according to the '57 shop and operators manuals, the rear was 3.90 for all transmissions except the OD, which was 4.11 - Im pretty sure the 3.38's started in '58 after gas prices took a jump

Bill


Moved over to the Passing Lane

"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