I would try it the way it is after verifying the stock jetting and springs under the front metering rod pistons are in place. Same thing on the ignition timing and spark plug selected and set at.
The CarterBrocks have ancient calibrations and the transitions (where street cars spend most of their time) are difficult to adjust. There are simply better carb choices for your car today. Having said that, I agree with Cab, start with the original jetting for initial start up. But rather than spend too much time and some money trying to get the old CarterBrock up to snuff after the initial start up, just move on to a better and closer to optimum carb.
