kimcrwbr1
Well-Known Member
- Joined
- Dec 6, 2009
- Messages
- 6,044
- Reaction score
- 46
- Points
- 48
- Location
- maplevalley WA
- Vehicle Year
- 1983
- Make / Model
- ford
- Engine Size
- 2.8l
- Transmission
- Automatic
I did a search for a 94 5.0 at sparkplugs.com not knowing your year motor it says for autolite standard #25 and single platinum are #AP25 both have the heat range of 5. The plugs you have in there are for high performance boat motor and probably just fine. Take a fine wire brush and clean them off good it says gap them at .54. The black is probably just reminence of when you had the timing wrong. Standard plugs is all you need for that engine but take the champions out you dont want to run different heat range plugs keep them all the same number.