Your also going have to swap the generator for a 12 volt model or better yet install a 12 volt alternator. There is lots of info in this forum for a 6 to 12 volt swap. Check of the Tech Tips by clicking on the link at the top of this page.
Phil Moderator, The Engine Shop, Interiors and Project Journals
1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes Project Journals Stovebolt Gallery Forum