John - this topic is about the manual overdrive trans, all of which pre ~1968 had no 1st gear synchro, and all of which require ways to control engagement/disengagement of the OD function - specifically the solenoid and kickdown sw

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 & Rust-a-holics Unanimous parking lot