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<p>I recently purchased a used gearbox w/a J-type OD, only to find
that the chassis mounting did not match. Another pit fall to
consider if you aren't handy... Driveshaft must be shortened as
well.. Having said that..70MPH at 2600</p>
<p>RPM is pretty sweet. I also installed a 3.45:1 ring and
pinion.. dp We drive too fast in NM LOL<br>
</p>
<div class="moz-cite-prefix">On 4/4/2022 5:47 AM, DAVID MASSEY
wrote:<br>
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<blockquote type="cite"
cite="mid:1922211466.1729934.1649072876669@mail.yahoo.com">
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<div> <font size="3">I did the same thing about 30 years ago
and no regrets. I've rebuilt the transmission a couple
times since, once because the main shaft was compromised ( a
new one fixed that problem) and once due to layshaft bearing
issues. But it does leak and I have yet to figure out from
where.<br>
</font></div>
<div><br>
</div>
<div><font size="3">However. my paint and bodywork skills are
abysmal. I leave that to those with the right mental
aptitude and experience. </font><br>
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sans-serif;">
<div><font size="4">Dave <br>
</font></div>
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src="cid:eaPJicTKoEZuzQzbD2af" moz-do-not-send="true"
width="183" height="48" border="0"></span></div>
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<div
style="font-family:arial,helvetica;font-size:10pt;color:black"><font
size="2">-----Original Message-----<br>
From: Greg Lemon <a class="moz-txt-link-rfc2396E" href="mailto:grglmn@gmail.com"><grglmn@gmail.com></a><br>
To: Sujit Roy <a class="moz-txt-link-rfc2396E" href="mailto:triumphstag@gmail.com"><triumphstag@gmail.com></a><br>
Cc: Triumphs <a class="moz-txt-link-rfc2396E" href="mailto:triumphs@autox.team.net"><triumphs@autox.team.net></a><br>
Sent: Sun, Apr 3, 2022 4:50 pm<br>
Subject: Re: [TR] F/S: Laycock 'J Type' overdrive, shaft,
plate<br>
<br>
<div id="yiv7736068761">
<div>
<div>Since you switch mainshafts you have to take the
transmission all the way apart. I did it, the
transmission worked for about a year then stopped
going into second gear. A lot more to the story, but
ultimately decided I had found that my level of
incompetence with auto repair and will farm out
transmissions in the future (you can still save about
half the cost by pulling and installing yourself).
<div><br clear="none">
</div>
<div>Greg Lemon</div>
<div>Triumph TR250</div>
<div><br clear="none">
</div>
</div>
<br clear="none">
<div class="yiv7736068761gmail_quote">
<div id="yiv7736068761yqtfd62828"
class="yiv7736068761yqt5052453427">
<div dir="ltr" class="yiv7736068761gmail_attr">On
Sun, Apr 3, 2022, 3:30 PM Sujit Roy <<a
rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:triumphstag@gmail.com"
target="_blank"
href="mailto:triumphstag@gmail.com"
moz-do-not-send="true"
class="moz-txt-link-freetext">triumphstag@gmail.com</a>>
wrote:<br clear="none">
</div>
</div>
<blockquote style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex;"
class="yiv7736068761gmail_quote">
<div id="yiv7736068761yqtfd73964"
class="yiv7736068761yqt5052453427">
<div>I remember the late Randall Young converting
one from a Volvo for Stag. I can't recall the
details. But it seemed a bit of work for a lay
person. The Stag uses basically the same used
on most Triumphs. There are a couple of gears
for speedo which are unique for speedo
calibration. The shaft is difficult to source
at a reasonable price here in USA.</div>
<br clear="none">
<div class="yiv7736068761gmail_quote">
<div dir="ltr" class="yiv7736068761gmail_attr">On
Sun, Apr 3, 2022, 1:05 PM Blake J. Discher
<<a rel="nofollow noopener noreferrer"
shape="rect"
ymailto="mailto:bdischer.lists@blakedischer.com"
target="_blank"
href="mailto:bdischer.lists@blakedischer.com"
moz-do-not-send="true"
class="moz-txt-link-freetext">bdischer.lists@blakedischer.com</a>>
wrote:<br clear="none">
</div>
<blockquote style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex;"
class="yiv7736068761gmail_quote">
<div> <font face="Avenir">Listers,<br
clear="none">
<br clear="none">
I've been on the list many years, learned
a ton, envy the experts both here and
those who have passed on. I'm putting
some of my parts on eBay. I thought I'd
first offer up a J-Type OD unit here in
case anyone is looking for one. The first
two digits of the serial number are 27
which from my research indicates it is
from a Volvo and provides 27-28%
overdrive. (I'm seeing that in a post on
<a rel="nofollow noopener noreferrer"
shape="rect" target="_blank"
href="http://triumphexp.com/"
moz-do-not-send="true">triumphexp.com</a>
that discusses Laycock overdrive serial
numbers.) <br clear="none">
<br clear="none">
I do have the mainshaft and the adapter
plate. </font><font face="Avenir"><font
face="Avenir">Purchased off of eBay from
a guy in Canada, </font>I never
installed it on my TR6, it's sat in my
basement for at least 10 years. All I can
say is that the unit spins freely by hand,
I can't speak to any other performance. <br
clear="none">
<br clear="none">
I don't want to break up the trio, Rimmer
has the adapter plate at $265 and the
mainshaft at $269. I'm thinking I'd like
to get somewhere in the neighborhood of
$1,200 as-is. I did check eBay, there is
one rebuilt unit, overdrive only (no plate
or shaft) at starting bid $800, buy it now
$1,200. That's how I'm coming up with my
asking price.<br clear="none">
<br clear="none">
Thanks,<br clear="none">
Blake Discher<br clear="none">
313-259-4460<br clear="none">
</font> </div>
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<pre class="moz-signature" cols="72">--
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World go here: <a class="moz-txt-link-abbreviated" href="http://WWW.PORTERBIKES.COM/">WWW.PORTERBIKES.COM/</a></pre>
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