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Old 11-12-2010, 12:10 AM   #36 (permalink)
5speed5
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Join Date: Feb 2010
Location: Los Alamos, NM
Posts: 134

TBSS - '08 Chevrolet Trailblazer SS 2WD
90 day: 19.36 mpg (US)

Wife's car - '09 Chevrolet Impala SS
90 day: 22.96 mpg (US)

Big Blue Hippo - '06 Chevrolet HHR 2LT
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I didn't realize you already had the 3.55 gears. I say go for the cylinder deactivation if you feel you are up to it. It sounds like you have the skill set needed, and what a feeling of accomplishment it would give you to finish it and have it work.

SlideWRX has a good point about the OEMs under-utilizing it. They have to be very conservative to prevent the owners from thinking something is wrong with the engine, whereas an ecomodder is much more forgiving.
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