91 Octane

Had some e85 mix, ~15% ethanol blend. Has some surging/misfire feeling I am trying to track down.

Log2

log1

Fueling was 91oct petro Canada gas versus previous shell fillups. Log 1&2 same day. Log 3 different day Changes since last revision: -Repaired possible boost leak from charge pipe coupler. Audible whistle sound fixed with new coupler -2 new oem boost solenoids -walnut basted valves -installed coilovers

2nd to 4th gear pull

Alan needs a new car