http://imgur.com/gallery/HHQDJjn
History M 1 0w40 for first 45,000 miles
Castrol 0w40 last 4000 miles
New air filter once a year
Plugs changed 10,000 miles ago
Recent PCV : Done in general maintenance
Oil changed every 4k : Do to many short trips under 20 miles.
Last fuel fill up added techron : Before the picture was taken
I drive conservative , should i beat on it more , To clean up the carbon on piston ?
History M 1 0w40 for first 45,000 miles
Castrol 0w40 last 4000 miles
New air filter once a year
Plugs changed 10,000 miles ago
Recent PCV : Done in general maintenance
Oil changed every 4k : Do to many short trips under 20 miles.
Last fuel fill up added techron : Before the picture was taken
I drive conservative , should i beat on it more , To clean up the carbon on piston ?