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The octane rating on the pump doesn't mean much without considering the MON octane rating. The MON rating is done under more severe conditions that are more realistic when it comes to bike engines. In the USA the pump octane rating is the average of MON and RON. In Australia, what is the octane rating based on ?
If one of the twin plugs is not firing, do you just lose power, or can that aggravate detonation?
Wayne- My CalVin loses power with the inner plugs not firing. No ping, likely due to the later peak cylinder pressure effected by the timing map for dual plugs and only one firing. I intentionally grounded the inner plugs as an experiment while playing with mapping...may do it again sometime with a serious effort to remap fuel and ignition to suit. Terry