super88 Posted March 18, 2013 Report Share Posted March 18, 2013 Got my new spark plugs on this weekend.. Truck feels much better! Quote Link to comment Share on other sites More sharing options...
2bfast Posted March 18, 2013 Report Share Posted March 18, 2013 im assuming you are N/A? If so, why are you running a colder plug? Quote Link to comment Share on other sites More sharing options...
MID12sSSS Posted March 18, 2013 Report Share Posted March 18, 2013 im assuming you are N/A? If so, why are you running a colder plug? X2 Quote Link to comment Share on other sites More sharing options...
super88 Posted March 18, 2013 Author Report Share Posted March 18, 2013 Thats what Shane told me to run.. He has a performance shop here in Denver.. He has that 408 SSS procharged Quote Link to comment Share on other sites More sharing options...
Muggs Posted March 18, 2013 Report Share Posted March 18, 2013 TR5's Quote Link to comment Share on other sites More sharing options...
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