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Re: Proud New Owner of a 49 Packard Club Sedan
#51
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PackardusOctavus
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I was afraid of that. They make the engine look very dressy, but they'll have to go.

Posted on: 2018/10/22 10:14
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Re: Proud New Owner of a 49 Packard Club Sedan
#52
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PackardusOctavus
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It looks like the engine is hanging from the head!

Posted on: 2018/10/22 10:15
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Re: Proud New Owner of a 49 Packard Club Sedan
#53
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PennyPackard
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Quote:

PackardusOctavus wrote:
A new issue! What is the deal with the gas tank sending units. I've seen a lot of discussion and workarounds, but I hate doing gas tank sending units, and want to put it in and be done with it. I'll test the gauge before I take the tank out, but so far I have never had a gauge or wire problem- its always the sending unit. I only want to do this once. Any advice would be appreciated!


Don't know if you sorted the sending unit or not yet. I pulled the tank off my 49 and the sender off. It was pretty crusty and the arm was pretty well stuck in place from sitting for years, brass float was toast with the whole bottom half gone. I cleaned the whole thing up, and pulled it apart (see pictures). It actually looked good inside, which was what I had read about these senders in general on ford group sites (they look like hell outside but might stay sealed where it counts). So... if it still operates with the right signal output range, you can very cheaply buy a new brass float from Dennis Carpenter here (http://dennis-carpenter.com/fuel-tank-float/p/68-9275-f/) which was almost exact to the one on there. The stuck arm, after trying several cleaners, came almost immediately loose and developed free travel with a shot of brake parts cleaner. Then it's just a gasket and maybe some new mounting screws and you're set. Of course if it's not outputting the right signal then it might need to go out unless you're good with electrical engineering.

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Posted on: 2018/10/27 10:54
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Re: Proud New Owner of a 49 Packard Club Sedan
#54
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HH56
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Here is the electrical output of that particular 22-23 series sender.

The sender provides a pulsed on/off action and the output goes from 6v toward ground when the bimetal contacts close. The closed contacts providing ground to the gauge cause its heater and bimetal which is linked to the needle to move toward the full side. The frequency of the pulses and duration out of the sender depend on how much the float acting like a cam against the bimetal changes how hard and long the heater has to work to make the bimetal contacts close. Once the gauge heater and sender heater are in sync electrically the pulses become very short and at a regular interval to maintain just enough heat to keep the gauge at a particular spot.

This type sender was only used on the 22-23 series and as far as I know there are no reproductions and very few NOS available. There were two senders used by Packard because of the different capacity tanks. Some Fords of that era used a similar sender but most likely with different arms because of their different tanks. The 22-23 series temp sender works in the same fashion and is also not easily found.

Tinman who has a project blog here is working on a 49 and has done some experiments to find an easily available modern variable resistance type sender that might work as a substitute. He has one identified that looks good on the bench but does not have his car on the road yet to verify long term operation and gauge stability. Details of his work are at the PAC forum project blog where he posts as Tinman_70.

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Posted on: 2018/10/27 12:43
Howard
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Re: Proud New Owner of a 49 Packard Club Sedan
#55
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JD in KC
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Looks like you have the build slip still stuck between the whistling air vent and the fill tube. Is it complete and still legible?

Posted on: 2018/10/28 8:29
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Re: Proud New Owner of a 49 Packard Club Sedan
#56
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Steve
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incredible call JD in KC, I just enlarged the pictures and from the different views I agree with you it appears to be the build slip.

Posted on: 2018/10/28 13:14
Steve
Old cars are my passion

1951 Packard 200
1953 Packard Clipper Custom Touring Sedan
1955 Dodge Custom Royal Lancer Tri-tone
1966 Rambler Classic 770 Convertible
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Re: Proud New Owner of a 49 Packard Club Sedan
#57
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Owen_Dyneto
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Slips were teletyped to various parts of the plant for various assemblies, the one on the gas tank is thought to be the chassis build slip though the info is similar or the same as the body build slip.

It would be very interesting to compare the content of the two slips if someone had both from the same vehicle.

Posted on: 2018/10/28 14:49
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Re: Proud New Owner of a 49 Packard Club Sedan
#58
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JD in KC
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Here are the two build sheets from my '50 (factory re-numbered '49) Custom.

Edit: Except for the mystery number at the beginning of the gas tank version, the data is the same (at least it is on mine).

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Posted on: 2018/10/28 16:23
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Re: Proud New Owner of a 49 Packard Club Sedan
#59
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Owen_Dyneto
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Thanks, adds to our understanding. I sort of expected that the chassis slip might differ by having the rear axle gear ratio.

Posted on: 2018/10/28 17:15
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Re: Proud New Owner of a 49 Packard Club Sedan
#60
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PennyPackard
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Nice catch! Yes that is the slip in there and it is legible and I was able to decipher the code with help, attached a picture. I haven't checked for the glove box one yet, maybe I'll do that tomorrow/Wednesday when I try starting (if I can get the right size fuel pump inlet hose, the one I was sent is small on male side big on female side).

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Posted on: 2018/10/30 6:03
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