PI Swap for 98 GT

Tyson98GT · Jul 3, 2005

I have my 98 GT and I am going to be doing the complete PI Swap within the next two week and does anyone have a link to the article on the procedures. I know I have seen it before, so I was just wondering if someone could send me a link and what kind of power gains am I looking at with the PI Swap? I am hoping to make 300 Crank Horsepower. Also with my mods I have done will I make 300 Crank Horsepower???

DropTopPony · Jul 3, 2005

heres a few places that sell the complete kit....and your looking at @ a 60hp gain and may put you @300crank hp

http://powerheads.com/headswap.html

http://www.parkwayperformance.com/2vheadswap.asp

http://steenracing.com/products.htm#headswap

MyEarsHurt · Jul 3, 2005

I wouldnt buy a kit, its a waste of money, just get the parts seperate and it will be cheaper. Here are some more sites, these helped me during my swap, if you need any help with the particulars PM me. There is a parts list of things that you will need on one of these pages, check it out, its a big help and will speed things up for ya.

http://www.bossracing.net/Tech Articles/PI Headswap/PI Head Swap page1.htm

http://www.eccentrix.com/members/46mustang/headswap.html

http://www.babcox.com/editorial/ar/eb40228.htm

tomustang · Jul 3, 2005

Tyson98GT - Where are you from?

2nd, If you need any info, there are alot of people on here to help with the install including myself. Use the search function, there is alot here.

http://members.tccoa.com/embalmer/headswap.html

http://www.bossracing.net/Tech Articles/PI Headswap/PI Head Swap page1.htm

Tyson98GT · Jul 4, 2005

I am from South Dakota, and I scored P.I. Heads with Cams for 400$ shipped. They had 25,000 miles on them and they were off a 2001 GT. I paid 200 dollars for a brand new PI intake. So anyways did I pay too much for the heads or no??

DropTopPony · Jul 4, 2005

Tyson98GT said:
I am from South Dakota, and I scored P.I. Heads with Cams for 400$ shipped. They had 25,000 miles on them and they were off a 2001 GT. I paid 200 dollars for a brand new PI intake. So anyways did I pay too much for the heads or no??

no, i paid 355 shipped for mine w/cams and 112 fot the intake. so your right in the area you should be.....now put em on!

lover · Jul 5, 2005

Dang. There is a guy somewhere on these Mustang threads that has a complete 02Gt motor for sale that has only about 9,000 miles on it and he only wants about $800 for it. Only 9,000 miles is virtually a brand new motor all together. If I were you, I would buy that motor and sell the other parts...my .02

CanadaStang · Jul 5, 2005

The Pi swap is a very nice improvement over the stock non Pi heads.If you can do the work yourself, you'll save about $1000 or so on the install. It took me about 10 hours to do the complete swap. If you run into any issues, just let us know, we should be able to get you through it.

DropTopPony · Jul 5, 2005

lover said:
Dang. There is a guy somewhere on these Mustang threads that has a complete 02Gt motor for sale that has only about 9,000 miles on it and he only wants about $800 for it. Only 9,000 miles is virtually a brand new motor all together. If I were you, I would buy that motor and sell the other parts...my .02

is DANG a real word?

how do you know it has 9000 miles? theres no proof. just his word. And thats cheap for a complete PI motor so somethings up. Thats a good 500 to 700 less then guys are getting for them. Also most 02's still have the all plastic intake so you don't make out thier either. Plus I like the added compression of the PI heads on my Npi block. heres your 02 cents back.

dksheehan · Jul 5, 2005

I checked the powerheads website on a link above.
Is it worth an extra $1100 for the Stage 2 kit?
It is worth another 55 hp.

TIA

DropTopPony · Jul 5, 2005

dksheehan said:
I checked the powerheads website on a link above.
Is it worth an extra $1100 for the Stage 2 kit?
It is worth another 55 hp.

TIA

yes the p&p is worth it. but i would look elsewhere for the p&p work.
steen is really good as is Modular Power House

tomustang · Jul 5, 2005

p&p won't net 55hp, you'll be lucky with 5 extra at the wheels

DropTopPony · Jul 5, 2005

tomustang said:
p&p won't net 55hp, you'll be lucky with 5 extra at the wheels

with a stage 2 port? i think you'll do more than 5rwhp

Tyson98GT · Jul 6, 2005

With the current mods I have right now, and after the Complete P.I. Swap, what kind of horsepower should I be making at the rear wheels?

tomustang · Jul 6, 2005

I never had a chance to dyno my car. I'd say SOTP was like 300 to me.

Tyson98GT · Jul 6, 2005

If I am lucky to get 300 Horse, Could I hang with LS1? LT1?

tomustang · Jul 6, 2005

LT1 - no prob
LS1 - hard to tell, i never raced one. but they do dyno around 290-300 at the wheels.

Tyson98GT · Jul 6, 2005

Why is it that 96-98's come out with more horse after a P.I. swap then a 99-04?

tomustang · Jul 6, 2005

Yes, it's due to the higher compression. It turns out to be 10.2-10.5 at the most. It's great for Nitrous.

Tyson98GT · Jul 6, 2005

Actually, I have been thinking about that. I was going to ask would my motor be safe to run a 100 shot of nitrous on it.

PI Swap for 98 GT

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