• Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SVT Tech Forum

GT to Cobra swap IMRC question...

  • Thread starter Thread starter So-Slow
  • Start date Start date Jun 16, 2004
S

So-Slow

New Member
Apr 28, 2004
18
0
0
Jun 16, 2004
#1
  • Jun 16, 2004
  • #1
I have a '96 GT that I have the '96 cobra motor in, my tuner here in NC Don @ Modular Madness told me that I should use my GT computer and delete my IMRC's...I was wondering if they could be used with the GT computer or do I have to delete them. Also If I do have to do the delete is it just filling some holes with epoxy and removing the butterflies? Anything else I am forgetting or need to be worried about?

Question 2: Can I delete the 2 EGR valves that go on the front of the header's/exhaust manifolds and that expensive pump that goes in the passenger fenderwell? The motor didn't come with that crap, plus its all expensive as hell from Ford, and I could spend that money on other bolt on's. I was thinking they could just take that code out once I get a dyno tune from Don.

PS has anyone else delt with Modular Madness? www.modularmadness.com

Thanks for all the help in advance!
 
P

punkgt

New Member
Nov 30, 2003
13
0
0
Jun 16, 2004
#2
  • Jun 16, 2004
  • #2
Question 1: GT wiring doesn't support the IMRC controller, regardless of PCM used. What I did was use an RPM activated switch to activate them IMRCs. It's pretty easy to do, all you have to do is tap into the PCM connector on the passenger side firewall, find the power wires (Blue/Yellow for power, Black for primary ground, Brown for signal ground.Then tap into your tach wire and you are ready to go.

BTW: Modular Madness has been around a while and have a pretty good reputation. They are the ones who made my swap chip, and no problems as yet.

Question 2: Yes, EGR functions are turned off with most swap chips.
 
S

So-Slow

New Member
Apr 28, 2004
18
0
0
Jun 16, 2004
#3
  • Jun 16, 2004
  • #3
Thanks for all the help, that sounds like a good idea...I never thought about using the rpm activated switch. So did you just use one from a nitrous controller? I guess you did this so you could still keep that extra power down low right? I will try and figure all that out, but since I will prob. have no idea how to hook it up....i'll take a look and if I have any questions i'll just ask-- thanks for the reply, do you have AIM or an e-mail?
 
P

punkgt

New Member
Nov 30, 2003
13
0
0
Jun 16, 2004
#4
  • Jun 16, 2004
  • #4
No problem. Here is a link for a diagram that i found of the IMRC wires that can be accessed from the engine bay PCM connector. My setup is also a 96 GT with a 97 Cobra engine, so wiring should be identical. The tach wire is Tan with Yellow stripe (connected to instrument panel).

http://home.hawaii.rr.com/hfpc/imrc/diagram.jpg

Also, the switch i used was one Summit sells for $50.

http://store.summitracing.com/partdetail.asp?part=SUM-830449

If you keep the IMRCs, the car will feel quite a bit stronger at low RPMs. Don at ModularMadness can probably hook this up for you, or you can tackle it yourself. Any questions, contact me at cjw@wagnersystems.net
 
You must log in or register to reply here.

Similar threads

96 Cobra IMRC delete, dyno’d
  • Gunmonkey
  • Aug 29, 2024
  • SVT Tech Forum
Replies
2
Views
992
SVT Tech Forum Nov 7, 2024
Gunmonkey
J
'96 Cobra: A/C gets weak and engine misfires under load when warm
  • jruhnke
  • Oct 22, 2025
  • SVT Tech Forum
Replies
2
Views
309
SVT Tech Forum Nov 20, 2025
nickyb
Engine 95 GT and 95 Cobra sensors and TB gasket
  • Sonic
  • Dec 21, 2025
  • 1994 - 1995 Specific Tech
Replies
1
Views
331
1994 - 1995 Specific Tech Dec 23, 2025
WhiteCobra95
0
V6 to V8 Swap info
  • 02_2v_Curtis
  • Jan 11, 2026
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
0
Views
694
1996 - 2004 SN95 Mustang -General/Talk- Jan 11, 2026
02_2v_Curtis
0
R
What's it Worth? 1997 Cobra, a ton of mods and restoration
  • riored97snake
  • Jun 18, 2026
  • What is it Worth?!?!?
Replies
2
Views
156
What is it Worth?!?!? Jun 21, 2026
riored97snake
R
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SVT Tech Forum
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?