Either or. Recommended just meand optimal performance but you wont get the pings. You'll be fine with 87 don't worry. Now many do run 91 just because its a smaller tank, better MPG's. Its up to you...
What kind of fuel?
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That's a good question, when I was at the dealer I told them I only burn premium gas in all my motorcycles. In fact I only burn premium gas in my lawnmower, weed whips and leaf blowers too. Most premiums here (Chicago land) have additives in them to help clean fuel injectors which the streets are fuel injected. So therefore, I'll stick with the premium gas and pay the few extra cents more.
A very good point that you bring up, but companies like Mercedes-Benz recommends that you only burn premium in their automobiles if you do not, you void the warranty on the engine. In fact, right in the instruction manual it will say if you have to put anything except premium in the car only put as much gas in the car to get you to the next gas station to fill up with premium only.
With that said, there must be something premium does that the other two octanes don't do, that Mercedes-Benz feels that you will destroyed their engines if you don't use it, It voids out the warranty! Food for thought.
A very good point that you bring up, but companies like Mercedes-Benz recommends that you only burn premium in their automobiles if you do not, you void the warranty on the engine. In fact, right in the instruction manual it will say if you have to put anything except premium in the car only put as much gas in the car to get you to the next gas station to fill up with premium only.
With that said, there must be something premium does that the other two octanes don't do, that Mercedes-Benz feels that you will destroyed their engines if you don't use it, It voids out the warranty! Food for thought.
Pre-ignition pressure is important. And high performance high compression require it.
But the label premium is just to get people to think it is better or more powerful. Neither of which it true.
We appreciate the articulated elucidation but the persiflage is a bit much
To start off I want to say Science is only the proof, there can be no science without a theory that needs to be proven. I'm sure that itchs many the wrong way but its cold hard fact, Science proves a feeling not the other way around.
Back to our regular scheduled programming, you've made quite a few assumptions about the nature of bally's rant and gone straight for the guns. Now I wont even attempt to answer for the man because its really not my place, but I do find it funny that you went to all this trouble ranting and raving and STILL completely missed the point.
HD themselves has said 87 or above. The argument was that you don't need 91, So what's YOUR point? That you have a problem with how the other point was made, or is this simply your opinion of an opinion?
There are 2 Rules in this life, 1: Never reveal everything you know, 2:.....
Take the weaker position and control from below.
Premium is a marketing ploy, hand over fist. Ever notice how Premium is branded as the cleaner friendlier petrolium? Kind of funny considering we're head first into the war on hydrocarbons. Ever notice how everything "Green" is extortionately expensive for the value provided? The narrative transfers to fuel as well, especially for those who "want" to be greener/environmentally friendly because of course its in all the magazines and all the cool kids are doing it, its unthinkinable to stand out from the crowd right? Around these parts the premium fuel is all branded as ~15% friendlier for the environment, "an environmentally responsible choice"
Higher octanes don't burn efficiently if the engine is not absolutely designed to absolutely NEED 91+, because the hydrocarbons don't burn off proper you actually get the ADVERSE effect of what its pitched to do. More waste out the tail and even dirtier valves...
You know what, if I was big oil I'd take advantage of these people everyday just the same. Big Oil isn't polluting our minds, but they're certainly maximizing the fact that logic seems to of been shot.
Now, how bout them bikes
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