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Old 11-22-2011, 08:44 AM   #43
DandD
 
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Drives: 2010 2SS and 2011 LS
Join Date: Aug 2011
Location: Western burbs of the Motor City
Posts: 628
Another vote for doing the data logging. With that speed the car just about can't be making the horsepower stated. I have a Jannetty tune on my 2010 ls-3 with LT headers and CAI so I should be making 410-420 rwhp (never been dynoed). On the stock Pzero tires at normal psi my best is 13.007 @ 112.81 and thats with a 2.207 60' time, the stock tires will just not hook. The point being that even with the added weight of your car if it is making the HP stated your mph should be a bit higher for sure. I am interested to know if you can give your 1/8 mph on those runs.
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