On 24 May 1996, Bruce A. Krobusek wrote:
> >Back in the good ol' days we modified a Volvo overdrive to work in 2nd,3rd
> >and 4th gears by a simple modification to the springs. This, coupled to a
> >close-ratio 'box, gave our rally car a 7-speed gearbox that had a gear for
>any
> >situation. Anyone know if this can be done on the Triumph overdrives?
>
> That's exactly what the earlier A-type O/D does. You can engage O/D in 2nd,
> 3rd, or 4th gears. That was changed with the J-type O/D so that it could only
> be engaged in 4th.
Ummmm, 3rd & 4th. Anyway, the J-Type can be modified to work in 2nd, 3rd,
& 4th fairly easily by adding a second isolator switch as on the A-Type.
The switch location is already drilled and tapped in the gearbox cover (at
least on the examples I've seen).
-----------------------------------------------------------------------
Chip Old 1948 M.G. TC TC6710 NEMGTR #2271
Cub Hill, Maryland 1962 Triumph TR4 CT3154LO (daily driver)
fold@mail.bcpl.lib.md.us
If cars had evolved as fast as computers have, by now they'd cost a
quarter, run for a year on a half-gallon of gas, and explode once a day.
|