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I regeared my 2008 sport to 4.88 running 33 inch tires and I'm still getting the same gas mileage around 12-13. Will changing the shift points on it change anything or am I stuck like this?
 

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I regeared my 2008 sport to 4.88 running 33 inch tires and I'm still getting the same gas mileage around 12-13. Will changing the shift points on it change anything or am I stuck like this?
Guessing its an auto. But it would probably improve slightly as I don't think the computer would realize the gear swap so it would still be running the stock setup an shifting as normal. Invest in an aev procal an change your gear ratio an reprogram for the actual size of your 33" tires an it could help out slightly. I could be wrong about this but others will chime in as well
 
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