Thread: ▀▄ eas | EAS M4 enters the 500whp club - JB4 Stage 3 testing: 521whp/540ft-lb tq.
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      09-05-2014, 09:56 PM   #16
AYF80
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Drives: 2015 AY F80
Join Date: Sep 2009
Location: Nashville, TN

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If I fill my tank with 100 octane, will the JB auto tune and make more power?
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