Another bloody fuel thread.
This has been answered before, but for those inept to use the search feature on this forums ill lay it all out.
First up, No fuel is sold in Australia with any kind of ethanol without it being marked as it (ie it must say on the bowser it contains ethanol)
Second: Optimax hasnt been around for years, its V-Power now, which contains NO ethanol at all, and is 98-101 octane (depending on its age and the refinery output) bear in mind that all fuel MUST meet minimum octane requirements before being sold.
Three: Using a particular fuel because XYZ said so is a load of crap, of the big 3 the only difference is BP ultimate, but the difference is so minimal at best it falls within natural variances when it comes to dyno testing etc. And you pay a fairly hefty premium for their advertising.
Four: Your best method of filling up and getting 'the best' fuel is to pick the busiest servo in your local area, as chances are they get more regular loads, and hence the fuel being more 'fresh'. Also high turnover servos are tested more regularly for any bowser and fuel regularity's.
Five: You may gain a small gain in economy and power using 98 over 91, but if you do the math, the price difference works out that 91 still beats it overall. Its your choice what you put in there, but unless it requires a minimum 95 ron (v8's and T6) then your best choice is still 91.
Six: E10 does not damage your fuel system, its a load of croak, for modern EFI cars its perfectly acceptable to use it, only a very small list of cars cannot use it and there is a website dedicated to it. Also E10 almost never has the full 10% as ethanol, its usually from 0-7%, and all E10 is a minimum of 91 octane, but usually ships at 93-96.
Edit: Post above me, read point number one, it is highly illegal to do that, and fuel is tested for it consistantly.
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