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Old 10-13-2011, 03:39 PM   #19
Rolling along...
rolnslo's Avatar
Drives: 2011 2SS/RS SGM
Join Date: Mar 2008
Location: Houston, TX
Posts: 4,370
My only wish was that I could get an SS in SGM in a 'vert.... Didn't happen...thanks GM!

So far, I'm not missing much by going with the SS. My MPGs are down ~2-3 mpgs over my V6 but that is mostly because I'm still playing and learning how my SS runs and handles. The AFM actually does an amazing job at keeping MPGs up when you are just rolling along on flat land at constant speeds between 40-65mph. My UltraGauge does real time MPG readings from the ECM and I'm usually sitting at 30-38mpg when AFM kicks in. One of these weeks, I'll do a tank of gas where I focus on fuel economy, just to see how high I can get it with the SS and AFM during my regular commute.
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