This page shows a lot of the Prom BCC codes:
http://www.chevythunder.com/
I am not going to say ARAP wouldnt work in your project but there are a lot of things that you will need to change to make it work. Its for a stock aluminum headed engine.
The spark tables are really aggressive, the EGR is controlled differently, the startup fueling is less, and a whole bunch of other differences.
In your case, it maybe easier to find a California Emissions Fbody BIN.
Ebay, craigslist? Have you posted up in the california section to see if anyone has a Cali emissions Memcal?