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You didn't mention what the vehicle is but most manual transmissions have =
a layshaft that is down in the oil at the bottom transmission.=C2=A0 As lon=
g as that layshaft is turning it will be splashing oil and keeping everythi=
ng lubricated.=C2=A0 That layshaft is driven by the input shaft.=C2=A0 As l=
ong as the engine is running (even at idle) the you will get sufficient lub=
rication regardless whether the driveshaft is turning or not.
Flat towing is a whole other animal.=C2=A0 Typically, the engine is not run=
ning in which case the main shaft is turning, driven by the drive shaft, bu=
t the layshaft is not.=C2=A0 No splash oiling and the bushings can run dry =
causing damage.=C2=A0 But if the engine is idling and the clutch is engaged=
- no worries.
I suspect that the laws regarding coasting in=C2=A0 neutral date back to th=
e 30's when brakes were iffy at best.=C2=A0 In today's world brakes are muc=
h more effective and have a level or redundancy built in. My daily driver h=
as a small engine and provides precious little compression braking.=C2=A0 I=
f my brakes were to fail completely (including my hand brake) the engine br=
aking would do very little to prevent a collision.
=20
Dave=20
=20
=20
-----Original Message-----
From: eric@megageek.com
To: Shop-talk@autox.team.net
Sent: Mon, Dec 12, 2022 9:15 am
Subject: [Shop-talk] Coast in Neutral -the next great debate
I'm putting this out to the group to getsome opinions from the real experts=
here.
If you put a manually car or truck inneutral and release the clutch while g=
oing down long hills or coming toa stop at a intersection, are you doing an=
y damage?
I'm not worried about fuel savings,just is coasting in neutral with the clu=
tch release.
Any thoughts?
Moose_______________________________________________
Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/arch=
ive
ssey@cs.com
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<div style="color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size="3">You didn't mention what the vehicle is but most manual
transmissions have a layshaft that is down in the oil at the bottom
transmission. As long as that layshaft is turning it will be splashing
oil and keeping everything lubricated. That layshaft is driven by the
input shaft. As long as the engine is running (even at idle) the you will
get sufficient lubrication regardless whether the driveshaft is turning or
not.</font></div>
<div><font size="3"><br>
</font></div>
<div><font size="3">Flat towing is a whole other animal. Typically, the
engine is not running in which case the main shaft is turning, driven by the
drive shaft, but the layshaft is not. No splash oiling and the bushings
can run dry causing damage. But if the engine is idling and the clutch is
engaged - no worries.</font></div>
<div><font size="3"><br>
</font></div>
<div><font size="3">I suspect that the laws regarding coasting in neutral
date back to the 30's when brakes were iffy at best. In today's world
brakes are much more effective and have a level or redundancy built in. My
daily driver has a small engine and provides precious little compression
braking. If my brakes were to fail completely (including my hand brake)
the engine braking would do very little to prevent a collision.<br>
</font></div>
<div> <br>
</div>
<div style="clear:both">
<div style="color:black;font:12pt Arial, Helvetica, sans-serif;">
<div style="color:black;font:12pt Arial, Helvetica, sans-serif;">
<div><font size="4">Dave <br>
</font></div>
<div><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><br>
</span></div>
<br>
</div>
</div>
</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: eric@megageek.com<br>
To: Shop-talk@autox.team.net<br>
Sent: Mon, Dec 12, 2022 9:15 am<br>
Subject: [Shop-talk] Coast in Neutral -the next great debate<br>
<br>
<div id="yiv9265902714"><font size="2" face="sans-serif">I'm putting this out
to the group to get
some opinions from the real experts here.</font>
<br>
<br>
<font size="2" face="sans-serif">If you put a manually car or truck in
neutral and release the clutch while going down long hills or coming to
a stop at a intersection, are you doing any damage?</font>
<br>
<br>
<font size="2" face="sans-serif">I'm not worried about fuel savings,
just is coasting in neutral with the clutch release.</font>
<br>
<br>
<font size="2" face="sans-serif">Any thoughts?</font>
<br>
<br>
<font size="2" face="sans-serif">Moose</font></div>
_______________________________________________<br>
<br>
<a ymailto="mailto:Shop-talk@autox.team.net";
href="mailto:Shop-talk@autox.team.net";>Shop-talk@autox.team.net</a><br>
Archive: <a href="http://www.team.net/pipermail/shop-talk";
target="_blank">http://www.team.net/pipermail/shop-talk </a><a
href="http://autox.team.net/archive";
target="_blank">http://autox.team.net/archive</a><br>
<br>
<br>
</font></div>
</div>
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_______________________________________________
Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive
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