what plugs?
#1
what plugs?
i did ls6 heads from TSP and their 228R cam, had a custom tune from diablo done, and the car runs good now other than at low RPM's...i have NGK tr55s in there right now....should i go to a hotter plug or what should i do?....it seems to load up if i dont run it at or above 3000 rpms.