i'm running 5 psi but plan to jump up to 7 son . how many step colder plugs should i get??? and i want ngk ..
how many steps colder is it ? i heard for only 6 psi that i shouldn't go a cetain mnumber lower then stock because it starts to run bad or somethin.. is this true?
you need colder plugs or they will cause your motor to detonate.....
ngk tr6's are a good plug to run or i got 2 stage colder ac delco's gapped to .35
# ac 41-602 gm# 5614285 2 step colder plugs
