Originally Posted by
BaldEaglePerformanceLLC
That?s more or less what I?ve noticed on this side of the forums lately, and in terms of fueling in WA state I?m stuck to 92 octane, and saw as high as -8? of KR last night on a log, pulled a fair amount of timing a couple times and still at about -6? KR, wondering if carbon buildup is a culprit. Nonetheless, I?ll see if adding some better quality octane booster will help at all, and if I can get my hands on a e85 blend then even better. A intake and improved cooling system are definitely in the work?s. The ZF8 trans calibration is also extremely weird on these 3.0 A8?s.