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Old 05-21-2013, 09:45 PM   #6
TripleBlkZL1
 
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Drives: 13 ZL1, 15 Scat Pack, 10 GMC Serria
Join Date: Oct 2012
Location: Chicago, IL
Posts: 577
What octane fuel are you running? I had the same problem with the roto-fab intake, 91 octane, and no tune.
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2013 M6 ZL1.. Mods- Roto-Fab CF Intake, Ported and Polish LS7 TB and Snout, 2.55" Upper Pulley, 100mm Idler Pulley, Solid Isolator, Afco Heat Exchanger with fans, ID850 fuel injectors, SW 2" LT Headers With High Flow Cats, and CMS 91 Octane tune.. 579.8rwhp and 537.4rwtq
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