Quote Originally Posted by RadRidesByDan View Post
What octane fuel are you running? low octane fuels have to have the timing retarded by about 40%, If you run 10* advance on 93- 94 octane and you run 87 octane....timing should be around 5-6* .....if set at 14-15* on premium.....then 9* +/- 1* should be great on 87 octane
So far I only use 'premium' gas and it's supposed to be 93 octane (Hess or Mobil)