yep kelangan i-vary yung speed from time to time para ma break-in ng maayos. ganun din for the rev range (dont baby it too much like shifting agad sa 2k, paminsan dapat spirited driving din). pero wag ka muna lalampas ng 4.5k or 5k rpm and dont go beyond 120kph ata (nung nagbbreak-in ako d muna ako lumampas ng 130kph haha).