C7 Z06 Discussion General Z06 Corvette Discussion, LT4 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track

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Old Apr 22, 2019 | 10:52 AM
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I have a 17' Z06 M7 with 15% lower pulley, ported TB, BMS filter, borla catless x, BB Bullets exhaust, stage 4 snow performance meth kit and E85 flex fuel kit. My car is making some seriously disappointing numbers and the second tuner I took it to said the car was making 4lbs boost first run and no boost after he did two more back to back ( I know heat soaking killed a lot of power). Im taking it to the dealer today to get the intercooler flushed/purged to make sure there's no air trapped anywhere in the system. I'm thinking of asking them to do a boost leak as well. I'm unsure what's going on here. Up to 120 it's faster than stock, although not by much. Beyond that it really falls on it's face. Any ideas what could be the culprit? I apologise for not having a data log file to make this request easier.
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Old Apr 22, 2019 | 01:34 PM
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tune issue
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Old Apr 22, 2019 | 01:37 PM
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Originally Posted by Higgs Boson
tune issue
Makes sense since the first dipsh*t didn't even activate the E85 tables when the flex fuel sensor was installed.
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