• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

Exhaust leak problem

  • Thread starter Thread starter 93steeda
  • Start date Start date Feb 4, 2004
9

93steeda

New Member
Dec 29, 2003
50
0
0
North Carolina
Feb 4, 2004
#1
  • Feb 4, 2004
  • #1
I got a set of Mac shorties used and put them on and have a bad leak. I put new gaskets on and tightened the bolts tight. Its only the passenger side leaking. I was wondering if I could double up on the gasket and maybe seal it better or would this be a bad idea?
 

Jo_885o

New Member
Jul 17, 2003
422
0
0
Clint. Twp, Michigan
Feb 4, 2004
#2
  • Feb 4, 2004
  • #2
Just get a thicker gasket preferably a copper one, had the same problem.
 
9

93steeda

New Member
Dec 29, 2003
50
0
0
North Carolina
Feb 4, 2004
#3
  • Feb 4, 2004
  • #3
Jo_885o said:
Just get a thicker gasket preferably a copper one, had the same problem.
Click to expand...
Where do you get the copper ones at?
 
J

jef0509

Founding Member
Oct 28, 2001
83
0
0
New Jersey
Feb 4, 2004
#4
  • Feb 4, 2004
  • #4
I had a set of Mac equal lengths on the car when I got it and they loosened up over time and warped. They never sealed properly after that. I heard they also may leak at the collector. Check out all those things, those are the cheapest, if all else fails get a set of BBK, they have thicker one piece flanges, even used they are less likely to give you probs, atleast in my opinion...but good luck with the MAC's, try to make them work before you spend money
 

Jo_885o

New Member
Jul 17, 2003
422
0
0
Clint. Twp, Michigan
Feb 4, 2004
#5
  • Feb 4, 2004
  • #5
Go to summitracing.com and go to exhaust and u will find 'em only 2?.?? something dollars.
 
9

93steeda

New Member
Dec 29, 2003
50
0
0
North Carolina
Feb 4, 2004
#6
  • Feb 4, 2004
  • #6
Thanks for the info, I'll try different gaskets.
 

88stangmangt

Active Member
Nov 25, 2003
2,332
1
48
Stafford,VA
Feb 4, 2004
#7
  • Feb 4, 2004
  • #7
u prob didnt get them sealed good drop it back down scrap the block with a razor get it all flat a smooth.

P.S. dont double up on gaskets because that is all the less thread you get into the heads.
 

93VertLX

Founding Member
Apr 7, 2002
667
1
0
Dayton, OH
Feb 4, 2004
#8
  • Feb 4, 2004
  • #8
I had the same problem with my mac shorties, I just took them off and did it again with new gaskets, and it worked fine that time.
 

jrichker

StangNet's favorite TOOL
In Remembrance. Thank you for your contributions
Mar 10, 2000
27,512
2,813
234
Dublin GA
Feb 5, 2004
#9
  • Feb 5, 2004
  • #9
Has anyone tried heating the pipe with a torch and then tightening the bolts? Since ith is heat that causes the pipe to twist, maybe heating it read hot and then tightening the bolts will pull it back into shape.
 

88stangmangt

Active Member
Nov 25, 2003
2,332
1
48
Stafford,VA
Feb 5, 2004
#10
  • Feb 5, 2004
  • #10
ya but it doesnt get that hot from the heads.
 
You must log in or register to reply here.

Similar threads

D
Exhaust Difficulty of fixing exhaust leak at manifold
  • dqureshi06
  • Aug 27, 2026
  • Fox 5.0 Mustang Tech
Replies
10
Views
332
Fox 5.0 Mustang Tech Aug 28, 2026
General karthief
W
2016 Mustang GT fuel tank leak
  • Waynetk16
  • Oct 8, 2026
  • 2015 - 2023 (S550) Mustang -General/Talk
Replies
1
Views
119
2015 - 2023 (S550) Mustang -General/Talk Oct 9, 2026
gkomo
A
Resolved 302 oil leak when running
  • AlexM556
  • Sep 8, 2026
  • Classic Mustang Specific Tech
  • 2
Replies
36
Views
1K
Classic Mustang Specific Tech Nov 1, 2026
manicmechanic007
D
Electrical Weird door wiring issues
  • Dakar09
  • Oct 20, 2026
  • Fox 5.0 Mustang Tech
Replies
4
Views
190
Fox 5.0 Mustang Tech Oct 21, 2026
Dakar09
D
R
bbk shorty header to mid pipe gasket
  • randyyy
  • Sep 29, 2025
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
4
Views
494
1996 - 2004 SN95 Mustang -General/Talk- Sep 29, 2025
randyyy
R
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 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?