I like your answer Randall.
I will certainly buy the idea that the big early TR lug nuts are softer metal
and probably have a very large seat area to distribute the load on the wheel
much better too.
I never knew about the no threads inside the nose part of it.
That certainly would make a difference.
I'll fess up . .one of the reasons I asked this was that for a short while, I
had my old mag wheels bolted up to the then non working TR4, which still had
the wire wheel studs on it. It required an extra spacer washer under the mag
wheel nut shoulder to keep it from bottoming out .. but I checked carefully to
make sure I was getting Decent thread engagement. It helps that the mag wheel
lug nuts were most certainly threaded all the way to their ends.
Once I got the car running again (thanks to Randall no less)
I drove it around a bit with the mags on the wire wheel studs.
Once I wanted to drive it a bit more, I did finally convert it to longer studs.
-Scott Tilton
Date: Tue, 4 Jun 2002 07:53:45 -0700
From: "Randall Young" <ryoung@navcomtech.com>
Subject: RE: Wire Wheel Adapters
> I know it looks pretty scary . . . having those big fat TR lug
> nuts on there
> without any stud sticking out the middle of them . . . but do they really
> engage fewer threads on the stud than do the nuts that hold the splined
> adapters on?
The standard nuts (at least on the earlier TRs, I'm not certain about the
TR6) have a blank area inside the nose with no threads. So they do actually
have fewer threads in contact. More importantly, I believe they are softer
steel, which makes them better able to deal with the flexing of the wheel,
but weaker.
> Do these wire wheel nuts have a different taper to them than the
> normal lug
> nuts?
I'm not sure about the seat angle (replacement nuts are on backorder at
TRF), but I think they're different. Another important consideration is
that the seat area on the nut is smaller (as are the flats). I've heard
tales of the small nuts pulling right through steel wheels, and cracks in
this area of the wheel are supposedly common on TR6s anyway.
Randall
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