FWIW, the 3 TR6's Iv'e owned with the "J" type overdrive all ground (grinded?,
made a slight grinding sound) when shifted from 3rd to 4th with O/D engaged.
Jim Davis
Fortson, GA
CF38690UO
CF37325U
Andy wrote:
> To support Dave, my tranny (TR6) is out so I removed the switch and
> watched the action of the rod. Works as Dave said however I don't
> remember my previous triumph dropping out as I shifted.
> Andy
>
> On 06/02/98 01:47 PM Dave Massey said...
> >
> >Barry Schwartz Writes:
> >
> >>Someone correct me if I'm wrong (don't have to worry about that do we :-})
> >>and I am not positive (haven't looked at the detent on the top of the box
> >>in years), but if I remember correctly, the detent allows for solenoid
> >>actuation when the "gear lever" is anyplace in the 3-4 throw position. In
> >>other words, the solenoid STAYS energized while shifting and is only
> >>de-energized when you move the lever into the neutral or 1-2 gate
> >>positions. Should I go stand in the corner now?
> >>
> >>Barry Schwartz (San Diego) bschwart@pacbell.net
> >>
> >>72 V6 Spitfire (daily driver)
> >>70 GT6+ (when I don't drive the Spit)
> >>70 Spitfire
> >
> >Barry,
> >
> >Different transmissions work in differently. The TR6 transmission has a
> >switch
> >mounted on the top cover operated by the 3rd/4th operating fork which has
> >two
> >lumps for that purpose. When the 3rd/4th operating fork is in the neutral
> >position,
> >which it is when neutral, 1st, 2nd or reverse is selected, the switch is
> >not operated.
> >Likewise, when moving between 3rd and 4th the switch is momentarily
> >deactivated.
> >
> >The Austin Healey, in contrast has a switch mounted on the side of the
> >shift lever
> >mounting and is actuated whenever the lever is in the 3rd/4th operating
> >plane (as
> >you say). I don't know how the spitfire transmission works, I've never
> >been into one.
> >
> >Just goes to show that there was more than one designer over there
> working
> >on
> >transmissions. And there is more than one way to skin a cat (fish).
> >
> >Dave Massey
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