ahodges
Elite Explorer
- Joined
- August 31, 2009
- Messages
- 1,384
- Reaction score
- 70
- City, State
- Millbury, OH
- Year, Model & Trim Level
- 1996 XLT - 347 S/C
So i had to take my engine out of my explorer for the second time in 3 years. This time it was due to a timing chain noise on a rebuilt engine. Upon inspection of the spark plugs I noticed that the plugs on cylinders 2&5 are looking older than the rest. This is a 4.0 OHV engine with 30,000 miles on it with Autolite double platnum plugs which where new when the engine was instailed.
They have more material missing from the prong above the electrode and are darker in color.
They have more material missing from the prong above the electrode and are darker in color.