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  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

Valve cover breather

  • Thread starter Thread starter 1967coupe
  • Start date Start date Sep 16, 2005

1967coupe

New Member
Feb 25, 2004
109
0
0
Wausau, WI
Sep 16, 2005
#1
  • Sep 16, 2005
  • #1
There appears (to me) to be an excessive amount of emmisions from my valve cover breather. What causes this?
 
T

TOM B

20+ Year Stangneter
Nov 15, 2002
872
1
16
Harrisburg Pa
Sep 16, 2005
#2
  • Sep 16, 2005
  • #2
Is your PCV valve working. If so then you have to much blowby caused by worn piston rings, valve guides and seals worn out.
 
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