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Mark,
I've been using the McLeod hydraulic release bearings in TR6
boxes with very good results.
It's a great solution, especially when you are installing a TR6 box into a
Spitfire or GT6, where there is limited clearance for the external clutch
cylinder.
Setup is important for these, not just for distance from bearing face to
pressure plate fingers, but also so that whatever locating method is used
keeps the bearing centered AND flat. You don't want to side load the
piston, or have it cocked in the bore. That being said, the setup only
needs done once, unless you change flywheel/clutch setups.
No question, it's a bigger job to replace the seals if they fail. I try to
keep a seal kit on hand, and if the gearbox or engine is out for some
reason, I go ahead and replace the seals, even if they aren't leaking.
Regular dot3/dot4 fluid is easiest on the seals, and during the off season,
I give the pedal a pump every once in a while to keep all the surfaces wet
with fluid.
Jason Sukey
JS Performance Motoring, LLC
440.984.7720
jason@jsperformancemotoring.com
https://www.facebook.com/JSPerformanceMotoring/
On Sun, Aug 18, 2024 at 10:15=E2=80=AFPM Mark Cook via Fot <fot@autox.team.=
net>
wrote:
> So, I one of my TR6s has a close ratio transmission with Mcleod hydraulic
> release bearing, which is leaking. While there, trying to decide on
> whether to go back to a stock bearing, yoke etc, with an external slave
> cylinder. For reference, as part of the engine rebuild, going with the
> Racetorations Arrow billet crank, 7 1/4" lightweight flywheel, cover and
> four paddle clutch disc.
>
> Not keen on having to remove the transmission for seal leaks related to
> the hydraulic release bearing. At the same time not familiar enough to
> know if a hydraulic release bearing's failure rate is any worse than a
> standard release bearing. Everything I have read makes the hydraulic
> bearing seem more sensitive to initial set up as well.
>
> Thoughts?
>
> Thanks,
>
> Mark Cook
>
>
>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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>
>
>
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<div dir=3D"ltr">Mark,<div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 I've been=
using the McLeod hydraulic release bearings in TR6 boxes with very good re=
sults.</div><div><br></div><div>It's a great solution, especially when =
you are installing a TR6 box into a Spitfire or GT6, where there is limited=
clearance for the external clutch cylinder.</div><div><br></div><div>Setup=
is important for these, not just for distance from bearing face to pressur=
e plate fingers, but also so that whatever locating method is used keeps th=
e bearing centered AND flat.=C2=A0 You don't want to side load the pist=
on, or have it cocked in the bore.=C2=A0 That being said, the setup only ne=
eds done once, unless you change flywheel/clutch setups.</div><div><br></di=
v><div>No question, it's a bigger job to replace the seals if they fail=
.=C2=A0 I try to keep a seal kit on hand, and if the gearbox or engine is o=
ut for some reason, I go ahead and replace the seals, even if they aren'=
;t leaking.</div><div><br></div><div>Regular dot3/dot4 fluid is easiest on =
the seals, and during the off season, I give the pedal a pump every once in=
a while to keep all the surfaces wet with fluid.</div><div><br></div><div>=
<br></div><div><div><div dir=3D"ltr" class=3D"gmail_signature" data-smartma=
il=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=
=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div>Jason Sukey</div><div><span=
></span><span></span>JS Performance Motoring, LLC<br></div><div>440.984.772=
0</div><div><a href=3D"mailto:jason@jsperformancemotoring.com"; target=3D"_b=
lank">jason@jsperformancemotoring.com</a><br></div><div><a href=3D"https://=
www.facebook.com/JSPerformanceMotoring/" target=3D"_blank">https://www.face=
book.com/JSPerformanceMotoring/</a><br></div></div></div></div></div></div>=
</div></div></div></div><br></div></div><br><div class=3D"gmail_quote"><div=
dir=3D"ltr" class=3D"gmail_attr">On Sun, Aug 18, 2024 at 10:15=E2=80=AFPM =
Mark Cook via Fot <<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.=
net</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x">So, I one of my TR6s has a close ratio transmission with Mcleod hydrauli=
c release bearing, which is leaking.=C2=A0 While there, trying to decide on=
whether to go back to a stock bearing, yoke etc, with an external slave cy=
linder.=C2=A0 For reference, as part of the engine rebuild, going with the =
Racetorations Arrow billet crank, 7 1/4" lightweight flywheel, cover a=
nd four paddle clutch disc. <br>
<br>
Not keen on having to remove the transmission for seal leaks related to the=
hydraulic release bearing.=C2=A0 At the same time not familiar enough to k=
now if a hydraulic release bearing's failure rate is any worse than a s=
tandard release bearing.=C2=A0 Everything I have read makes the hydraulic b=
earing seem more sensitive to initial set up as well.<br>
<br>
Thoughts?<br>
<br>
Thanks,<br>
<br>
Mark Cook<br>
<br>
<br>
<br>
<br>
_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net<=
/a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">=
http://www.fot-racing.com</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://autox.team.net/archive"; rel=3D"noreferrer" targe=
t=3D"_blank">http://autox.team.net/archive</a> <a href=3D"http://www.team.n=
et/pipermail/fotUnsubscribe/Manage" rel=3D"noreferrer" target=3D"_blank">ht=
tp://www.team.net/pipermail/fot<br>
t/jason@jsperformancemotoring.com" rel=3D"noreferrer" target=3D"_blank">htt=
p://autox.team.net/mailman/options/fot/jason@jsperformancemotoring.com</a><=
br>
<br>
<br>
</blockquote></div>
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_______________________________________________
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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