if it's a stock 1/2ton, it's almost certainly a 3.90:1, and 3/4ton was 4.57 or so - if it was an overdrive it'd be a 4.10 - there was an optional positrac started in 59, but I think it was also 3.90, and rare

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