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Old 06-01-2016, 12:44 PM   #5
ZO6 Bryan

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Drives: 02 Z06, 95 Trans Am, 2012 ZL1
Join Date: Mar 2012
Location: Southeast
Posts: 1,785
It is 100 % being caused by burst knock. Lower the values down so burst knock can't exceed 4 deg. Stock values will allow more than 20deg to be pulled. That will put your actual advance into the negative numbers. Hence the bog you feel.
Bryan 695 SAE RWHP 2012 ZL1 9.55 pulley custom cam and Kooks headers, 2002 Z06 447 RWHP, 2006 Trailblazer SS, 1995 S/C Vortech Trans Am 570 RWHP(for sale)
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