The is this model, but not in that kind of shape:
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To: Michael.SF.
My brother collects those, older though.
He has 5 pre WWII Packards.
I will ask him.
2 posted on
09/17/2017 11:13:00 AM PDT by
glasseye
("24 hours in a day, 24 beers in a case. Coincidence? I think not." ~ H. L. Mencken)
To: Michael.SF.
Harmonics of a perfectly balanced machine. Like the hum in a Hotpoint washing machine in spin cycle. Hint, I was a builder and rebuilder of these machines. When they are right they have a song they sing. I think this is so with all mechanical things.
4 posted on
09/17/2017 11:14:38 AM PDT by
Glad2bnuts
(If Republicans are not prepared to carry on the Revolution of 1776, prepare for a communist takeover)
To: Michael.SF.
Congratulations, enjoy it!
5 posted on
09/17/2017 11:14:45 AM PDT by
FreeReign
To: Michael.SF.
Some Packard automobiles of this general vintage had a load leveling feature, that automatically adjusted the height to level. Don't know if this particular year and model has this feature.
Another possible answer to this condition could be warn shocks.
6 posted on
09/17/2017 11:14:49 AM PDT by
CrashCole
To: Michael.SF.
7 posted on
09/17/2017 11:15:16 AM PDT by
rockinqsranch
(Dems, Libs, Socialists Call 'em what you will, they all have fairies livin' in their trees.)
To: Michael.SF.
It sounds like some kind of overdrive for high speeds.
8 posted on
09/17/2017 11:15:40 AM PDT by
laplata
(Liberals/Progressives have diseased minds.)
To: Michael.SF.
Sounds like the chassis and springs are finding some sort of resonance around that speed. The car probably needs new shocks.
To: Michael.SF.; dfwgator
Just wait until you hit 88 m.p.h.......
12 posted on
09/17/2017 11:18:11 AM PDT by
SaveFerris
(Luke 17:28 ... as it was in the days of Lot; they did eat, they drank, they bought, they sold ......)
To: Michael.SF.
.
Those old camel knee shock absorbers need more viscous fluid to make up for wear.
.
13 posted on
09/17/2017 11:20:45 AM PDT by
editor-surveyor
(Freepers: Not as smart as I'd hoped they'd be)
To: Michael.SF.
Never heard of that before. Sounds like a transmission or chassis issue.
Would be interesting to know.
18 posted on
09/17/2017 11:26:22 AM PDT by
the OlLine Rebel
(Common sense is an uncommon virtue./Federal-run medical care is as good as state-run DMVs.)
To: Michael.SF.
Had a ‘38 and a ‘53 Buick, both with straight 8’s. As I remember it, the ‘38 didn’t drive down the road, it lunged down the road. You had to drive it to see what I mean. Maybe you have a better description.
19 posted on
09/17/2017 11:29:01 AM PDT by
umgud
To: Michael.SF.
Sounds like the beginnings of Death Wobble to me.
To: Michael.SF.
For starters get those front wheels spin balanced. See what that does for it.
23 posted on
09/17/2017 11:38:19 AM PDT by
Fiddlstix
(Warning! This Is A Subliminal Tagline! Read it at your own risk!(Presented by TagLines R US))
To: Michael.SF.
well, if you’re not rolling at 60mph, you have a flat tire
25 posted on
09/17/2017 11:50:36 AM PDT by
faithhopecharity
("Politicans are not born, they're excreted." -- Marcus Tillius Cicero)
To: Michael.SF.
26 posted on
09/17/2017 11:57:48 AM PDT by
Southside_Chicago_Republican
(If liberty means anything at all, it means the right to tell people what they do not want to hear.)
To: Michael.SF.
Hah...that’s funny. I just visited the Lemay Family Collection museum in Spanoway, WA yesterday. Saw more Packards than you could throw a stick at. GREAT place to visit BTW.
27 posted on
09/17/2017 12:19:58 PM PDT by
moovova
To: Michael.SF.
The car’s suspension system has many parts and many degrees of mechanical freedom; each has its own resonant frequency.
It sounds like you’ve found a vibrational mode that is similar to nutation in a rotating object; in nutation, one axis makes a circular motion around a center line.
I think that resonance of that sort could only occur if insufficient energy is being dissipated by the shock absorbers.
28 posted on
09/17/2017 12:25:26 PM PDT by
Steely Tom
(Liberals think in propaganda)
To: Michael.SF.
The rolling motion is most likely not by design, but as a common consequence of the spring rates and damper settings. I’d say that the mechanic was just confirming that the car was in good, roadworthy shape. If the suspension bushings and shocks were all new, the rolling motion would probably be less noticeable. Leaf and coil springs weaken a bit with age, too.
29 posted on
09/17/2017 12:44:23 PM PDT by
Charles Martel
(Progressives are the crab grass in the lawn of life.)
To: Michael.SF.
That’s not desirable, nor by design. Probably need to rebuild the shocks.
30 posted on
09/17/2017 1:00:43 PM PDT by
dinodino
To: Michael.SF.
‘Congratulations, enjoy it!’
He is saying it is what it is. He can’t fix it. It is an old car. enjoy the little idiosyncrasies of an old car.
I have a 1960 willys wagon. I enjoy every rattle and gear whine.
31 posted on
09/17/2017 1:15:30 PM PDT by
PeterPrinciple
(Thinking Caps are no longer being issued but there must be a warehouse full of them somewhere.)
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