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These are the ones.
https://www.ahspares.co.uk/austin-healey/big-healey/suspension-front/top-tru=
nnion-bearing-kit-pair.aspx
Well worth doing.
The other often overlooked source of heavy steering is the Steering Idler. I=
t is rarely lubricated, has no real reservoir for oil, and a poor seal at th=
e bottom. I suggest releasing the ball joints that connect to the drop arm t=
o check it for stiffness. Complete removal of the idler isn=E2=80=99t a diff=
icult job and is the best way to clean and lubricate.
The caster is pretty good on these cars (the initial design was good). Cambe=
r could go from positive to negative to be more compatible with radial tyres=
. Also check and minimise toe-in. This has a radical impact on steering feel=
when wrong (in either direction).
If after all that you still have problems, then go for the caster changes yo=
u have in mind and tell us about your findings. The Team may learn something=
.
The only other aspect that seems to vary from car to car is bump steer. Some=
can be horrible on fast bumpies and others are on rails. I=E2=80=99ve neve=
r seen a decent treatise on dealing with this on our Big Healeys.
Have fun.
Alan - from my iPad
> On 6 Jan 2021, at 13:35, Team.net <lawrence.swift@gmail.com> wrote:
> =EF=BB=BFWhen I rebuilt the front end on my BT7, I had the trust bearings a=
t the top of the kingpin replaced with bearings - made a huge difference in t=
he ease of steering.
>=20
>> On Jan 5, 2021, at 10:36 AM, Bob Spidell <bspidell@comcast.net> wrote:
>>=20
>> re: "The other two are factory fixed and too dangerous to play with or ma=
intain...even if Kilmartin makes the parts"
>>=20
>> How so?
>>=20
>> On 1/4/2021 9:40 PM, gradea1@charter.net wrote:
>>> I'm with the philosophy "set the toe and let 'er blow" The 1/16-1/8" toe=
-in is most important for proper tire wear. The other two are factory fixed=
and too dangerous to play with or maintain...even if Kilmartin makes the pa=
rts. Hank
>>=20
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>=20
>> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/arch=
ive
>>=20
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/lawrenc=
e.swift@gmail.com
>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
>=20
> Healeys@autox.team.net
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>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/blueheal=
ey@gmail.com
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"><meta http-equiv=3D"conten=
t-type" content=3D"text/html; charset=3Dutf-8"><div dir=3D"ltr">These are th=
e ones.<div><a href=3D"https://www.ahspares.co.uk/austin-healey/big-healey/s=
uspension-front/top-trunnion-bearing-kit-pair.aspx">https://www.ahspares.co.=
uk/austin-healey/big-healey/suspension-front/top-trunnion-bearing-kit-pair.a=
spx</a></div><div>Well worth doing.</div><div>The other often overlooked sou=
rce of heavy steering is the Steering Idler. It is rarely lubricated, has no=
real reservoir for oil, and a poor seal at the bottom. I suggest releasing t=
he ball joints that connect to the drop arm to check it for stiffness. Compl=
ete removal of the idler isn=E2=80=99t a difficult job and is the best way t=
o clean and lubricate.</div><div>The caster is pretty good on these cars (th=
e initial design was good). Camber could go from positive to negative to be m=
ore compatible with radial tyres. Also check and minimise toe-in. This has a=
radical impact on steering feel when wrong (in either direction).</div><div=
>If after all that you still have problems, then go for the caster changes y=
ou have in mind and tell us about your findings. The Team may learn somethin=
g.</div><div>The only other aspect that seems to vary from car to car is bum=
p steer. Some can be horrible on fast bumpies and others are on rails.  =
;I=E2=80=99ve never seen a decent treatise on dealing with this on our Big H=
ealeys.<br>Have fun.<br><div dir=3D"ltr">Alan - from my iPad</div><div dir=3D=
"ltr"><br><blockquote type=3D"cite">On 6 Jan 2021, at 13:35, Team.net <la=
wrence.swift@gmail.com> wrote:<br><br></blockquote></div><blockquote type=
=3D"cite"><div dir=3D"ltr">=EF=BB=BF<span>When I rebuilt the front end on my=
BT7, I had the trust bearings at the top of the kingpin replaced with beari=
ngs - made a huge difference in the ease of steering.</span><br><span></span=
><br><blockquote type=3D"cite"><span>On Jan 5, 2021, at 10:36 AM, Bob Spidel=
l <bspidell@comcast.net> wrote:</span><br></blockquote><blockquote typ=
e=3D"cite"><span></span><br></blockquote><blockquote type=3D"cite"><span>re:=
"The other two are factory fixed and too dangerous to play with or maintain=
...even if Kilmartin makes the parts"</span><br></blockquote><blockquote typ=
e=3D"cite"><span></span><br></blockquote><blockquote type=3D"cite"><span>How=
so?</span><br></blockquote><blockquote type=3D"cite"><span></span><br></blo=
ckquote><blockquote type=3D"cite"><span>On 1/4/2021 9:40 PM, gradea1@charter=
.net wrote:</span><br></blockquote><blockquote type=3D"cite"><blockquote typ=
e=3D"cite"><span>I'm with the philosophy "set the toe and let 'er blow" The 1=
/16-1/8" toe-in is most important for proper tire wear. The other two a=
re factory fixed and too dangerous to play with or maintain...even if Kilmar=
tin makes the parts. Hank</span><br></blockquote></blockquote><blockquote ty=
pe=3D"cite"><blockquote type=3D"cite"><span></span><br></blockquote></blockq=
uote><blockquote type=3D"cite"><span></span><br></blockquote><blockquote typ=
e=3D"cite"><span>_______________________________________________</span><br><=
/blockquote><blockquote type=3D"cite"><span>Support Team.Net http://www.team=
.net/donate.html</span><br></blockquote><blockquote type=3D"cite"><span>Sugg=
ested annual donation $12.75</span><br></blockquote><blockquote type=3D=
"cite"><span></span><br></blockquote><blockquote type=3D"cite"><span>Archive=
: http://www.team.net/pipermail/healeys http://autox.team.net/archive</span>=
<br></blockquote><blockquote type=3D"cite"><span></span><br></blockquote><bl=
ockquote type=3D"cite"><span>Healeys@autox.team.net</span><br></blockquote><=
blockquote type=3D"cite"><span>http://autox.team.net/mailman/listinfo/healey=
s</span><br></blockquote><blockquote type=3D"cite"><span></span><br></blockq=
uote><blockquote type=3D"cite"><span>Unsubscribe/Manage: http://autox.team.n=
et/mailman/options/healeys/lawrence.swift@gmail.com</span><br></blockquote><=
blockquote type=3D"cite"><span></span><br></blockquote><span></span><br><spa=
n>_______________________________________________</span><br><span>Support Te=
am.Net http://www.team.net/donate.html</span><br><span>Suggested annual dona=
tion $12.75</span><br><span></span><br><span>Archive: http://www.team.=
net/pipermail/healeys http://autox.team.net/archive</span><br><span></span><=
br><span>Healeys@autox.team.net</span><br><span>http://autox.team.net/mailma=
n/listinfo/healeys</span><br><span></span><br><span>Unsubscribe/Manage: http=
://autox.team.net/mailman/options/healeys/bluehealey@gmail.com</span><br><sp=
an></span><br></div></blockquote></div></div></div></body></html>=
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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