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I recently installed new hubs and bearing kits for my BN2 build. Two
things. There were spacers (original to the car as far as i can tell) and
the lateral clearance was supposed to be "0" without tightening enought to
cause any drag. A lot of experimenting with shims. So what's the
difference with my MGB GT that requires a few thousands of lateral movement=
?
Mike MacLean
On Thu, Jan 19, 2023, 7:20 AM m.g.sharp--- via Healeys <
healeys@autox.team.net> wrote:
> Mike et al., I have no idea how common a practice using the spacer/shim
> set-up was on British cars, but I do know that my M.G. TC has the same se=
t
> up, and I think all the T-series M.G.s, and later models were the same. I
> definitely agree with your argument about the spacer increasing the
> strength of the stub axle. I have also wondered whether, in addition to i=
n
> effect increasing the base diameter of the axle, whether putting the stub
> axle in tension from tightening the nut (without loading the bearings!)
> also increases its strength. I don=E2=80=99t know that, just wondered. Ba=
ck to the
> TC. Years ago a maintenance book was published for the T-series M.G.s tha=
t
> recommended upgrading the front bearings by replacing the standard
> ball-bearing to tapered roller bearings. The book said that the spacer an=
d
> shims could then be omitted, per common practice with American cars. What
> followed over the years was a rash of M.G. front stub axle failures! One
> enterprising enthusiast profited from this by making up and selling
> replacement stub axles. That demand has now dropped off as we know the
> spacers and shims MUST be installed as eloquently described in the Healey
> (and M.G.) manuals.
>
>
>
> *From:* Healeys <healeys-bounces@autox.team.net> *On Behalf Of *Michael
> Salter
> *Sent:* January 18, 2023 11:01 AM
> *To:* healeys@autox.team.net
> *Subject:* [Healeys] Front wheel bearing spacers. New blog post.
>
>
>
> https://precisionsportscar.com/austin-healey-front-wheel-bearing-spacers/
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<div dir=3D"auto"><div dir=3D"auto"></div>I recently installed new hubs and=
bearing kits for my BN2 build.=C2=A0 Two things.=C2=A0 There were spacers =
(original to the car as far as i can tell) and the lateral clearance was su=
pposed to be "0" without tightening enought to cause any drag.=C2=
=A0 A lot of experimenting with shims.=C2=A0 So what's the difference w=
ith my MGB GT that requires a few thousands of lateral movement?<div dir=3D=
"auto">Mike MacLean<br><div class=3D"gmail_quote" dir=3D"auto"><div dir=3D"=
ltr" class=3D"gmail_attr">On Thu, Jan 19, 2023, 7:20 AM m.g.sharp--- via He=
aleys <<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank" rel=
=3D"noreferrer">healeys@autox.team.net</a>> wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div lang=3D"EN-CA" link=3D"blue" vlink=3D"purple" style=
=3D"word-wrap:break-word"><div><p class=3D"MsoNormal"><span style=3D"font-s=
ize:11.5pt;font-family:Roboto;color:#262626;background:whitesmoke">Mike et =
al., I have no idea how common a practice using the spacer/shim set-up was =
on British cars, but I do know that my M.G. TC has the same set up, and I t=
hink all the T-series M.G.s, and later models were the same. I definitely a=
gree with your argument about the spacer increasing the strength of the stu=
b axle. I have also wondered whether, in addition to in effect increasing t=
he base diameter of the axle, whether putting the stub axle in tension from=
tightening the nut (without loading the bearings!) also increases its stre=
ngth. I don=E2=80=99t know that, just wondered. Back to the TC. Years ago a=
maintenance book was published for the T-series M.G.s that recommended upg=
rading the front bearings by replacing the standard ball-bearing to tapered=
roller bearings. The book said that the spacer and shims could then be omi=
tted, per common practice with American cars. What followed over the years =
was a rash of M.G. front stub axle failures! One enterprising enthusiast pr=
ofited from this by making up and selling replacement stub axles. That dema=
nd has now dropped off as we know the spacers and shims MUST be installed a=
s eloquently described in the Healey (and M.G.) manuals.</span><span><u></u=
><u></u></span></p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span>=
</p><div style=3D"border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt =
0cm 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></b=
><span lang=3D"EN-US"> Healeys <<a href=3D"mailto:healeys-bounces@autox.=
team.net" rel=3D"noreferrer noreferrer" target=3D"_blank">healeys-bounces@a=
utox.team.net</a>> <b>On Behalf Of </b>Michael Salter<br><b>Sent:</b> Ja=
nuary 18, 2023 11:01 AM<br><b>To:</b> <a href=3D"mailto:healeys@autox.team.=
net" rel=3D"noreferrer noreferrer" target=3D"_blank">healeys@autox.team.net=
</a><br><b>Subject:</b> [Healeys] Front wheel bearing spacers. New blog pos=
t.<u></u><u></u></span></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u=
></p><div><div><p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-=
family:"Arial",sans-serif"><a href=3D"https://precisionsportscar.=
com/austin-healey-front-wheel-bearing-spacers/" rel=3D"noreferrer noreferre=
r" target=3D"_blank">https://precisionsportscar.com/austin-healey-front-whe=
el-bearing-spacers/</a><u></u><u></u></span></p></div></div></div></div>___=
____________________________________________<br>
rer noreferrer noreferrer" target=3D"_blank">http://www.team.net/donate.htm=
l</a><br>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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</blockquote></div></div></div>
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