I have this item in my garage, been gathering dust for many years. I
would love to see it go to a good home, hopefully get some side shift
transmission back on the road. It has AEC 3475 written on the side.
But from what I have found out is that the AEC 3475 has a bore of 0.855
inches. This gear has a bore close to 1 inch, like 0.990, give or take.
And the AEC 3649 laygear is listed as having a bore of 0.985 inches.
Which is the gear fitted to BN7 side shift gearboxes, as I recall.
So, wonder exactly what I have here? I want to auction it on Ebay, but
I want to be sure about what exactly I am offering. In case you are
wondering, it has 25 teeth on the big gear at the end, which I assume is
the end closer to the motor, and meshes with the input shaft gear.
So what is it I have here? An AEC 3475 as labeled, or an AEC 3649 which
the layshaft bore would seem to imply?
As some of you are aware, I am a Triumph guy, I know very little about
Healeys of any sort. Anybody want an NOS laygear of unknown origin and
unknown fitment?
mjb.
ps: If you are on the shop talk list, you probably have seen my query
about my Mitutoyo digital calipers, which are not working. Otherwise I
would have a more exact measurement of the layshaft bore of the gear.
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