Ron McCall
Pantera1889
What brand of spark plug do you prefer and why?
The Mustang Forum for Track & Racing Enthusiasts
Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.
- Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!
Spark plug failure
- Thread starterRon McCall
- Start date
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
- 6,421
- 8,328
generally I run Bosch, not for any particular reason other than they seem to be all the same gap out of the box. It may not be the right gap, but I figure that anyone that makes something that consistent has to be paying attention.
TMO Supporting Vendors
