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Not off hand but it is better than what you get with the A-type.=C2=A0 Wha=
t I recall is that 3000 RPM will give you 75 MPH with an A-type and 78 with=
a J-type.
Yes, I did it with some angle iron and a stack of rubber washers.=C2=A0 I h=
ave since switched to a newer frame from a '73 so I am back to factory-fit.=
=C2=A0 A local club member put a J-type in his '71 but I haven't seen how h=
e did it.
=20
Dave=20
=20
=20
-----Original Message-----
From: David P <frogeye@porterscustom.com>
To: DAVID MASSEY <dave1massey@cs.com>; triumphs@autox.team.net <triumphs@au=
tox.team.net>
Sent: Tue, Nov 30, 2021 8:40 am
Subject: Re: [TR] OD gear box question
Yes, J type for a 71' TR6=C2=A0=C2=A0=C2=A0 Yep, some angle iron made it w=
ork.. No drilling needed... a MIG yes.. LOL=C2=A0 Dave, do you know the red=
uction percentage of the J type?=C2=A0 dp
On 11/30/2021 7:34 AM, DAVID MASSEY wrote:
=20
=20
Did you get the A-type or J-type overdrive.=C2=A0 They switched in 1973 f=
rom the A to the J-type and modified the frame to suit.=C2=A0 The J-type is=
not a direct fit.=C2=A0 It can be done but it is an unorthodox mounting.=
=C2=A0 IOW: roll your own.
=20
Dave=20
=20
=20
=20
-----Original Message-----
From: David P <frogeye@porterscustom.com>
To: Triumphs (triumphs@autox.team.net) <triumphs@autox.team.net>
Sent: Tue, Nov 30, 2021 8:13 am
Subject: [TR] OD gear box question
=20
Owners,=C2=A0=C2=A0 I acquired a Factory OD gear box for my '71 and discov=
ered=20
that the transmission mounts on my chassis do not correspond to the=20
mount on the box... So, were the cars ordered with OD modified at the=20
chassis mount location?
=20
=C2=A0With the OD, removing the driveshaft becomes a bit more=20
problematic...due to moving the mount rearward nearly 6 inches. DaveP
=20
--=20
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My =
World go here: WWW.PORTERBIKES.COM/
=20
** triumphs@autox.team.net **
=20
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/arch=
ive
=20
Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/dave1m=
assey@cs.com
--=20
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My Wo=
rld go here: WWW.PORTERBIKES.COM/=20
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<div style="color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size="3">Not off hand but it is better than what you get with the
A-type. What I recall is that 3000 RPM will give you 75 MPH with an
A-type and 78 with a J-type.</font></div>
<div><br>
</div>
<div><font size="3">Yes, I did it with some angle iron and a stack of rubber
washers. I have since switched to a newer frame from a '73 so I am back
to factory-fit. A local club member put a J-type in his '71 but I haven't
seen how he did it.</font><br>
</div>
<div> <br>
</div>
<div style="clear:both"><font size="4">Dave </font><br>
<br>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font
size="2">-----Original Message-----<br>
From: David P <frogeye@porterscustom.com><br>
To: DAVID MASSEY <dave1massey@cs.com>; triumphs@autox.team.net
<triumphs@autox.team.net><br>
Sent: Tue, Nov 30, 2021 8:40 am<br>
Subject: Re: [TR] OD gear box question<br>
<br>
<div id="yiv4030526766">
<div>
<div>Yes, J type for a 71' TR6 Yep, some angle iron made it
work..
No drilling needed... a MIG yes.. LOL Dave, do you know the
reduction percentage of the J type? dp<br clear="none">
</div>
<div id="yiv4030526766yqt41292" class="yiv4030526766yqt6272277377">
<div class="yiv4030526766moz-cite-prefix">On 11/30/2021 7:34 AM, DAVID MASSEY
wrote:<br clear="none">
</div>
<blockquote type="cite">
</blockquote></div>
</div>
<div id="yiv4030526766yqt80275" class="yiv4030526766yqt6272277377">
<div>
<div style="color:black;font:12pt Arial, Helvetica, sans-serif;">
<div> <font size="3">Did you get the A-type or J-type
overdrive. They switched in 1973 from the A to the J-type
and modified the frame to suit. The J-type is not a direct
fit. It can be done but it is an unorthodox mounting.
IOW:
roll your own.</font><br clear="none">
</div>
<div> <br clear="none">
</div>
<div style="clear:both;"><font size="4">Dave </font><br clear="none">
<br clear="none">
</div>
<div> <br clear="none">
</div>
<div> <br clear="none">
</div>
<div style="font-family:arial, helvetica;font-size:10pt;color:black;"><font
size="2">-----Original Message-----<br clear="none">
From: David P <a rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:frogeye@porterscustom.com"; target="_blank"
href="mailto:frogeye@porterscustom.com";
class="yiv4030526766moz-txt-link-rfc2396E"><frogeye@porterscustom.com></a><br
clear="none">
To: Triumphs (<a rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:triumphs@autox.team.net"; target="_blank"
href="mailto:triumphs@autox.team.net";
class="yiv4030526766moz-txt-link-abbreviated">triumphs@autox.team.net</a>)
<a rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:triumphs@autox.team.net"; target="_blank"
href="mailto:triumphs@autox.team.net";
class="yiv4030526766moz-txt-link-rfc2396E"><triumphs@autox.team.net></a><br
clear="none">
Sent: Tue, Nov 30, 2021 8:13 am<br clear="none">
Subject: [TR] OD gear box question<br clear="none">
<br clear="none">
</font>
<div dir="ltr">Owners, I acquired a Factory OD gear box
for my '71 and discovered <br clear="none">
</div>
<div dir="ltr">that the transmission mounts on my chassis do
not correspond to the <br clear="none">
</div>
<div dir="ltr">mount on the box... So, were the cars ordered
with OD modified at the <br clear="none">
</div>
<div dir="ltr">chassis mount location?<br clear="none">
</div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr"> With the OD, removing the driveshaft
becomes a bit more <br clear="none">
</div>
<div dir="ltr">problematic...due to moving the mount
rearward nearly 6 inches. DaveP<br clear="none">
</div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">-- <br clear="none">
</div>
<div dir="ltr">Porter Custom Bicycles 2909 Arno St. NE
Albuquerque, NM. 505-352-1378 My World go here:
<a rel="nofollow noopener noreferrer" shape="rect"
target="_blank" href="http://www.porterbikes.com/";
class="yiv4030526766moz-txt-link-abbreviated">WWW.PORTERBIKES.COM/</a><br
clear="none">
</div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">** <a rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:triumphs@autox.team.net"; target="_blank"
href="mailto:triumphs@autox.team.net";
class="yiv4030526766moz-txt-link-freetext">triumphs@autox.team.net</a>
**<br clear="none">
</div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">Donate: <a rel="nofollow noopener noreferrer" shape="rect"
target="_blank" href="http://www.team.net/donate.html";
class="yiv4030526766moz-txt-link-freetext">http://www.team.net/donate.html</a><br
clear="none">
</div>
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target="_blank" href="http://www.team.net/archive";
class="yiv4030526766moz-txt-link-freetext">http://www.team.net/archive</a><br
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</div>
</div>
</div>
<pre class="yiv4030526766moz-signature">--
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World
go here: <a rel="nofollow noopener noreferrer" shape="rect" target="_blank"
href="http://www.porterbikes.com/";
class="yiv4030526766moz-txt-link-abbreviated">WWW.PORTERBIKES.COM/</a></pre>
</div>
</div>
</div>
</font></div>
</div>
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** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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