Sorry your having this problem.
I don't have a cure at least not right now
But
How long after you dive it, does this brake
pull occur? Is it right or left?
are you still using the original brake master
cylinder?

Now here is what I would do, since your mechanics
have tried, many things, switch the drums
then drive it and see what happens..
Also make sure the drums have the same thickness
and are with in tolerance.
To me it seems like the drum is over heating
causing the shoes to grab.
About arching shoes, in todays world most
are pre arched. A good brake shop still should
be able to to the job.. if not, their not that good.
you can to it at home with a file and sand paper.
All the Best

After about 30 + years I just pulled a
Packard block out of my storage in my backyard
The casting is

11 9 55440971
Now I bought my Packard around 1988
I found the "parts" car very close to the same time
it was about 6 miles from my house.

with no internet and not many Packard people
around I did not know what year it was, and
did not know then about the differences in some
of the body style.
So all that being said, does anyone have any
info on those numbers? Is it a 352 from 55 or
a 374 for 56
I'm soaking the pistons in penetrating oil
so I can take them out.. One I tapped on with
a piece of wood and mallet actually moved.
Best

Thanks all
I'm going to delete this posting now.
Best

I can't find my Bezel removal tool.
the Hexagon hollow tube

Who is selling them or
any make shift idea's
Best

I did not think of this myself.
Paul, on here brought it up, he did the
up front work, meaning the F150
I am using a Ford master and a
Mustang hydro boost system.
If you have a 55\56 you know that there is
really no room on the fire wall, and I was
tired of the treble Vac.
I removed the air tube and mounted the
hydro boost the that opening. I have not
gotten to the pedal ratio yet, as I am
re-wiring the dash
In F150 install was very easy...
I think the article by Paul is in the archives
"I hope".
He gave all the info needed including
the Ford kind pin modification
Sorry about the "red" paint... dripped from the
fender.. will clean that up

Hello All
I thought I'd pos these photos of my
brake conversion . 56 400
the setup comes from a 79 Ford F150
new rotors 11.5", new calipers,
the major machining is the king pin.
If I remember the whole conversion cost
about $450.

Attach file:

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  IMG_5721.JPG (297.60 KB)

HI John
I'm looking for the passenger side
upper grill surround . It's the piece right under
the hood.

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  IMG_5688.JPG (201.49 KB)

Nice looking car
First I'd do a lot of reading about your car.
Second see if anyone in France might have
first hand knowledge..
I think the two biggest items are the brakes and
transmission, unless your is a stick shift.
If you read on this site you will see people
who have switched the front drum brakes to
Disc Brakes.. Yes I know. but safety first.
If you do have bad lifters, Chrysler 318
will fit.. but make sure you get the correct years.
Best of Luck, KMI

OK
Sorry I missed this post until today
I was there yesterday... only about a 40 min
drive down the coast.
maybe 2 dozen cars. about 6 vendors.
I left around 10:30. How many times can you
walk around and see the same cars.
on one 55 Caribbean was there, a man
drove his over from Az.
Which brings up a question maybe you know
the answer.
Is the ground strap bolted to the water pump
housing? He had a correct braided strap
and I'm using a cable, which is not correct..
Yes I know I've made changes, but somethings
need to stay the same.
Best

Marty
Hey Marty, you heading to the
Packard International meet
June 25 -27??
Maybe we can hook up..
Fri night is Mexican buffettt
Sat is swap meet and the evening Dinner
then Sunday is whatever???
Best