Richard R Olson, wanting to add an OD to his TR6, wrote:
> if I expand my search to include the J-type, and am lucky
> enough to find one, does anyone care to comment on the mechanical
> mods necessary to put that type in a '72?
>
> Is it, as I suspect, just the rear mount point, or are we talkin'
> more than that.
The answer is "more than that". In addition to replacing the rear mount (the
easy part), you'll need to change the output shaft of the transmission -
which will give you the opportunity to inspect and overhaul the trans
internals while you're there. Then there's the wiring and fiddling with the
speedo connection.
Other solutions exist -
You can occasionally find used gearbox/OD combinations for sale, usually
from cars that are being parted out. Then it's just a matter of changing the
rear mount, swapping in the new box, wiring up the whole shebang . . . and
running the risk of discovering that the gearbox is junk and the OD is
non-functional after sitting in a field for 10 years.
Rebuilt transmission/OD units (J type) from Triumph 2.5 saloons show up
occasionally on eBay for swapping into TR6s. Installation apparently
requires using the clutch from a GT6.
"Conversion" kits also appear on eBay from time to time, consisting of a J
type OD and the pile of parts necessary to do the conversion on a TR6
I have no experience with either of these last two possibilities. I opted
for a unit taken from a parts car . . . and have only had to rebuild the
transmission twice so far.
Jim Hill
Madison WI
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