not sure if its the same oil as mine, but my amsoil synthetic (don't know if its interceptor or what its called) is made to run at 100:1. I run at 80:1 to be on the safe side, and it runs fine. if it ran poorly, i'd go up to 100:1 without a second thought. I tried it at 50:1 the first couple times, and then bumped it to 80:1. It definitely ran worse at 50:1
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