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Larger TB Mileage Decrease?


mullens
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Has anyone has noticed a gas mileage decrease just by adding a larger throtte body? It would make sense because the ECM dumps in more fuel to compensate for the increased airflow. I think it would be more noticable in city driving. I'm just wondering if it's significant/noticable.

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Has anyone has noticed a gas mileage decrease just by adding a larger throtte body? It would make sense because the ECM dumps in more fuel to compensate for the increased airflow. I think it would be more noticable in city driving. I'm just wondering if it's significant/noticable.

 

I went from stock to L&M72...I haven't noticed a decrease in mileage, but i noticed an increase of power

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I went from stock to L&M72...I haven't noticed a decrease in mileage, but i noticed an increase of power

 

Hi- Did you also do a pulley change? Dynoed before/after for your mods; I am putting together a spreadsheet for we Shelby owners of the 2010/2011. Thanks for input.

 

Minnesotalee

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Hi- Did you also do a pulley change? Dynoed before/after for your mods; I am putting together a spreadsheet for we Shelby owners of the 2010/2011. Thanks for input.

 

Minnesotalee

 

 

no pulley change

 

TB+Plenum+JLT+airaid= 26rwhp

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