For Packard made cars there is not but your 57 is in all respects except name and a few 55-6 trim items chosen from the leftover parts stocks a facelifted Studebaker President with Stude mechanical parts. For a better answer than I could provide you might post your question on the Stude Forumhttps://forum.studebakerdriversclub.com/forum/your-studebaker-forum/tech-talk