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60-100 mph in 4.5 seconds

I have a log of my car doing 4.54 60-100, which isn't too bad. Others have been able to pull 4 flats but they have better gearing.
 
And he could only get 4.5 60-100? Cobalt SSs are doing ~4 seconds on the stock turbo.

Not yet tuned. A/F ratio is bottomed out at the limits of the O2 sensor. When it actually makes it to the dyno I'll update this thread. This is only on 20 psig of boost as well. The efficiency range of the turbo is in the ~30-35 psig range.
 
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