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Discussion Starter #1
Hey guys, I posted this in the Australian section of the forum, and had no replies.


I was just wondering if anyone here tried Shells new Optimax Extreme fuel in their Audi?

I found a site with some handy information about the fuel www.100octane.com.au

Looks like it could have loads of potential in both performance and efficiency.

Reviews?
 

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Shell's Optimax Extreme has 5% ethanol, that's how they get the additional 2 RON. I thought I read somewhere that ethanol is not recommended in the 1.8T engine. Might pay to check with Audi before you use the stuff long term.

I'm using Optimax exclusively - 98RON. Not sure it's worth the risk of buggering up an engine given it has ethanol in it, plus it's an additional 3-4cents /litre.
 

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Discussion Starter #3
Just checked on the 100octane site. They have info on what cars can run ethanol fuel. Interesting. Its a bit of a shame certain Audi's cant run E10.

I think that’s pretty poor since ethanol is the only decent renewable fuel we have at the moment for cars.
 
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