good luck! you're talkin ratios that are standard for the 1/2T's, only 2spd rears I've ever heard of are for the 1½T and up, and have ratios like 6:1 and 8:1 - meant to pull lotsa weight at slow highway speed and require a honkin big differential - what you want is an overdrive or the 5spd's some here like

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