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2013-14 Shelby GT500
Buying a JLT Intake - need help?
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<blockquote data-quote="Catmonkey" data-source="post: 15762407" data-attributes="member: 124025"><p>It's not really an issue of being big. The main purpose of the larger tube is to slow down the airflow past the MAF sensor and recalibrate the transfer function in the tube to extend the range of the MAF for higher airflow than the factory settings. That can also get recalibrated MAF sensors that extend the range of the transfer function as well. Look at it this way, with a twin bore 72mm throttle body, the combined openings have an area of 12.62 sq. in. A 120mm tube has an area of 17.5 sq. in. That's almost a 40% increase. It's going to take a lot bigger throttle body to make the tube the restriction.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 15762407, member: 124025"] It's not really an issue of being big. The main purpose of the larger tube is to slow down the airflow past the MAF sensor and recalibrate the transfer function in the tube to extend the range of the MAF for higher airflow than the factory settings. That can also get recalibrated MAF sensors that extend the range of the transfer function as well. Look at it this way, with a twin bore 72mm throttle body, the combined openings have an area of 12.62 sq. in. A 120mm tube has an area of 17.5 sq. in. That's almost a 40% increase. It's going to take a lot bigger throttle body to make the tube the restriction. [/QUOTE]
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2013-14 Shelby GT500
Buying a JLT Intake - need help?
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