No, there was no O/D on 2 on TR6s with the J-type.
Adam Turner
'74 TR6
Chris Rodgers wrote:
> Hey there
>
> I think that the input shafts on TR6 and 2000 boxes may differ, and the
> TR6 overdrive has more balls to cope with the torque (esp. in 150 bhp PI
> state) including stronger accumulator spring, for instance.
>
> This also allows the overdrive to be use in 2nd on TR6's, can anyone
> tell me if this was the same on the later J type box, which I believe is
> fundamentally less capable, while smaller?
>
> Apart from this, the boxes are virtually identical, and you could
> doubtless tack the OD unit from the 2000 on to the TR6 box, and use it
> only on third and top.
>
> I had considered changing various mechs. in the OD unit to cope with 2nd
> gear use in my 2500 estate, but I don't plan it to be a hard out racer,
> so there's little need.
>
> A general observation about A vs. J type is that A type response is
> better/smoother on my A equipped car. Mind you that develops far less
> horses/torque than my J equipped car which probably has somthing to do
> with it....
>
> (Just the ramblings of a Triumph obsessive...)
>
> Seeya.
>
> Chris
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