It only took 2 months to complete the change out for my 54 3100 to 355:1 rear. Interesting adventure. Sure knocked down my rpms. Thunder54 Attachments: https://talk.classicparts.com/images/attachments/4477b5d009906b4d.jpghttps://talk.classicparts.com/images/attachments/4477b64103cc475a.jpg
