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Old 12-28-2011, 12:12 PM
TNC TNC is offline
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Though I'm not going to modify my Dodge's lift or go to any more aggressive tires, I did do it on a full-size GMC Jimmy 4X4. I only did a 3" lift and went to some BFG All Terrain KO's that were only slightly taller. That truck used to get 17mpg under good driving conditions with a 350 engine. I was barely able to achieve 14mpg under the same conditions. Small lifts and even only slightly taller tires with more aggressive can make a big impact as some have already stated. And most times the slightly taller tires are also slightly wider.
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