[njsteve]

Originally Posted by RicksGTO

here is a good article that Rocky and Jon Sawruk contributed on:
http://www.hotrod.com/articles/hppp-...c-tech-part-2/
The C89 Delco X Maintenance Free battery is mentioned at the bottom

I see they discuss the Delco Freedom battery and it seems to imply that he 1971 maintenance free battery was more of a traditional looking black case different than the later (1973????) white and blue battery.