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      11-17-2012, 05:02 PM   #16
Wedge1967
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Drives: '07 e92 AT Sport Montego Blue
Join Date: Sep 2011
Location: Portland, OR

Posts: 2,173
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Just after install, flash and tune, I had a few times it took a bit to start, but I haven't had any issues lately. It's in the upper 40's here today and I didn't have any issues with 60%.

Biggest issue with estimating Ethanol content is it can fluctuate 10% or better depending. 50/50 can range from 47% to 30%.

Quote:
Originally Posted by Dmacc View Post
I have about a 75% mix right now, I used to have trouble with start ups with 50/50, but ever since I got the pump upgrade, and the new flash from shiv, maybe he adjusted some cold start tables because my car starts up just fine like on 91 in 40* weather
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