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I know, I know.
THERE IS A YOUTUBE with the engineer that designed the hurricane discussing this.
He says regular will not harm it due to the programming.
To get design PERFORMANCE out of it it needs the higher octane.
YES, follow the warranty.
If I can find the article I'll try to post, it's...
The H/O does not require 91 or 93.
There is a youtube with the designer engineer stating so.
Ya, I know, warrenty stuff. So, go by the warrenty recommended octane.
Paul B
Are you guys letting the granny do it's thing??
If so, try manually downshifting to lower gears, yes it will roar, but you need more RPMs.
My diesel did the same on Vail pass, I down shifted to 2nd and all cooled down to normal.
Paul B
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