How often should i change my oil ?

[C_Henry]

I race test&Tune bout once a month. How often should i be changing my oil ? Thanks !

 

[psycobusa]

once a month is only bout 8 or 9 times. depends on how many passes you make. i change mine once or twice a season. depending on how much street use i have on it.

 

[Cecil_Stringer]

I change mine after every weekend of racing... useually because it blew up again