Date: Mon, 24 Jan 2000 22:16:50 -0800 From: karensw44nopsamail.com (Karen) Subject: Re: Regular or Premium in 2.3T?
In article <388BDC77.348D1C33nopsamerfs.berkeley.edu>, eugpnopsamerfs.berkeley.edu says... > The question I have is what are > the real world effects from real owners who have climbed hills, pounded > the pedal, heated the engine UP and taken MPG measurements and FELT the > power comparisons between regular and premium on tanks that were filled > with more than 70-90% different grades of gasoline. Is there a > significant difference in MPG and power due to the presumably retarded > timing on 87-89 octane regular? > I have a 99 9-5 sedan with 20,000 mi and live on a steep hill. The first 10,000 mi I used 92 octane. The second 10,000 mi I used 89 octane. I could tell no difference. I have not tried 87 octane. Karen
 |
 |
 |
 |
 |
