Find a local shop that specializes in transmissions. They'll usually rebuild your trans, rather than just replacing it with a unit that was rebuilt by underpaid factory workers in some thrid world country.
"Well, what gears do you have? If you have 2.72s in there still, a blown big block with jesus himself working the gas pedal couldnt get the rear tires to slip." -Mavawreck
1977 J10, shortbed, 360, T18a 4-speed, D20, 32\" A/T tires, Warn hubs - Forest Service Green