Anyone running 18' btdc on 93 octane? I understand the recommended advance is 14-16 but I also know there are a lot of regions that do not supply 93 (including a majority of california where a lot of this information comes from)
Check out the topic I made on timing. It has good stuff in it, but the usual "limit" I think is around 16. I can't really say much since I'm never going to plan on running 18 btdc
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