Hi mike im new to the site having problems with my S.C. it is a 2300ax with piggie back injectors and efi box the charger is on a 2003 ss Silverado with the 6.0L engine the truck seems to be pinging worse and worse even at 60 degree temps worried about when it gets in the 90's any sudgestions would help bad.ass.sschevy@gmail.com thanks