What mods did you have at this point to get these numbers? From these pics I can tell you had, or at one point had Carbonetics Diff, Motordyne Shockwave exhaust, NST pullies, and Stillen Gen 3's.

At this point i was:

Stillen Gen 3 CAI, Stillen Shorty Headers, Z1 HFC, Motordyne shockwave CBE, NST Pullies, GTR Spark plugs, Z1 ported Intake Manifold and diff is a Quaiffe with a frontier 4.08 final drive.

Tune was ECUtek, it was in the 90s that day with high humidity and 0 correction factor as well.