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

S/C blew lower intake gasket?

  • Thread starter Thread starter JParm93
  • Start date Start date Apr 4, 2005
J

JParm93

New Member
Jan 1, 2002
9
0
0
Central Illinois
Apr 4, 2005
#1
  • Apr 4, 2005
  • #1
I have 93' Cobra which I recently added a 9lb supercharger, and now I have a pretty significant oil leak that looks to be coming from the front seal of the lower intake. Anyone else had this problem, if so what is causing it? Any help will be greatly appreciated, before the tear down begins.
 
R

Ray@VSK

New Member
Aug 27, 2004
355
0
0
Apr 4, 2005
#2
  • Apr 4, 2005
  • #2
This type of thing is common even without a blower, ford recommends you use Blue RTV Silicone I would suggest that over the little rubber peices that you would get @ autozone or wherever when buying a new gasket kit, make a nice big fat beed from head to head & set the lower back on there carefully & you'll be fine again
 
S

ss93cobra

Founding Member
Apr 10, 2002
1,422
1
0
Wilmington NC
Apr 4, 2005
#3
  • Apr 4, 2005
  • #3
JParm93 said:
I have 93' Cobra which I recently added a 9lb supercharger, and now I have a pretty significant oil leak that looks to be coming from the front seal of the lower intake. Anyone else had this problem, if so what is causing it? Any help will be greatly appreciated, before the tear down begins.
Click to expand...
And you disconnected the line that runs from the oil filler neck to the throttle body, right?
 
B

BaXTeR3221

Member
Jan 12, 2004
917
0
16
Orange County, NY
Apr 4, 2005
#4
  • Apr 4, 2005
  • #4
You need some way to vent under boost, otherwise the pressure forces itself out through various engine seals. Either install a breather on the valve cover, or you can get a PCV from a turbo car(turbo coupes work well) and install that. They will allow venting under boost, but wont let any unmetered air into the engine.
 
J

JParm93

New Member
Jan 1, 2002
9
0
0
Central Illinois
Apr 4, 2005
#5
  • Apr 4, 2005
  • #5
I did remove the line from the oil filler/throttle body, and I have put a breather cap on the valve cover.
 
You must log in or register to reply here.

Similar threads

Engine Explorer - Lower intake internal cleaning
  • R82148V
  • Nov 11, 2025
  • Fox 5.0 Mustang Tech
  • 2 3
Replies
42
Views
1K
Fox 5.0 Mustang Tech Dec 6, 2025
rednotch
Engine New lower intake manifold mating surface question
  • 91GTstroked
  • Nov 27, 2024
  • Fox 5.0 Mustang Tech
Replies
17
Views
803
Fox 5.0 Mustang Tech Dec 7, 2024
91GTstroked
M
Engine Unexplainable Exhaust Pop and Gurgle
  • Mrnissen122
  • Feb 14, 2026
  • Fox 5.0 Mustang Tech
Replies
12
Views
530
Fox 5.0 Mustang Tech Feb 18, 2026
Noobz347
X
Engine 5.0 Head Gaskets installed wrong block coolant passages???
  • Xam Sirrah
  • Jul 21, 2025
  • Fox 5.0 Mustang Tech
Replies
12
Views
647
Fox 5.0 Mustang Tech Dec 22, 2025
Qtrhrse23
Q
O
Sooty/Oily Front Engine & Pulleys
  • ozenator
  • Jun 15, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
12
Views
245
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Jun 22, 2026
Blackhawkxx
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?