[Oletrucks] 3 speed overdrive conversion

[William Schickling]

Bob,

I wish I had more info for you. I had a 52 3/4 ton with this conversion. I
loved it. It had a toggle switch on the dash for the overdrive. It
freewheeled half of the time. I don't remember which (overdrive in or out).

Since mine was an open drive conversion from closed drive it definitely had
a new drive shaft and rear-end. Mine was on the column and it was a blast to
drive. I can compare it to my 1940 3/4 ton. Top Speed on the 40 is about 40,
maybe 45. The 52 could do 55 to 60.  I should never have sold that truck :)

The column shift used arms on the steering column. Is that still there or do
you need a new column?

Bill (Haven't replied to a list serve email in too many years) Schickling



Sent: Sunday, December 11, 2011 1:24 PM
To: Oletrucks (oletrucks)
Subject: [Oletrucks] 3 speed overdrive conversion

Happy Holidays everyone.  I just acquired a 3 speed od trans that came out
of a 57 Chevy sedan  engine unknown. I am thinking of installing it in my
56 = ton which at some point was converted from 3 speed column to 4 speed
floor. I have a 235 6 cyl engine.



Has anyone done this? I havent measured, but Im guessing that I will have
to get the drive shaft modified, does anyone know for sure? I would like to
convert back to 3 on the tree with the od, but I dont have any of the
linkage or shift components and there appear to be a lot of them and they
arent cheap.

Thanks,

Bob