HeavyD
Senior Member
- Joined
- Feb 21, 2015
- Posts
- 1,162
- Reaction score
- 245
- Location
- Medicine Hat, Alberta - Canada
- Ram Year
- 2004
- Engine
- 4.7 SOHC 5 SP Auto
The reason the plugs might be original or very old, is due to the coil packs - they give a great spark & people don't think there is anything wrong so why change them.
The black crap might be from the heat & dirt from a long time.
The black crap might be from the heat & dirt from a long time.