• Mustang Forums
  • 2005 - 2014 S-197 Mustang -General/Talk-
  • 2005 - 2009 Specific Tech

plug gap

  • Thread starter Thread starter Slo 5.0
  • Start date Start date May 3, 2008

Slo 5.0

Member
Apr 6, 2005
144
0
16
St. Louis
May 3, 2008
#1
  • May 3, 2008
  • #1
What should the spark plug gap be for brisk racing plugs?
 

frdfrst

New Member
Apr 12, 2005
178
0
0
phoenix az
May 8, 2008
#2
  • May 8, 2008
  • #2
i had mine from .44 back to as close as .35.never felt any difference.no blower,cai.pulled them after about 4000 miles, as one went sour.put new champions 7989 in and have about 650 miles and seem to be the trick so far.
 
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