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<p>I only cut the left side factory mount off as it directly hit the
($200+) solenoid and used the factory angled rubber bush cross
mount on angle and square iron bits. So, the rubber bits can be
replaced, but the cross piece has to be partially removed to
remove the drive shaft. A small inconvenience for the next luck
owner.. A types were 22% or 28%.. I'm thinking the J is 25% ?
With the newly added 3.45:1 rear gear set 70MPH is showing
2600RPM. Nice for our NM long distances.... Factory is saying 90wt
gear oil... what is your recommendation for oil? Seems heavy for
cold weather temps. DP<br>
</p>
<div class="moz-cite-prefix">On 11/30/2021 7:59 AM, DAVID MASSEY
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:207685960.1579868.1638284347138@mail.yahoo.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<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 <a class="moz-txt-link-rfc2396E" href="mailto:frogeye@porterscustom.com"><frogeye@porterscustom.com></a><br>
To: DAVID MASSEY <a class="moz-txt-link-rfc2396E" href="mailto:dave1massey@cs.com"><dave1massey@cs.com></a>;
<a class="moz-txt-link-abbreviated" href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a> <a class="moz-txt-link-rfc2396E" href="mailto:triumphs@autox.team.net"><triumphs@autox.team.net></a><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"
moz-do-not-send="true"><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
moz-txt-link-freetext" moz-do-not-send="true">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"
moz-do-not-send="true"><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
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href="http://www.porterbikes.com/"
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<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" moz-do-not-send="true">WWW.PORTERBIKES.COM/</a></pre>
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</font></div>
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</blockquote>
<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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