I wasn't there but it sounds like it rained some and there was a lot of humidity. The DA (Density Altitude) might have been higher at some points during the weekend.
I've already picked up 2mph just from racing in 2200 DA air vs 3700.
I haven't pored over slips on here to know exactly when you have a combo that will run 11's but in 4th gens we need 1.5's to low 1.6's to run 11's with stock cubes. I'm maybe thinking a mid 1.6 is necessary for a car like yours?
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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
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