93 Octane

Got an error code saying superknock detected in cylinder # 2 so injection was cut off.

Boost gauge max 13.5psi Ambient temp. 48°F Tire pressure 40 in front 44 in rear

93, water meth, octane booster, melted number six plug however some showed knock on cylinder 5 not 6.

Getting cooler here now. Trying to do pulls during warmer part of the day, but tough with work. Looks like hit very close to target on boost, a little over at the beginning of the pull, a little under at the end. Cyl 5 still knocking at different times of the 3 back to back pulls. Power feels similar to V5. Using Shell 93 on this and V5 pulls. Surprised if octane would be low?