Oh and chris, there are calculators available to perform the same type of calculations, here is some nice data, you can physics this.

Using the dyno data from your post, of that Z06 dyno graph, and your SR setup, same vehicle, same tire size, same driver weight.

Here is the calculator if anyone wants to use it, http://vlsicad.ucsd.edu/~sharma/Potpourri/perf_est.html

"your" car using your dyno graph, your SR gear ratios, 4.08 rear, 245/40-17

Top speed 193 MPH
30-60 MPH 2.05
Start in 1st, shift @8403
30-90 MPH 5s
1-2@8403
2-3@8207
30-120 MPH 9.25s
60-90 MPH 2.9s
60-120 7.15s

Same vehicle, the corvettes dyno sheet, MN12 ratios, 3.54 rear differential

30-60 MPH 1.8s
30-90 MPH 1.75s
30-120 MPH 9.15
60-90 MPH 2.65
60-120 MPH 7.05

Cruising rshared_pm @ 80 MPH 3372 RPM for the SR car
The ls1 car ? 2157 RPM

Top speed on the SR car ? 193 MPH
The "redneck v8" 202 MPH

oh and the numbers are fudged in your cars favor just a hair, your dyno graph ended at 7800, so to make sure it was fair, it thinks you made the power you made @7800, at 8000 on its plot, so its figuring you in at 443 HP, the LSx at 446 HP

Man, what a difference 3 HP makes huh ?