• Mustang Forums
  • 1974 - 1978 Mustang II Talk & Tech

Catalytic converters in a new engine.

  • Thread starter Thread starter Frank_Black
  • Start date Start date Aug 25, 2006
F

Frank_Black

New Member
Aug 25, 2006
1
0
0
Aug 25, 2006
#1
  • Aug 25, 2006
  • #1
I'm having a 5L EFI put in my 1978 and wonder if I need cat-cons on it. The guy doing it says my exhaust will smell if I don't.
 

Wart

I'm Mad as HELL and I'M not Gonna Take it ANYMORE!
Founding Member
Sep 1, 1998
408
3
58
NE Ohio
Aug 25, 2006
#2
  • Aug 25, 2006
  • #2
Try this from Manhattan Oil .
 
You must log in or register to reply here.

Similar threads

F
Catalytic Converter Calif Emissions
  • frwgt350net
  • Feb 28, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
13
Views
327
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Mar 2, 2026
frwgt350net
F
Progress Thread 91GTstroked 90 7 up convertible build
  • 91GTstroked
  • Apr 18, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
8
Views
289
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- May 22, 2026
91GTstroked
Resolved Three way cat converters..?
  • PonyGTrider
  • Nov 2, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
7
Views
247
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Nov 2, 2025
PonyGTrider
D
96 get convertible-sell or part out?
  • DTCstang
  • May 17, 2026
  • What is it Worth?!?!?
Replies
5
Views
110
What is it Worth?!?!? May 18, 2026
nickyb
B
New member w/ Cougar
  • bajablast78
  • Sep 25, 2025
  • The Welcome Wagon
Replies
5
Views
195
The Welcome Wagon Sep 25, 2025
Mcmahst
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1974 - 1978 Mustang II Talk & 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?