> I have a question regarding an overdrive conversion. I have a
> non-overdrive 1976 tr6 and I have a J type overdrive unit. What are the
> differences in my tranny versus a J type overdrive transmission and can
> mine be converted?
John, it can definitely be converted, IF you can find the right components.
The tailshaft housing gets removed, the mainshaft has to be changed (this is
one of the hard parts, finding a J-type OD mainshaft that matches the rest
of your gearset), and the shifter housing (top cover) has to be drilled and
tapped for the lockout switch (if it isn't already). Changing the mainshaft
of course means a fairly complete teardown of the gearbox.
I believe (not certain) you'll also need the bracket between the OD and rear
Then of course you'll need an operating switch and wiring.
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