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Old 03-01-2012, 07:43 PM   #1
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Tuning questions

Have a 2011 gt. It has a 6 speed with 3.31 rear gearing. I did a 3 inch flowmaster cat back exhaust, jlt intake, and did a lethal performance 93 octane race tune. My main question is when I roll on the throttle when I get to 3 to 4 thousand rpms the motor acts like it hits a wall so to speak. Really weird. Is this normal? Besides this the car rips and I went on a road trip recently and knocked down almost 27 mpg.
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Old 03-01-2012, 09:08 PM   #2
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It hits wall? Like stops pulling, doesn't Rev more? Explain more
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Old 03-01-2012, 09:23 PM   #3
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No it will still rev If I just roll on smooth you feel a pronounced hesitation between 3 to 4 Of course if I nail it it just goes and u don't feel it. Just with smooth acceleration is when it occurs. Just didn't know if this was normal or not. I'm an old carb guy so I'm still learning
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