Quote Originally Posted by yapoy86 View Post
There are OCC design that drains the oil back to the system.. diesel engines also suffer from carbon build up but can withstand..

For my mazda skyactiv, i use petron blaze fuel... i noticed that almost zero soot formation at the tail pipe.. not like before when i was using xtra or xcs unleaded.. less soot means lesa carbon build up at the intake valves
Blaze Euro6, less pollutants. Kaya okay din na investment sa daily driver, kahit hindi required ang 100 Octane. Salamat sa reminder, nag i isip isip kung mag downgrade ulit sa Xtra/XCS.