Kris01
Serious Thumper
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Eat, sleep, RIDE!
Posts: 3767
Tennessee
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Higher octane won't improve your gas mileage, won't make it run smoother, won't keep the valves cooler, won't clean the engine/carb, etc. It ONLY prevents pinging. At 8.5:1 compression, this engine will run on the lowest octane available (don't go below 87 unless you are at a high altitude). I think Colorado sells 85 octane. Other high altitude states probably do too.
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There's no problem that a full tank of gas and a sunny day can't fix!
2008 S40, Rotella T 15W-40 w/ZDDP added, Dyna, 140/90-15, Battery Tender Jr., Seat lift, #52.5/150/3 washers, Raptor
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