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Your engine's compression is what determines what % octane you need in your fuel. That's all there is too it.
The fuel itself won't create more compression or better performance. And higher octane has nothing to do with cleanliness. Just compression.
Whatever the sticker says is the minimum octane, is what you're good with. You only need more octane if you modify your engine to make more compression.
"Premium", "ultra", "super", etc, is misleading.
Another myth I've heard 1000 times on the forums is that these trucks can sense higher octane and advance timing, make more power, etc.
um,.....no.
The scary thing is people have been buying higher octane then they need for years.
 

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People do a lot of things they don't need to, because they're misled and encouraged.
Human psychology/marketing is a science.

Like thinking diet Pepsi is healthy because everything on the label says 0.


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Like changing your oil at "a toyota dealership" every 5k miles because the manual says so :dunno:

As far as Pepsi vs. Diet Pepsi, pepsi has sugar, carbs, and all kinds of shit that ruins your body today. Diet Pepsi doesn't have that crap, it has crap that supposedly ruins your body later, with cancer and shit. So, just drink water like the cavemen did and you'll be fine :D. Cuz, the cavemen survived, right?

It depends how long the filter is good for too.


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