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Gday guys just want to start a little bit of a open discussion here, we all know that usually the more octane you run(obviously to a certain limit) the better it is for your car when your dragging/track etc but since you all know the petrol prices have sky rocketed, $1.41 at mobil just before for synergy so i just want to see what people think/experienced when running normal octane petrol not 98 RON? i have been running mobils synergy since i got my car like 2 years ago and it has never noticably misfired or had a problem due to a bad batch of petrol, but since im still at uni and earning jack shit a week was wondering what other people run? I dont go to the track and dont regularly drag so would it be worthwhile staying with 98RON?

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with the stock ecu if you put in crap fuel and nail it, it will pick up detonation and switch to the low octaine ING timing map and back off timing everywhere. it will certianly work, just feel a bit sucky and flatish.

users with aftermarket ecu's can achieve the same goal by basically taking say 5 degrees timing out the of IGN map and it should run medicoreish on crap fuel

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I'd rather put my sneakers on than resorting to not putting 98 RON petrol in my vehicle! Thats the last place to cut corners on a budget I say..

Edit - BTW I believe with the ignition retard, your fuel economy will suffer so you wont save much $$ at the end of the day. Maybe enough to pay for a cup of coffee and thats it.

Edited by Busky2k
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