Thread: ▀▄ eas | EAS M4 enters the 500whp club - JB4 Stage 3 testing: 521whp/540ft-lb tq.
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      09-05-2014, 10:44 PM   #17
Andrew115
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Drives: Silver Bullet
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Quote:
Originally Posted by AYF80
If I fill my tank with 100 octane, will the JB auto tune and make more power?
I thought you needed to change maps for this
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