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Old 01-09-2020, 10:22 AM   #20 (permalink)
EcoModding Apprentice
Join Date: Jun 2008
Location: Pittsburgh
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I drove Volvo turbos 2.1L and 2.3L from 81 through 2009 and found that the two biggest factors to fuel mileage is what you've already realized, keep her out of boost and keep the rpms down.
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