Originally Posted By: W_John_C
How exactly would raising octane levels fix my transmission concerns? There are many misconceptions about premium fuel. I am genuinely interested in hearing this theory if it's based anywhere in reality.
I am aware that this PCM is capable of handing multiple fuel tables, obviously because its a flex fuel power train, but premium fuel by itself isn't high enough octane to trigger that fuel table to advance timings and cause any notable drivability improvement.
Using premium fuel works for whatever reason:
http://www.fordfusionforum.com/topic/10692-switching-6f35-for-f21-aisin/
How exactly would raising octane levels fix my transmission concerns? There are many misconceptions about premium fuel. I am genuinely interested in hearing this theory if it's based anywhere in reality.
I am aware that this PCM is capable of handing multiple fuel tables, obviously because its a flex fuel power train, but premium fuel by itself isn't high enough octane to trigger that fuel table to advance timings and cause any notable drivability improvement.
Using premium fuel works for whatever reason:
http://www.fordfusionforum.com/topic/10692-switching-6f35-for-f21-aisin/