I am taking my car to the dyno this following week. I plan on running about 15 pounds of boost on my GSR motor. How much do you think I should gap my plugs? I am running a MSD SCI-L ignition with NGK BKR7E's. I currently have them gapped to about .030 . Thanks, your help is appreciated.

 

i'm running around 15 psi on my ls right now daily. my tuner gapped my plugs to .032 not sure if that helps you but just thought i'd add it in.

 

.030

 

My plug gap seems to be fine then. Thanks for both of your replies. I totally appreciate it.