Going rich coming off the 2 step

[1700camaro]

Originally Posted by littlemanjoe

When I let go of the brake and the car comes off the two step, the O2's show way rich. They go down to 9ish or 10ish then go up to 12's towards the bottom of second gear.

Is this normal or is there a way to lean out the carbs a touch at the launch?

My car has Holleys on it.

Thanks,
Mike
A/SA

What are the O2's showing while on the two-step?