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Mopp 070920 04z Amsoil Mopar Engine Challenge

One of the Indy Tuning tricks was placing washers on the spark plugs to vary the depth of the tip into the cylinder. If you're not sure why they would do that, stay tuned for the full story in Mopar Muscle magazine.
2007 AMSOIL/Mopar Engine Challenge - Day 4

 One of the Indy Tuning tricks was placing washers on the spark plugs to vary the depth of the tip into the cylinder. If you're not sure why they would do that, stay tuned for the full story in Mopar Muscle magazine.  View Related Article

 

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