Syonyk Posted February 11, 2006 Share Posted February 11, 2006 Just pondering some ways to eek a few more miles per gallon... I've got my timing (EA82 SPFI) advanced ~8-10 degrees - it pulls better, but where is the best timing position for optimal fuel economy? Stock, or somewhat advanced from that? -=Russ=- Link to comment Share on other sites More sharing options...
Subarian Posted February 11, 2006 Share Posted February 11, 2006 It depends on a lot of conditions. Where I live (above 5000 ft) advancing 4 degrees compensates for altitude somewhat. Theoretically, the factory setting should give the best mileage/emissions, at the expense of performance. Link to comment Share on other sites More sharing options...
azsubaru Posted February 11, 2006 Share Posted February 11, 2006 Just repeating advice that I got on this board, and seemed to work for me - The best fuel economy should corelate to best efficiency, which would mean timing advanced as much as possible. So advance it a degree or so, then take a test drive, and see if it pings. Repeat until it does, then back it off until doesn't ping anymore. It will probably be pretty close to factory specs. Link to comment Share on other sites More sharing options...
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