Originally Posted by
ugglasdav
i would say every 5 liters of fuel you should change it
Originally Posted by
wingracer
If you run only short tracks, I've had rods outlast the rest of the motor. Long tracks, change often.
thanks guys,
it's hard to make decision on picking up a new engine,
i have an OS and a RB classico 9 and i'm thinking to pickup one more. i'm target on N21-7T or S21WCS09.(RB and NR parts are the most available here) after that, maybe i can try the top line engine.