The driveability tuning for L99s is for sure tricky. Personally speaking, I had to drive my car a bit to get a feel for it.
Juiced what did you make before/after?
If you are not driving it already, I think you'll like the near stock idle of the LS9, check out this video a guy did (LS3 vs LS9)...
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I |
Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800