if you've got stock gears they're 3.90, but you might have 4.10 which were what was used w/ overdrive for some reason - as Wrench sez the 3.38 would help lots, and there are a number of OD possibilities

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