• Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

PI Swaped Members, your thoughts please..

  • Thread starter Thread starter 85 Coupe 5.0
  • Start date Start date Mar 14, 2006

85 Coupe 5.0

Founding Member
Dec 18, 2001
817
2
16
Kansas
Mar 14, 2006
#1
  • Mar 14, 2006
  • #1
I just completed the PI swap on my car , using the parts listed in my sig. My question, I haven't had a chance to look at the fuel trim data yet and am wondering, has anyone had any problems running lean on the top end without doing a tune after the swap? I am running the stock ECU with stock programming, no tuner or chip. I have no check engine light on and haven't since the swap.

Also, how much do you think I could pick up ET wise if I get a tuner, I was thinking about one of those SCT tuners, they seem well worth the money.

 

DropTopPony

Noob Slayer
Founding Member
Aug 13, 2002
2,570
3
48
south jersey
Mar 14, 2006
#2
  • Mar 14, 2006
  • #2
Order a sct xcal2 from Modular Powerhouse and they will load you up a custom tune. They will ask you exactly what you have and hook you up. They are very good with their mail order tunes. I drove my PI swapped car untuned for several months. I think you'll definately pick up some hp with a tune but more importantly fix your air/fuel mixture.
 

MyEarsHurt

New Member
May 21, 2004
918
0
0
Mar 14, 2006
#3
  • Mar 14, 2006
  • #3
When I bought my car it had a jet chip in it, and then after I did the swap I was throwing lean codes. I took out the chip and never had any other problems, been running that way for about 6k miles. I am planning on getting a tune...whenever I get some extra cash.
 

CobraM23

Founding Member
Oct 16, 2002
266
1
16
Johnson City, TN
Mar 14, 2006
#4
  • Mar 14, 2006
  • #4
I was running severely lean after the swap. But I did swapped cams and longtubes in when I did the swap as well. I mine dynotuned and an SCT chip burned for it.
 

85 Coupe 5.0

Founding Member
Dec 18, 2001
817
2
16
Kansas
Mar 14, 2006
#5
  • Mar 14, 2006
  • #5
so i'm probably doing fine as far as the stock system keeping up with fuel. I do run the 91 octane.

I'm definately looking into getting a flasher, probably the SCT one everyone is talking about, sounds like a great mod to make.
 
N

NPIGT

New Member
Nov 29, 2004
96
0
0
Mar 14, 2006
#6
  • Mar 14, 2006
  • #6
Where in Kansas are you from? I'm in Olathe, I would definitely like to meet up and see your car.
 

85 Coupe 5.0

Founding Member
Dec 18, 2001
817
2
16
Kansas
Mar 14, 2006
#7
  • Mar 14, 2006
  • #7
NPIGT said:
Where in Kansas are you from? I'm in Olathe, I would definitely like to meet up and see your car.
Click to expand...

i live in Great Bend, about 4 hrs. from Olathe. But if you ever pass through Great Bend, PM me, we'll meet up sometime.



 

CanadaStang

New Member
Sep 7, 2003
2,093
1
0
Mb
Mar 14, 2006
#8
  • Mar 14, 2006
  • #8
After the swap, I ran mine for a while with no tune and had no issues, but I did gain a little bit after the tune [about 1/2 a tenth]and a little more if I switched to the advanced timing tune[roughly a tenth]. Also the tune smoothend out the idle a bit.
 

85 Coupe 5.0

Founding Member
Dec 18, 2001
817
2
16
Kansas
Mar 14, 2006
#9
  • Mar 14, 2006
  • #9
CanadaStang said:
After the swap, I ran mine for a while with no tune and had no issues, but I did gain a little bit after the tune [about 1/2 a tenth]and a little more if I switched to the advanced timing tune[roughly a tenth]. Also the tune smoothend out the idle a bit.
Click to expand...

thanks Canada, I owe you two now. You probably don't remember, but about 3 months ago I had hit you up for some part numbers to get the PI swap done, mainly head casting numbers for Romeo and Windsor heads and such.

Thanks for the help!
 

CanadaStang

New Member
Sep 7, 2003
2,093
1
0
Mb
Mar 14, 2006
#10
  • Mar 14, 2006
  • #10
85 Coupe 5.0 said:
thanks Canada, I owe you two now. You probably don't remember, but about 3 months ago I had hit you up for some part numbers to get the PI swap done, mainly head casting numbers for Romeo and Windsor heads and such.

Thanks for the help!
Click to expand...

Ok yup, now I remember! Hope I steered you in the right direction.
Are you happy with the swap so far? Did you do the work yourself?
 

85 Coupe 5.0

Founding Member
Dec 18, 2001
817
2
16
Kansas
Mar 15, 2006
#11
  • Mar 15, 2006
  • #11
oh yea, completely happy with the car, went from 16's to probably 14's, will find out saturday at the 1st test and tune. Yea, i did the swap myself, I am a tech at the local ford garage.

The total swap cost was $600.00, but I had the hookup on the intake, got a new one for $20.00. heads from ebay for $130.00+$120.00 for machine work on them. rest is heater tube, fluids, ect.

Car is 1000% stronger, pulls way hard up top, and it's all just stock PI stuff, cams, ect. I plan on a tuner and cams next.
 
You must log in or register to reply here.

Similar threads

1
Engine Motor swap from a 2003 Explorer
  • 1996mustang new
  • Oct 9, 2025
  • SN95 4.6L Mustang Tech
Replies
7
Views
572
SN95 4.6L Mustang Tech Oct 16, 2025
squeak93
E
Nightmare after tune install!
  • EnemyofTyranny
  • Mar 29, 2025
  • 2005 - 2014 S-197 Mustang -General/Talk-
Replies
1
Views
428
2005 - 2014 S-197 Mustang -General/Talk- Apr 12, 2025
89ripper
K
Engine 2000 Mustang GT - Fuel issue post-blown spark plug repair
  • kenster1092
  • Feb 26, 2026
  • SN95 4.6L Mustang Tech
Replies
4
Views
334
SN95 4.6L Mustang Tech Mar 10, 2026
kenster1092
K
T
  • Locked
Digital Tuning A9l issue or something else
  • Tufgriz
  • Sep 11, 2025
  • Fox 5.0 Mustang Tech
Replies
2
Views
282
Fox 5.0 Mustang Tech Sep 11, 2025
Noobz347
T
Fuel Looking for a little guidance
  • Tufgriz
  • Sep 11, 2025
  • Fox 5.0 Mustang Tech
Replies
9
Views
354
Fox 5.0 Mustang Tech Sep 12, 2025
Noobz347
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?