Why changing oil at the prescribed interval is crucial

[lowslowbenz]

how about oil burning?..sa akin pag naka 9k-10k kms almost half yung nawawala sa dip stick..

How's your driving style?

Laid back?

Or run it like you stole it?

Frequent redline visits (and long high rpm/speed drives) lead to a bit of oil being consumed.

BTT:

Synthetics have very good detergent qualities, hence the sparkling engine internals.