Join Date: Oct 2009
Location: Springfield, OR
Originally Posted by Yamil Xiscatti
It is RON 95 and RON 98 (not MON). I tried both before I installed the BIG 3 and I didn't notice any difference. I had never run 85 octane fuel, But I think if the Raptor engine was developed for 85 octane and I can only use 95 or 98 octane it should be some difference, but I dont know If I need to change something in the ignition tables or the AFR Target. Did you see my PCV tables?
In the US our pump fuel is rated as an average (Ron+Mon)/2. Your fuel scaled this way is likely around 87 and 91. Use either, you should not have any problem.
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