Tab - if it's syncro you want just get a later Chev Saginaw 3spd [67+] that has all 3 sync'd - what I've got in my 57 and 58 - same size case, same shift levers, same ratios
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics