I took my camaro to Bristol last night and ran a 12.65 @ 113.6. I'm running a Nitto extreme drag and a 10 bolt with a M6. The 10 bolt has basically converted to a 1 legger lately so 60 foots suck. I was cutting 2.0s at best and running 12.65 to 12.80. I ran 3 times each time launching a little different trying to improve but only got worse. I think with a good rear and tires I'm in the 12.20 range. Car is 2000 Z28 w/ a Torquer 2 only.
I've got a 4.10 in it. I've heard Bristol is slow. DA last night was right at 4000. A guy I know said he runs 12.2 @ 109 at Bristol and 11.9 at 113 at another track. My heads/cam/ intake car only traps 120.
I agree the traps are way down. I ran 12.22 and trapped 114 with just full exhaust, lid, tune, and 3.73s on street tires thru an automatic. You ran in much worse air however, and the M6 is much more of a challenge than my auto. Also, my runs were done at 500' and 70 degree air. DA makes a ton of difference, but that cam should still have you well into the upper teens, even in that air.