I will try to detail some of my major mods, and their effect on performance.  This is very hard to do, as often I change small things inbetween or the weather was different.

13.2 @ 104-
SLP cold air, Borla exhaust(no plate), Ripper shifter, 4.10 gears,BFG DRs Dynoed 266rwhp/317rwtq

13.2 @ 105-
REMOVED 4.10s!!! Dynoed 266rwhp/317rwtq

12.7 @ 109-
Full block off plate in borla,MAC headers/ypipe/offroad pipe. Dynoed 309rwhp/345rwtq

11.8 @ 118-
100 shot from a dry NOS nitrous kit.

11.8 @ 118-
New motor.  CC306 cam, ported LT1 heads, NA Dynoed 388rwhp/385rwtq (different dyno, known to be low)

11.8 @ 119-
Hooker long tube headers, 58mm TB

12.2 @ 112-
12bolt with 4.10s, 26" ET streets, Switched to FUBAR AFR 210cc heads(read my saga..heh).   Dynoed 380rwhp/366rwtq

11.50 @ 122- (that was on a 7.49 1/8th mile, I have gone 7.40 since then!!)
Fixed screwed up AFR heads, solid roller cam, open borla Dynoed 438rwhp/400rwtq

6.80 @104 (1/8th)- (About a 10.50 @ 133 or so in the 1/4)
150 shot from custom nitrous kit

11.3 @ 120-
Much better weather. Car went 7.2 @ 97 in the 1/8th, but laid down on the big end... badly(shoulda been 124mph in the 1/4).   Turns out after  a dyno pull Saturday, that my valve springs are gone. car was floating valves on the top end of the track.  Hopefully gonna pull motor over Xmas break, and do a bunch of stuff, including new valve springs.

10.80 @ 130- (6.9 @ 100mph 1/8th!)
New 401ci bottom end, fully ported Musser(heh) heads. ALL MOTOR Dynoed 471rwhp/455rwtq through the exhaust

6.43 @ 112- (if only it was a 1/4mile track..  9s baby!)
225 shot on new bottom end.   Still haven't used the fogger!