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Steve -
As a general rule, I never bother downshifting in the BJ8 box except from
4th to 3rd, anything less you are better off using the brakes because brake
pads are way cheaper and easier to replace than synchro rings or a clutch.
Of course this means you have to brake intelligently (esp. going downhill)
and not burn em.
Another thing to consider other than a worn synchro is if the throwout
bearing is worn, you'll have a tendency to grind various gears.
Best,
Alan
On Mon, Apr 17, 2023 at 9:08=E2=80=AFPM BJ8Healeys via Healeys <
healeys@autox.team.net> wrote:
> Hello, Healeyphiles =E2=80=93
>
>
>
> I received the message below from a BJ8 owner. I=E2=80=99m passing it on=
to see
> if anyone has any thoughts or advice about the problem.
>
>
>
> Thanks!
>
> Steve Byers
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC USA
>
>
>
>
>
> My question for you on my transmission rebuilt is when I was downshifting
> from third gear to second the gears were grinding I was always having to
> double clutch to get it in the second gear. I have replaced just about
> every part in the gearbox including the second gear which I thought was t=
he
> problem as the synchro was bottoming out or touching the face of gear it
> was well worn. Went yesterday for my first test drive and all of the gear=
s
> worked perfectly and shifted very smoothly but when I try to downshift fr=
om
> third to second it grinds terribly I had to come to a complete stop to be
> able to shift it into second gear. It shifts from 1st to 2nd no problem
> third and fourth gears work very well as does reverse. Do you have any
> suggestions? I couldn=E2=80=99t find anything on the tolerances between t=
he gears
> would you have access to some kind of chart or spec sheet? My other
> thought was the plunger in the sliding hub might not be engaging on the
> first motion shaft. Any thoughts or ideas for me to try!
>
> I would certainly appreciate any help you might be able to provide!
>
>
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<div dir=3D"ltr">Steve -<br><br>As a general rule, I never bother downshift=
ing in the BJ8 box except from 4th to 3rd, anything less you are better off=
using the brakes because brake pads are way cheaper and easier to replace =
than synchro rings or a clutch.=C2=A0 Of course this means you have to brak=
e intelligently (esp. going downhill) and not burn em.<br><br>Another thing=
to consider other than a worn synchro is if the throwout bearing is worn, =
you'll have a tendency=C2=A0to grind various gears.<br><br>Best,<div><b=
r></div><div>Alan</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr=
" class=3D"gmail_attr">On Mon, Apr 17, 2023 at 9:08=E2=80=AFPM BJ8Healeys v=
ia Healeys <<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team=
.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex"><div class=3D"msg8850912635173650446">
<div lang=3D"EN-US">
<div class=3D"m_8850912635173650446Section1">
<p class=3D"MsoNormal">Hello, Healeyphiles =E2=80=93<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">I received the message below from a BJ8 owner.=C2=A0=
I=E2=80=99m
passing it on to see if anyone has any thoughts or advice about the problem=
.<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Thanks!<u></u><u></u></p>
<p class=3D"MsoNormal">Steve Byers <u></u><u></u></p>
<p class=3D"MsoNormal">BJ8 Registry<u></u><u></u></p>
<p class=3D"MsoNormal">AHCA Delegate at Large<u></u><u></u></p>
<p class=3D"MsoNormal">Havelock, NC=C2=A0 USA<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"m_8850912635173650446MsoPlainText">My question for you on my tr=
ansmission rebuilt is when I
was downshifting from third gear to second the gears were grinding I was al=
ways
having to double clutch to get it in the second gear. I have replaced just
about every part in the gearbox including the second gear which I thought w=
as
the problem as the synchro was bottoming out or touching the face of gear i=
t
was well worn. Went yesterday for my first test drive and all of the gears
worked perfectly and shifted very smoothly but when I try to downshift from
third to second it grinds terribly I had to come to a complete stop to be a=
ble
to shift it into second gear. It shifts from 1st to 2nd no problem third an=
d
fourth gears work very well as does reverse. Do you have any suggestions? I=
couldn=E2=80=99t
find anything on the tolerances between the gears would you have access to =
some
kind of chart or spec sheet?=C2=A0 My other thought was the plunger in the =
sliding
hub might not be engaging on the first motion shaft. Any thoughts or ideas =
for
me to try! <u></u><u></u></p>
<p class=3D"m_8850912635173650446MsoPlainText">I would certainly appreciate=
any help you might be able
to provide!<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
</div>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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</div></blockquote></div>
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