Ross Posted November 22, 2004 Share Posted November 22, 2004 am running the ea81t on 91 octane (RON) gas. seems to be knocking going up hills, just thought i'd check to see what fuel others use before checking timing/plugs etc. as far as i know, the engine is stock standard. Quote Link to comment Share on other sites More sharing options...
carfreak85 Posted November 22, 2004 Share Posted November 22, 2004 Subaru says in the owner's manual to use 91 or higher, so thats what I use even though I'm tempted to use 87 when I don't have a lot of cash in my pocket. Better safe than sorry! Quote Link to comment Share on other sites More sharing options...
BobBrumby Posted November 22, 2004 Share Posted November 22, 2004 haha our premium is 98 octain in some places and like 94 octain standard i think Quote Link to comment Share on other sites More sharing options...
Ross Posted November 22, 2004 Author Share Posted November 22, 2004 haha our premium is 98 octain in some places and like 94 octain standard i think is that RON? Quote Link to comment Share on other sites More sharing options...
Turbone Posted November 22, 2004 Share Posted November 22, 2004 My old EA81T ran fine on regular, I think thats 89? Make sure you have the timing set accurately. Might check the gap on the sparkplugs also. Quote Link to comment Share on other sites More sharing options...
BobBrumby Posted November 22, 2004 Share Posted November 22, 2004 i duno if its "RON" but it says 98 octain on the bp super dooper permuim in aus. yeh i duno what units octain is measured in, but for y'all love of imperial measurements over there and it being metric here, maybe this screwed the comparison. Quote Link to comment Share on other sites More sharing options...
naru Posted November 22, 2004 Share Posted November 22, 2004 am running the ea81t on 91 octane (RON) gas. seems to be knocking going up hills, just thought i'd check to see what fuel others use before checking timing/plugs etc. as far as i know, the engine is stock standard. My owners manual says to use 90 RON. In my area gasoline is rated as (RON+MON)/2 I think 90 RON is equivilent to about 87-88 (R+M)/2 for most gasolines. My ea-81t pings on 87 R+M/2,isn`t bad on 89,is better on 91 and I haven`t tried enough 94 to be sure. I use 89 mostly. Quote Link to comment Share on other sites More sharing options...
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