I pulled equivilant 1/8 mile numbers without a tune. I have C3, Custom Dual CAI, E55 H/E with stock tune.

60' : 1.863
330: 5.291
1/8 ET: 8.090
1/8 MPH: 87.62

I have yet to get her back to the 1/4 mile but soon. Just a good day at the track.