Delco Battery Thread
 

What are the most popular Delco Energizer Sizes used in Chevrolets from 1966 to 1972 top post?
Example: Y-77 R-59

R-59 has to be the Dominant Battery for all those Chevrolet years.And was also used in other GM car models like Pontiac-Olds-Buick.

Y59 and R59 had to be at the top of the list for all Chevrolets. Y55 for Z28's.

Thank you gentlemen for your info.

Battery info: http://www.camaros.org/underhood.shtml#Batteries