What plugs/wires are in your 5.7 Hemi?
#12
09-25-2009 | 09:31 AM
Moderate User
Joined: Oct 2008
Posts: 17,003
Likes: 19
From: Albany, NY
My guess would be heat range unless he made a typo? You want 5306 on a stock engine. Going to a colder heat range only sacrifices performance! Colder range shouls only be used on forced induction or Nitrous applications.