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Ron:
I had to come up with something when I rebuilt my BT7 top-shift gearbox =
(the buffer pad =E2=80=93 same part number - was used all the way to the =
end of BJ8 production). There were enough fragments of the original =
left in there to give me an idea of what to do. It=E2=80=99s =
1/16=E2=80=9D thick. I went to the hardware store and bought a plumbers =
gasket set, which contained a sheet of hard rubber that seemed to be the =
right material. It can=E2=80=99t be too hard or it=E2=80=99l crack =
quickly, can=E2=80=99t be too soft or it=E2=80=99l shred. It should be =
securely glued into the cavity. The gearbox still works fine.
There is no similar pad in the adapter plate cavity =E2=80=93 I vaguely =
recall that the factory found that without the forward pad, the gearbox =
would occasionally over shift and lock up with the shift rods moving =
forward =E2=80=93 ie: 2nd and 4th. It=E2=80=99s probably no big deal =
=E2=80=93 I would wager that on teardown, most of these gearboxes have =
the remnants of the pad lying loose in the cavity just like mine did, =
and were likely still shifting okay =E2=80=93 just like mine was.
Earl Kagna
Victoria, B.C.
BJ8, BT7 tri-carb
From: Ron Mitchell=20
Sent: Thursday, June 25, 2015 8:13 AM
To: healeys@autox.team.net=20
Subject: [Healeys] Shifter Shaft Buffer Pad AEC3298
There is a Shifter Shaft Buffer Pad part no. AEC3298 in the Bell Housing =
of BN4/6 BT7/BN7 Side Shift Transmission. It is not available. =20
My questions are:
1. What is the Thickness of the Pad?
2. What is the best material to use to make one?
3. Is a similar Shifter Shaft Buffer Pad required to be used in the =
Overdrive Adaptor Plate? There is a pocket in the adaptor plate similar =
to the one in the Bell Housing.
TIA
Ron Mitchell
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<DIV style=3D"FONT-FAMILY: 'Arial'; COLOR: #141100; FONT-SIZE: 12pt">
<DIV>Ron:</DIV>
<DIV> </DIV>
<DIV>I had to come up with something when I rebuilt my BT7 top-shift =
gearbox=20
(the buffer pad =E2=80=93 same part number - was used all the way to the =
end of BJ8=20
production). There were enough fragments of the original left in =
there to=20
give me an idea of what to do. It=E2=80=99s 1/16=E2=80=9D =
thick. I went to the=20
hardware store and bought a plumbers gasket set, which contained a sheet =
of hard=20
rubber that seemed to be the right material. It can=E2=80=99t be =
too hard or it=E2=80=99l=20
crack quickly, can=E2=80=99t be too soft or it=E2=80=99l shred. It =
should be securely=20
glued into the cavity. The gearbox still works fine.</DIV>
<DIV> </DIV>
<DIV>There is no similar pad in the adapter plate cavity =E2=80=93 I =
vaguely recall that=20
the factory found that without the forward pad, the gearbox would =
occasionally=20
over shift and lock up with the shift rods moving forward =E2=80=93 ie: =
2nd and=20
4th. It=E2=80=99s probably no big deal =E2=80=93 I would wager =
that on teardown, most of=20
these gearboxes have the remnants of the pad lying loose in the cavity =
just like=20
mine did, and were likely still shifting okay =E2=80=93 just like mine =
was.</DIV>
<DIV> </DIV>
<DIV style=3D"FONT-FAMILY: 'Arial'; COLOR: #141100; FONT-SIZE: =
12pt">Earl=20
Kagna<BR>Victoria, B.C.<BR>BJ8, BT7 tri-carb</DIV>
<DIV> </DIV>
<DIV=20
style=3D"FONT-STYLE: normal; DISPLAY: inline; FONT-FAMILY: 'Calibri'; =
COLOR: #000000; FONT-SIZE: small; FONT-WEIGHT: normal; TEXT-DECORATION: =
none">
<DIV style=3D"FONT: 10pt tahoma">
<DIV> </DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A =
title=3Dhealeyron@yahoo.com=20
href=3D"mailto:healeyron@yahoo.com";>Ron Mitchell</A> </DIV>
<DIV><B>Sent:</B> Thursday, June 25, 2015 8:13 AM</DIV>
<DIV><B>To:</B> <A title=3Dhealeys@autox.team.net=20
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</A> </DIV>
<DIV><B>Subject:</B> [Healeys] Shifter Shaft Buffer Pad=20
AEC3298</DIV></DIV></DIV>
<DIV> </DIV></DIV>
<DIV=20
style=3D"FONT-STYLE: normal; DISPLAY: inline; FONT-FAMILY: 'Calibri'; =
COLOR: #000000; FONT-SIZE: small; FONT-WEIGHT: normal; TEXT-DECORATION: =
none">
<DIV=20
style=3D"BACKGROUND-COLOR: #fff; FONT-FAMILY: verdana, helvetica, =
sans-serif; COLOR: #000; FONT-SIZE: 24px">
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>There is a Shifter =
Shaft Buffer=20
Pad part no. AEC3298 in the Bell Housing of BN4/6 BT7/BN7 Side Shift=20
Transmission. It is not available. </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>My questions =
are:</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>1. What is the =
Thickness of the=20
Pad?</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>2. What is the best =
material to=20
use to make one?</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>3. Is a similar =
Shifter Shaft=20
Buffer Pad required to be used in the Overdrive Adaptor Plate? =
There is a=20
pocket in the adaptor plate similar to the one in the Bell =
Housing.</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>TIA</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426>Ron Mitchell</DIV>
<DIV dir=3Dltr id=3Dyui_3_16_0_1_1435244110723_5426> </DIV></DIV>
<P>
<HR>
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