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Old 02-23-2008, 01:51 PM   #18
Dr. Flyview
Formerly Flav_cool
 
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Quote:
Originally Posted by Flav_cool View Post
I gotta use 94 cause of the chip, but I hate to think that I'm getting 10%+ less fuel economy b/c of the ethanol

MarkD actually told me I can try running 91 and if it works (no pinging), it should be fine. Now my car has a knock sensor so I don't think it would ever actually ping. On my old engine I was using 91 no problem with the chip. The one time I tried it on my new car with the chip, it was sputtering a bit (reducing power?) but I believe it was petro canada 91, which people have said is shit.
Jay, can you respond to this please?

Other than fuel economy, what's bad about ethanol being present?
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1998 BMW 328is - summer
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1988 Mercedes Benz 190E 2.3-8V -
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