I now have the stock 3 spd OD transmission in my 55 Crown, She has 1957, 312 with G heads and 57 distributor. 570 Holley SA carb. Did not do overhaul so don’t know internals. But runs good and strong. I would like to upgrade the Butter Box stock 3spd W/OD. With something more durable and have OD if possible. As I am reluctant to lean on it from past experiences with this type transmission from back in my day. I final found a tranny that would take a beating and keep on ticking, but lost to many brain cell to remember what I used. I do remember that the gears inside were thicker and fewer teeth then the stock tranny. So hopefully you all are willing two find something I can upgrade to as I always fear that broken teeth that cursed me long ago but learn fix and replace in my sleep. What would you all suggest I look for, are you are using.

You probably used a Warner Gear T-85 back in the day.  The Ford versions bolted to the Y bellhousing, and driveshaft upgrade may have to be made, depending on which T-85 was used.  They are still around today in used condition.  Today it is possible to adapt more modern T-5 and T-6 4 and 5 and 6 speed transmissions with OD.  I think Mummert sells adaptors to bolt the later trans to the Y.

John - "The Hoosier Hurricane"