18psiWhiteMS3
Banned
- :
- 2009 MazdaSpeed3
i tried lucas octane booser and my knock is completly gawn. what i need to know is if its bad to run octane booster at every fill up?
What octane is the fuel you're using?
You might try using a different brand of gas? My car knocks like crazy on Shell 93, seems to be happy with Chevron & grocery store 93.
You might try using a different brand of gas? My car knocks like crazy on Shell 93, seems to be happy with Chevron & grocery store 93.