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Old 08-29-2010, 11:12 AM
alberta1 alberta1 is offline
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Default No ECO/MDS with 35" tires or greater???

After reading many threads on installing 35" tires, it seams that the ECO/MDS will never kick in With any of the stock gearing. even 3.92

What's the real MPG for this truck and can this be corrected to get the ECO to kick in?

Thanks
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