanic and i dont see him very much so i havent gotten a chance to ask him about it and being that, dont include labor price, just for the parts n such to do so

thanks.

really appreciate everyone here at MM for their time and answers for many questions i have had in the past few weeks

thanks

jEEd · January 3rd, 2007, 08:21 PM

so any thoughts about this? and i was looking around google and for a transmission swap would be roughly 1200-1400(without labor, which works for me), roughly the same price as the PI Head Swap Kit. http://www.allfordmustangs.com/Detailed/25.shtml but umm if you were to choose one of the two, which would you do? 60+ r-whp n then do the transmission later or transmission first then the heads? and i just want some honest opinions

thanks

jEEd · January 3rd, 2007, 10:43 PM

=\ any opinions??

Boomer · January 4th, 2007, 12:22 PM

That will only net you around 45-50 rwhp untuned, as for the trans swap you'll need a harness, manual trans ecu (not nessesary but helpfully), flywheel, clutch/pp assembly , trans mount, driveshaft , pedal assembly and time and patience ;p. Good luck....

jEEd · January 4th, 2007, 02:05 PM

awesome thanks for the information but if you were in my situation... which would you do? they both aren't really a weekend thing so patience n time is required

and are roughly in the same price range. for the PI-Head swap, of course i will be getting a tuner for it. but yeah one or the other of these will be my next goal towards my 1996 Mustang GT. thanks opinions appreciated

and the other will be awhile before i do it.

yourmom6990 · January 5th, 2007, 06:02 PM

i would do the pi swap. its cheaper. and easier. get a nice tune, and you can see gains upwards of 60hp depending on your mods.

jEEd · January 6th, 2007, 03:37 AM

alright thanks

kushal_22 · May 12th, 2009, 06:14 PM

What year did the PI heads come out in? Reason I ask is that I totaled my 97. I am looking at a 99 thats really close to what i had in mine although i only had 95266 Kilometers and this 99 has 110,000 k`s Anyways was just wondering if this would have PI heads or not.

Thanks
Malcom

whtstang97 · May 12th, 2009, 09:01 PM

++ on pi swap. then later work on the tranny.

4.6LMadness · May 12th, 2009, 10:17 PM

Zombie Thread!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!

4.6LMadness · May 12th, 2009, 10:17 PM

i like zombie threads

97GT4.6 · May 12th, 2009, 11:56 PM

That seems like a lot of money for the kit.. im sure if you pieced it together, you could do it for ALOT cheaper.

5.8mustang · May 13th, 2009, 08:03 PM

idk if its possible or not but this kid that lives in my building said he put 5.4 heads on his 4.6. if possible is there any gain over the pi heads also its a truck

4.6LMadness · May 13th, 2009, 08:18 PM

4.6 PI heads and 5.4 PI heads are exactly the same from a performance point of view. There are a few things different but it doesnt affect performance.

5.8mustang · May 13th, 2009, 08:21 PM

cool thanks

97stanggt · May 13th, 2009, 10:28 PM

the 99 will have PI heads

4.6LMadness · May 14th, 2009, 12:18 AM

does anyone not see that this thread is about 3yrs old?

97stanggt · May 14th, 2009, 12:44 AM

yes but someone drug it up from the past with a question to not create another topic on the forum ;>

4.6LMadness · May 14th, 2009, 01:57 AM

ill give benefit of doubt

January 3rd, 2007, 06:27 PM	#1
jEEd Regular Join Date: Dec 2006 Location: California Posts: 154 iTrader: 0 reviews	PI Head Swap and Transmission Swap hey everyone here at MM. i was thinking of swapping in new PI Heads n such since i found a PI Head Swap Kit for 96-98Mustangs for $1350 http://cgi.ebay.com/ebaymotors/1996-...spagenameZWDVW and i wanted some inputs on what you guys thought about that. it says it adds roughly 60+ r-whp n such. i've also looked at other forums about doing a PI Head Swap for 96-98 mustangs and if anyone is interested i could post that link. also if i was to do a swap, and i was interested in getting it supercharged, would i get one for my 96 mustang or for the new PI model which would be like '00 model. and then i was hoping to do a transmission swap soon since i got lucky getting my mustang really cheap, in excellent condition, with only one problem, it being an automatic. would anyone know an estimate price for this? my dad is a mechanic and i dont see him very much so i havent gotten a chance to ask him about it and being that, dont include labor price, just for the parts n such to do so thanks. really appreciate everyone here at MM for their time and answers for many questions i have had in the past few weeks thanks __________________

January 3rd, 2007, 08:21 PM	#2
jEEd Regular Join Date: Dec 2006 Location: California Posts: 154 iTrader: 0 reviews	so any thoughts about this? and i was looking around google and for a transmission swap would be roughly 1200-1400(without labor, which works for me), roughly the same price as the PI Head Swap Kit. http://www.allfordmustangs.com/Detailed/25.shtml but umm if you were to choose one of the two, which would you do? 60+ r-whp n then do the transmission later or transmission first then the heads? and i just want some honest opinions thanks __________________

January 3rd, 2007, 10:43 PM	#3
jEEd Regular Join Date: Dec 2006 Location: California Posts: 154 iTrader: 0 reviews	=\ any opinions?? __________________

January 4th, 2007, 12:22 PM	#4
Boomer Enthusiast Join Date: Oct 2006 Location: warren, Mi Posts: 941 iTrader: 0 reviews	That will only net you around 45-50 rwhp untuned, as for the trans swap you'll need a harness, manual trans ecu (not nessesary but helpfully), flywheel, clutch/pp assembly , trans mount, driveshaft , pedal assembly and time and patience ;p. Good luck.... __________________ Just another 10 second Mustang, what did you expect ? http://youtube.com/watch?v=BgykaUrmfvM

January 4th, 2007, 02:05 PM	#5
jEEd Regular Join Date: Dec 2006 Location: California Posts: 154 iTrader: 0 reviews	awesome thanks for the information but if you were in my situation... which would you do? they both aren't really a weekend thing so patience n time is required and are roughly in the same price range. for the PI-Head swap, of course i will be getting a tuner for it. but yeah one or the other of these will be my next goal towards my 1996 Mustang GT. thanks opinions appreciated and the other will be awhile before i do it. __________________

January 5th, 2007, 06:02 PM	#6
yourmom6990 Newbie Join Date: Jan 2007 Posts: 7 iTrader: 0 reviews	i would do the pi swap. its cheaper. and easier. get a nice tune, and you can see gains upwards of 60hp depending on your mods.

January 6th, 2007, 03:37 AM	#7
jEEd Regular Join Date: Dec 2006 Location: California Posts: 154 iTrader: 0 reviews	alright thanks __________________

May 12th, 2009, 06:14 PM	#8
kushal_22 Newbie Join Date: Apr 2008 Posts: 2 iTrader: 0 reviews	What year did the PI heads come out in? Reason I ask is that I totaled my 97. I am looking at a 99 thats really close to what i had in mine although i only had 95266 Kilometers and this 99 has 110,000 k`s Anyways was just wondering if this would have PI heads or not. Thanks Malcom

May 12th, 2009, 09:01 PM	#9
whtstang97 Regular 1997 Mustang Gt 13.76 @ 102.5mph Join Date: Apr 2008 Location: Texas Posts: 111 iTrader: 1 reviews	++ on pi swap. then later work on the tranny. __________________ Pi Heads, BBk Longtubes, 3.73 Gears, Mac pulleys, CAI, Short shifter, Intrax Springs 13.76 @102.5mph 14.0 @ 99mph npi 12.6 @ 108mph w/75shot

May 12th, 2009, 10:17 PM	#10
4.6LMadness Enthusiast 1998 GT Mustang N/A Join Date: Feb 2009 Location: Portsmouth, Ohio Posts: 845 iTrader: 0 reviews	Zombie Thread!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!

May 12th, 2009, 11:56 PM	#12
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	That seems like a lot of money for the kit.. im sure if you pieced it together, you could do it for ALOT cheaper. __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

May 13th, 2009, 08:03 PM	#13
5.8mustang Regular 1988 mustang lx never ran down a track Join Date: Jul 2008 Location: Logansport IN / blairsville PA Posts: 131 iTrader: 0 reviews	idk if its possible or not but this kid that lives in my building said he put 5.4 heads on his 4.6. if possible is there any gain over the pi heads also its a truck

May 13th, 2009, 08:18 PM	#14
4.6LMadness Enthusiast 1998 GT Mustang N/A Join Date: Feb 2009 Location: Portsmouth, Ohio Posts: 845 iTrader: 0 reviews	4.6 PI heads and 5.4 PI heads are exactly the same from a performance point of view. There are a few things different but it doesnt affect performance.

May 13th, 2009, 08:21 PM	#15
5.8mustang Regular 1988 mustang lx never ran down a track Join Date: Jul 2008 Location: Logansport IN / blairsville PA Posts: 131 iTrader: 0 reviews	cool thanks

May 13th, 2009, 10:28 PM	#16
97stanggt Regular 1997 Mustang GT Join Date: Feb 2009 Location: South Dakota Posts: 299 iTrader: 0 reviews	the 99 will have PI heads __________________ ____________________________________________ 97 Stang GT 5sp 5.4L SOHC 96 F-250 Stroker -=-Modded-=- 08 Kawasaki Brute Force 7504x4I Selling PI Cams/NPI intake Alum Cross/4.6L LongBLock minus Oil pan and most of the timing cover bolts.

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May 14th, 2009, 12:18 AM	#17
4.6LMadness Enthusiast 1998 GT Mustang N/A Join Date: Feb 2009 Location: Portsmouth, Ohio Posts: 845 iTrader: 0 reviews	does anyone not see that this thread is about 3yrs old?

May 14th, 2009, 12:44 AM	#18
97stanggt Regular 1997 Mustang GT Join Date: Feb 2009 Location: South Dakota Posts: 299 iTrader: 0 reviews	yes but someone drug it up from the past with a question to not create another topic on the forum ;> __________________ ____________________________________________ 97 Stang GT 5sp 5.4L SOHC 96 F-250 Stroker -=-Modded-=- 08 Kawasaki Brute Force 7504x4I Selling PI Cams/NPI intake Alum Cross/4.6L LongBLock minus Oil pan and most of the timing cover bolts.

May 14th, 2009, 01:57 AM	#19
4.6LMadness Enthusiast 1998 GT Mustang N/A Join Date: Feb 2009 Location: Portsmouth, Ohio Posts: 845 iTrader: 0 reviews	ill give benefit of doubt

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