Results are in: I suck at driving and don't go to the track with 3/4 of a tank of fuel.
Not sure on the weather or DA but I was racing at Texas Motorplex:

1st run FST 3/4 tank 38psi and 5325lbs
R/T 0.124 60' 2.339 330' 6.555 1/8TH 9.971@72.02 1000' 12.922 1/4 15.395@91.17 7:25PM

2nd run Still FST 35psi
R/T 0.385 60' 2.364 330' 6.598 1/8TH 10.021@71.91 1000' 12.975 1/4 15.453@91.02 7:47PM

3rd run Still FST 32psi
R/T 0.370 60' 2.265 330' 6.528 1/8TH 9.922@71.65 1000' 12.882 1/4 15.365@91.06 8:20PM

4th run 32psi no spare didn't get to weigh in after the run
R/T 0.388 60' 2.247 330' 6.434 1/8TH 9.834@72.30 1000' 12.769 1/4 15.236@91.61 8:46PM

5th run (final run) 32psi no spare no tailgate 5170lbs *Ran against a Cobalt SS (supercharged)nice race, very close*
R/T 0.499 60' 2.238 330' 6.412 1/8TH 9.804@72.38 1000' 12.736 1/4 15.199@91.71 9:19PM (me)
R/T 0.564 60' 2.497 330' 6.563 1/8TH 9.859@74.22 1000' 12.724 1/4 15.114@92.78 9:19PM