Hey Pete, Try this manual if the link works.
http://chevy.oldcarmanualproject.com/gmc/5559mm/5559mm0i01.html


1957 Chevy 3200
Daily Driver
PS, A/C, Tilt column, Rebuilt 350, Rebuilt TH350, Reupholstered Bench Seat, sound proof/insulated, LED headlights/taillights/backup lights/interior courtesy lights.
Follow in the DITY