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Premium fuel?

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Old 04-22-2007, 09:28 PM
pfd161 pfd161 is offline
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Default Premium fuel?

Do I need to run premium fuel in my Ultra? Book says 91 octane?
Thanks !

Dennis
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Old 04-22-2007, 09:31 PM
Dalton Dalton is offline
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Default RE: Premium fuel?

I recommend 93, although the book usually is right. Just a way to prevent pinging in really hot weather.

Do not run anything less, you will get pinging under load.
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Old 04-22-2007, 09:32 PM
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TowJam TowJam is offline
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Default RE: Premium fuel?

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ORIGINAL: pfd161

Do I need to run premium fuel in my Ultra?
Yep.
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Old 04-22-2007, 09:34 PM
pfd161 pfd161 is offline
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Default RE: Premium fuel?

great i got a tank of 87 and I can swear that the bike is backpopping a bit...guess I should have believed the booK!
Love the bike will feed her whatever she needs to PURR!

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Old 04-22-2007, 09:35 PM
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StreetGlide2006 StreetGlide2006 is offline
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Default RE: Premium fuel?

Quote:
ORIGINAL: pfd161

Do I need to run premium fuel in my Ultra? Book says 91 octane?
Thanks !

Dennis
I not only run premium gas I use the HD fuel additave about every 3rd tank full. Makes me feel better.

Ride Safe,

Mike
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Old 04-22-2007, 10:07 PM
smknflms smknflms is offline
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Default RE: Premium fuel?

...Donny Peterson's take on gas..
http://www.heavydutycycles.com/hdgas.htm
Later
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Old 04-23-2007, 01:16 AM
brzemo brzemo is offline
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Default RE: Premium fuel?

I have always used premium from a major brand, such as Shell, Mobilor Exxon, etc. I also look for modern stations or ones that take care of their underground tanks. 39 years of biking and counting. Best of luck with your choice.
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Old 04-23-2007, 01:24 AM
btefft btefft is offline
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Default RE: Premium fuel?

I only use the highest rating at the modern looking stations.

Hack
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Old 04-23-2007, 01:26 AM
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soos soos is offline
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Default RE: Premium fuel?

Quote:
ORIGINAL: pfd161

Do I need to run premium fuel in my Ultra? Book says 91 octane?
Thanks !

Dennis
I asked about this last year: http://www.hdforums.com/m_248905/tm.htm
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Old 04-23-2007, 01:29 AM
atexn4christ atexn4christ is offline
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Default RE: Premium fuel?

I was using Arco in mine cause it was cheap if you can call $3.16 vs. $3.20. I got in the 90's a month ago and noticed that climbing a grade that it was pinging. Since then I have used only Chevron or Shell it should all be that same gas but these stores add chemicals that seem to help. And thats all I have to say about that.
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