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Spinning the differential unloaded cause no issues. Spinning the output
shaft of the transmission while it's in neutral provides no lubrication
within the transmission and will nuke applicable bearings / bushings.Â
When the car is in gear, oil is being flung about the transmission, in
neutral that's not the case. That's why you need to disconnect the
driveshaft before towing with the rear wheels on the ground.
Regards, Tony Drews
On 10/28/2023 5:58 PM, Frank Fisher wrote:
> enlighten me as to why one would have to disconnect the driveshaft.
>
> inquiring minds need to know
>
> Frank
>
>
>
>
>
> On Saturday, October 28, 2023 at 11:11:09 AM PDT, Kinderlehrer
> <kinderlehrer@comcast.net> wrote:
>
>
> Hardy Prentiss used to flat tow his TR3 behind a Jaguar E-type all
> over the country. He did disconnect the driveshaft before towing.
>
> Bob
>
> *From:*Triumphs [mailto:triumphs-bounces@autox.team.net] *On Behalf Of
> *Philip Ethier
> *Sent:* Saturday, October 28, 2023 8:37 AM
> *To:* Art McEwen
> *Cc:* triumphs@autox.team.net
> *Subject:* Re: [TR] Flat towing a TR3
>
> I fried a MKII Cortina bearing by flat-towing.
>
> On the other hand, a SAAB 96 was no problema, just put the car in
> Freewheel.
>
> On Thu, Mar 28, 2019 at 9:06â?¯PM Art McEwen <amcewen2@cogeco.ca> wrote:
>
> I read somewhere where this wasn't possible without disconnecting
> the driveshaft due to, I think, a bearing in the gearbox or O/D
> that doesn't get lubricated without the gearbox in gear.  But
> I've also read reports of Kas Kasner and his contemporaries
> routinely flat towing to the race track.  Which is true? Both?Â
> Neither? Or is Kas forgetting he used to disconnect the
> driveshaft at the end of the weekend?
>
> I've seen several MGBs (different gearbox design?) and MX5s being
> flat towed behind RVs, I know the MX5 manual says it's a no-no.
>
> Just wondering.
>
> Art '60 TR3A.
>
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
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>
>
> --
>
> Phil Ethier West Side Saint Paul Minnesota USA
>
> 1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
> 2004 Suburban 8.1, Sport Red
> 2005 Lotus Elise, Bordeaux Red Pearl, Gone but not forgotten
>
> 2006 Gulf Stream Conquest Super C, 8.1, White
>
> 2011 Cayman 2.9 PDK, White
>
> 2017 Ford Fusion SE 2.0 Turbo, Oxford White
> www.mnautox.com <http://www.mnautox.com/>
>
> ** triumphs@autox.team.net **
>
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<p>Spinning the differential unloaded cause no issues. Spinning the
output shaft of the transmission while it's in neutral provides no
lubrication within the transmission and will nuke applicable
bearings / bushings. When the car is in gear, oil is being flung
about the transmission, in neutral that's not the case. That's
why you need to disconnect the driveshaft before towing with the
rear wheels on the ground.</p>
<p>Regards, Tony Drews<br>
</p>
<div class="moz-cite-prefix">On 10/28/2023 5:58 PM, Frank Fisher
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:286530270.163424.1698533888691@mail.yahoo.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div class="ydpa1c83a43yahoo-style-wrap"
style="font-family:Helvetica Neue, Helvetica, Arial,
sans-serif;font-size:16px;">
<div dir="ltr" data-setdir="false">enlighten me as to why one
would have to disconnect the driveshaft. </div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false">inquiring minds need to know</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false">Frank</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div dir="ltr" data-setdir="false"><br>
</div>
<div><br>
</div>
</div>
<div id="ydp88310361yahoo_quoted_8867152852"
class="ydp88310361yahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial,
sans-serif;font-size:13px;color:#26282a;">
<div> On Saturday, October 28, 2023 at 11:11:09 AM PDT,
Kinderlehrer <a class="moz-txt-link-rfc2396E"
href="mailto:kinderlehrer@comcast.net";><kinderlehrer@comcast.net></a>
wrote: </div>
<div><br>
</div>
<div><br>
</div>
<div>
<div id="ydp88310361yiv0198123130">
<div>
<div class="ydp88310361yiv0198123130WordSection1">
<p class="ydp88310361yiv0198123130MsoNormal"><span
style="font-size:11.0pt;color:#1F497D;">Hardy
Prentiss used to flat tow his TR3 behind a Jaguar
E-type all over the country. He did disconnect the
driveshaft before towing.</span></p>
<p class="ydp88310361yiv0198123130MsoNormal"><span
style="font-size:11.0pt;color:#1F497D;"> Â </span></p>
<p class="ydp88310361yiv0198123130MsoNormal"><span
style="font-size:11.0pt;color:#1F497D;">Bob</span></p>
<p class="ydp88310361yiv0198123130MsoNormal"><span
style="font-size:11.0pt;color:#1F497D;"> Â </span></p>
<div id="ydp88310361yiv0198123130yqt46417"
class="ydp88310361yiv0198123130yqt8605026490">
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in;">
<p class="ydp88310361yiv0198123130MsoNormal"><b><span
style="font-size:10.0pt;">From:</span></b><span
style="font-size:10.0pt;"> Triumphs
[<a class="moz-txt-link-freetext"
href="mailto:triumphs-bounces@autox.team.net";>mailto:triumphs-bounces@autox.team.net</a>]
<b>On
Behalf Of </b>Philip Ethier<br clear="none">
<b>Sent:</b> Saturday, October 28, 2023 8:37
AM<br clear="none">
<b>To:</b> Art McEwen<br clear="none">
<b>Cc:</b> <a class="moz-txt-link-abbreviated"
href="mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a><br
clear="none">
<b>Subject:</b> Re: [TR] Flat towing a TR3</span></p>
</div>
<p class="ydp88310361yiv0198123130MsoNormal"> Â </p>
<div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal"><span>I
fried a MKII Cortina bearing by
flat-towing.</span></p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal"><span>
 </span></p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal"><span>On
the other hand, a SAAB 96 was no problema,
just put the car in Freewheel.</span></p>
</div>
</div>
<p class="ydp88310361yiv0198123130MsoNormal"> Â </p>
<div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">On
Thu, Mar 28, 2019 at 9:06â?¯PM Art McEwen <<a
shape="rect"
href="mailto:amcewen2@cogeco.ca";
rel="nofollow" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">amcewen2@cogeco.ca</a>>
wrote:</p>
</div>
<blockquote style="border:none;border-left:solid
#CCCCCC 1.0pt;padding:0in 0in 0in
6.0pt;margin-left:4.8pt;margin-right:0in;">
<p class="ydp88310361yiv0198123130MsoNormal">I
read somewhere where this wasn't possible
without disconnecting the driveshaft due to, I
think, a bearing in the gearbox or O/D that
doesn't get lubricated without the gearbox in
gear.  But I've also read reports of Kas
Kasner and his contemporaries routinely flat
towing to the race track.  Which is true?Â
Both? Neither? Or is Kas forgetting he used
to disconnect the driveshaft at the end of the
weekend?</p>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">
 </p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">I've
seen several MGBs (different gearbox
design?) and MX5s being flat towed behind
RVs, I know the MX5 manual says it's a
no-no.</p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">
 </p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">Just
wondering.</p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">
 </p>
</div>
<div>
<p class="ydp88310361yiv0198123130MsoNormal">Art
'60 TR3A.</p>
</div>
<p class="ydp88310361yiv0198123130MsoNormal">**
<a shape="rect"
href="mailto:triumphs@autox.team.net";
rel="nofollow" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">triumphs@autox.team.net</a>
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</blockquote>
</div>
<p class="ydp88310361yiv0198123130MsoNormal"><br
clear="all">
</p>
<div>
<p class="ydp88310361yiv0198123130MsoNormal"> Â </p>
</div>
<p class="ydp88310361yiv0198123130MsoNormal"><span
class="ydp88310361yiv0198123130gmailsignatureprefix">--
</span></p>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<p
class="ydp88310361yiv0198123130MsoNormal"><span
style="font-size:6.5pt;color:black;background:#EFEFEF;">Phil Ethier West
Side Saint Paul Minnesota
USA</span></p>
</div>
<div>
<p
class="ydp88310361yiv0198123130MsoNormal"><span
style="color:black;background:#EFEFEF;">1973 Triumph Stag LE22439UBW
"uncle jack", Sapphire
Blue</span><span
style="color:black;"><br
clear="none">
<span
style="background:#EFEFEF;">2004
Suburban 8.1, Sport Red</span><br
clear="none">
<span
style="background:#EFEFEF;">2005
Lotus Elise, Bordeaux Red
Pearl, Gone but not
forgotten</span></span></p>
</div>
<div>
<p
class="ydp88310361yiv0198123130MsoNormal"><span
style="color:black;background:#EFEFEF;">2006 Gulf Stream Conquest Super
C, 8.1, White</span></p>
</div>
<div>
<p
class="ydp88310361yiv0198123130MsoNormal"><span
style="color:black;background:#EFEFEF;">2011 Cayman 2.9 PDK, White</span></p>
</div>
<div>
<p
class="ydp88310361yiv0198123130MsoNormal">2017
Ford Fusion SE 2.0 Turbo, Oxford
White<span style="color:black;"><br
clear="none">
</span><a shape="rect"
href="http://www.mnautox.com/";
rel="nofollow" target="_blank"
moz-do-not-send="true"><span
style="color:#001839;background:#EFEFEF;">www.mnautox.com</span></a></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
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id="ydp88310361yqt12705">** <a shape="rect"
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<pre class="moz-quote-pre" wrap="">** <a class="moz-txt-link-abbreviated"
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