This a great video on the 11A being set up on a Sun 504 tester
https://www.youtube.com/watch?v=8EqUH2ZnSSY&list=PLTJbunoQy-YSN1CzvXHCg2WJpS_N33wWR&index=2
This a great video on how to rebuild the early V8 distributor
https://www.youtube.com/watch?v=li6IlgzgWh8&list=PLTJbunoQy-YSN1CzvXHCg2WJpS_N33wWR&index=1