Thanks to Roger Bolick, I have an A-type O/D on my workbench, in
unknown condition. He bought it from Andy Mace a while back. He also
provided an early TR6 O/D trans "core" that had been left out in the
rain without a top cover. The only thing close to being usable is the
o/d mainshaft. The tight tolerances kept most surfaces protected
except the splines for the O/D hook-up and the surface where the caged
bearings ride inside the input shaft. I think I can get away with shot
blasting the splines, but the bearing surface needs to be turned
undersize. Memory tells me that the input shafts on TR6's switched to
a smaller size surface in later years, with a new input shaft and caged
bearing. Is this true, and can I use that input shaft/bearing if I
have the mainshaft machined to fit? I also have a variety of trans
parts from TR3 through late TR6. Can I use the late "steel" bushings
in the earlier boxes? Is there a "hot setup" of gears mixed between the
various ranges is best for a road racer?
TIA
Bob Kramer, Austin TX
Hill Country Triumph Club
TR6x3, TR250 x3, TR3A vintage race
rgk@flash.net
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