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Old 05-12-2008, 09:51 PM     #7 (permalink)
SpringerSteve
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Join Date: 2008, Apr 22
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Re: BRAND Of Fuel Poll

When I first got my '04 Springer, I read that only Premium (high octane) should be used on the V-Twins because of the high compression; as well, the owner's manual stated this. However, some of the forums have noted that, unless there's pinging (detonation), the motors will run fine on lower octane gas. I"ve been using Regular from BJ's for a month now with no loss in performance or gas mileage, and no pinging. As summer arrives and the temps go up, I'll switch to higher octane if i get any pinging or performance loss.

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