Quote:
Originally Posted by HaRVey
Absolutely correct that I can't speak to every RV, combined weight or environment performance which is precisely why Ford left so much potential untapped, and also a primary reason 5-Star only optimized for 87 octane fuel and not premium...
I suspect 5-Star could provide specific feedback to anyone cared to inquire about their specific RV and usage.
If you're happy with yours the way it is, congratulations!
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You can ask 5-Star for a performance tune that is optimized for premium.
When I bought the 5-Star tunes for my F-350 (before our Axis) it came with 2 tunes. I elected to have a power tune for towing and an economy tune for when I wasn't.
I ended up just leaving the power tune on--the truck was just too much fun to drive LOL.