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Re: [Healeys] OT: Axle Jacking

To: Chris Masucci <cmmasucci@gmail.com>
Subject: Re: [Healeys] OT: Axle Jacking
From: Richard Ewald <richard.ewald@gmail.com>
Date: Thu, 19 Nov 2015 06:58:07 -0800
Cc: John Vrugtman <javrugtman@htcnet.org>, Healey List <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <564D2769.9010801@comcast.net> <564D3117.7010007@htcnet.org> <4C90E823-755F-47D6-A10E-C708010CFF3A@gmail.com>
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One problem with jacking under the pumpkin is that the suspension is
compressed and it make removal of rear tires difficult if not impossible.
Also using the factory screw jack, there isn't a good way to make sure the
jack doesn't slip off.  The factory jack just has a smallish flat plate on
the top, not the big cup like a floor jack.
Rick

On Wed, Nov 18, 2015 at 7:20 PM, Chris Masucci <cmmasucci@gmail.com> wrote:

> Hi Bob,
> If you're talking about a standard 8.8" rear, not independent suspension,
> then it's fine. The axle tubes aren't as thin as you may think.  They are
> almost 1/4" thick tubing. I jack my 1991 Crown Vic police car the same way
> and it has the same 8.8" rear and weighs 1000 lbs more. I would recommend
> welding the axle tubes to the center if you ever plan to drag race with
> slicks though :)
>
> Chris
>
>
> >
> >> On 11/18/2015 8:35 PM, Bob Spidell wrote:
> >> Thought about posting this to shop-talk, but I suspect there's more
> general car knowledge here.
> >>
> >> I believe my Mustang manual has admonitions against jacking the rear by
> placing a floor jack under the rear pumpkin.  I've jacked-up Healeys this
> way for years, but the Healey axle housing is a single chunk of iron; the
> Mustang probably has thin-wall tubes from the pumpkin to the wheels.
> Theoretically, you could bend the thin-wall tubes, but I've done it a few
> times with no noticeable issues.
> >>
> >> Thoughts from the Illuminati?
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<div dir=3D"ltr">One problem with jacking under the pumpkin is that the sus=
pension is compressed and it make removal of rear tires difficult if not im=
possible.=C2=A0 Also using the factory screw jack, there isn&#39;t a good w=
ay to make sure the jack doesn&#39;t slip off.=C2=A0 The factory jack just =
has a smallish flat plate on the top, not the big cup like a floor jack. =
=C2=A0<div>Rick</div></div><div class=3D"gmail_extra"><br><div class=3D"gma=
il_quote">On Wed, Nov 18, 2015 at 7:20 PM, Chris Masucci <span dir=3D"ltr">=
&lt;<a href=3D"mailto:cmmasucci@gmail.com"; target=3D"_blank">cmmasucci@gmai=
l.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"m=
argin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Bob,<br>
If you&#39;re talking about a standard 8.8&quot; rear, not independent susp=
ension, then it&#39;s fine. The axle tubes aren&#39;t as thin as you may th=
ink.=C2=A0 They are almost 1/4&quot; thick tubing. I jack my 1991 Crown Vic=
 police car the same way and it has the same 8.8&quot; rear and weighs 1000=
 lbs more. I would recommend welding the axle tubes to the center if you ev=
er plan to drag race with slicks though :)<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
Chris<br>
</font></span><span class=3D"im HOEnZb"><br>
<br>
&gt;<br>
&gt;&gt; On 11/18/2015 8:35 PM, Bob Spidell wrote:<br>
&gt;&gt; Thought about posting this to shop-talk, but I suspect there&#39;s=
 more general car knowledge here.<br>
&gt;&gt;<br>
&gt;&gt; I believe my Mustang manual has admonitions against jacking the re=
ar by placing a floor jack under the rear pumpkin.=C2=A0 I&#39;ve jacked-up=
 Healeys this way for years, but the Healey axle housing is a single chunk =
of iron; the Mustang probably has thin-wall tubes from the pumpkin to the w=
heels.=C2=A0 Theoretically, you could bend the thin-wall tubes, but I&#39;v=
e done it a few times with no noticeable issues.<br>
&gt;&gt;<br>
&gt;&gt; Thoughts from the Illuminati?<br>
</span><div class=3D"HOEnZb"><div class=3D"h5">____________________________=
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</div></div></blockquote></div><br></div>

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