Excellent article put together by Stratified that should answer all your questions.Im very confused. I read the first few pages im not reading all of them. Would be nice if 1st post was updated with all info. Anyway im stage 3 stock turbo no intention of changing, cpe everything with fswerks cobb ap and frpp exhaust. Do I NEED to upgrade my plugs, or its not necessary? If i should what plugs do I use and what do I gap them to?
P.s. 2013 st with a oct 2012 build i believe if i remember correctly. 13k currently
Blog : Spark Plug Tech : Stratified Automotive Controls