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#9: 04-29-2011, 10:09 AM
Title: Senior Member
Posts: 270
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Ah come on guys. I expected more out of a Subie forum. Lets assume I'm not a newbie and have been tuning fuel injected cars for years and know the difference between 85 and 91-93 octane. My 'new to me' 05 Leggy is my new Daily Driver and I would really like to not have to fill up with premium every day. I understand I won't get max performance out of my engine by using lower octane but the cost savings would be nice considering my daily commute.
A nice safe tune could provide decent economy gains as well as allow a lower octane fuel especially given the super low compression ratio of the EJ255 motor. I find it hard to believe nobody else on this forum would be interested.