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IIRC, not sure, that it said that in my 2008 Mustang's shop manual.
I think that car had the usual iron (steel?) differential housing,
but the tubes to the rear wheels were steel tubes pressed into the
pumpkin. I can see how that could be problematic--esp. if the weight
of the wheels, brakes, etc. was suspended--but I did it several
times and the car was fine when I traded it in at about 124K miles,
with the original clutch and brakes. Healey rear axles, I think, are
solid iron so probably not an issue with them.<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/13/2021 8:39 AM, i erbs wrote:<br>
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<div dir="auto">I'm interested in comments about "<span
style="font-size:12.8px"> I read somewhere that jacking the
pumpkin on live axle cars was a not good idea"</span>
<div dir="auto"><span style="font-size:12.8px">I've done this
for almost 50 years on my car and others without any
apparent issues. Have been lucky?</span></div>
<div dir="auto"><span style="font-size:12.8px">I have a quick
jack, but have not yet used it with my Healey. I'm about to
use it on my wife's 67 MGB, then my car.</span></div>
<div dir="auto"><span style="font-size:12.8px">Cheers<br>
</span><br>
<div data-smartmail="gmail_signature" dir="auto">Ira Erbs<br>
1959 AH 100-6<br>
1967 MGB<br>
Milwaukie, OR</div>
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<div dir="ltr" class="gmail_attr">On Mon, Dec 13, 2021, 8:09 AM
Bob Spidell <<a href="mailto:bspidell@comcast.net"
moz-do-not-send="true" class="moz-txt-link-freetext">bspidell@comcast.net</a>>
wrote:<br>
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<div> I wouldn't (yes, I use a QuickJack). I think the QJ
even deforms the chassis rails a bit, and they're stronger
than outriggers and rockers. Maybe someone with a 'real'
lift can chime in on this?<br>
<br>
Modern 'unibody' cars have specific jacking points, and I
suspect putting lifts elsewhere <i>could </i>deform the
under-body panels. I recently did a wheel alignment on my
BN2, and using the QJ was indispensable, essentially
trial-and-error: lots of lift, set, check, drive, lift, set
check, drive ... <br>
<br>
I have a grease pit for jobs 'on wheels.' I almost filled it
in after my dad died--I'm sure it would be illegal these
days--but it's just <i>SO</i> useful, but I spent a
half-day building new covers for it.<br>
<br>
Bob<br>
<br>
ps. I read somewhere that jacking the pumpkin on live axle
cars was a not good idea, though I've done it for years and
not had any issues that I know of. I suspect it could bend
the tubes going to the wheels.<br>
<br>
<br>
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