a standard spark plug should last 10-20K KM...those better/performance type should last 30-50KM....
Spark plug is wear and tear part...
Also life span of spark plug depend on your engine condition...if your engine makan engine oil / wrong tuning then your spark plug will wear out faster.
This journey begin last Sat when i drop by at my parents house and saw my bro and dad is peeking donw the engine bay of the Pajero while discussing something. I decided to join and they said they want to do top...
This headlights problem has been haunting me since 2 months ago when I sent the headlight to restoration. It did help at first, my headlights looked as good as new when the restoration was just done...
I'm curruntly using a stock FD ECU. Did CO check and found out my FD is running on very rich side on idle. Did smell some feul during idle but no black smoke thou.... I do have a exhaust temp and on...