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Re: KPack's 1954 Panama
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DavidPackard
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Let's start with the shop manual for the '51 - '54 cars. Look in Section XXI, titles 'Specification'. On page 42 is a line entry for the 'Idle Adjustment Turns Out', which for your carburetor is 1 to 1 1/2 . . . that would be the amount the screw is rotated out from the seat.

On page 5 of the '46-'50 Repair and Tune-Up Manual (I know it's the wrong model carburetor, but for this circuit the statement is valid) there is a statement that then the screw is rotated 'out' the mixture will be enrichened.

I've included a pdf file that shows the two locations to adjust the idle speed and mixture. This artwork depicts the WDO carburetor, but your adjustments are in the same location and will appear identical.

The screws are ideally set to the same position off of the seat, but a slight variation is OK. Closer to the seat is less fuel. Many will advise the use of a vacuum gauge when adjusting the idle mixture. At a fixed throttle position the vacuum gauge is a surrogate for a tachometer. You should be adjusting for peak engine speed, or manifold vacuum, they are one in the same.

I would start by cleaning the adjustment screw area . . . perhaps with some brake cleaner . . . and then with the engine shut-off rotate one of the adjustment screws toward the seat (you will be rotating the screw clockwise). Be careful, what you will be doing is counting the number of turns until the seat is encountered. What I want you to be careful of is the torque you will be applying to the screw once the seat is encountered . . . do not apply a lot of torque once the screw stops rotating. Before you conduct this procedure you have made a mental note of the 'o'clock' position of the screw driver slot, and base the number of turns from that observation. You will rotate the mixture screw counter clockwise back to the initial position, and repeat the procedure for the other mixture screw.

OK the carburetor is adjusted back to what it was before, plus you know how many turns both screws are off of their respective seats. You will compare your results to the specified amount (1 - 1 ? turns). If you find your car had close to the correct amount of adjustment, then a simple mixture adjustment will not likely fix the rich condition, however if the results indicate the screws are adjusted further away from the seat, by ? or more turns, then perhaps the rich condition may be correct by a simple adjustment. You can restore the specified mixture adjustment by again finding the seat (don't over torque) and back-out the specified amount. Do that for both screws. A word of caution the idle speed and idle mixture adjustments somewhat talk to one and other, so if you made a big change in the mixture don't be surprised if the idle speed stop screw needs a bit of adjustment.

I will also remind you that Cater included in all of their service information that the basic health of the other engine systems should be verified before the carburetor is disassembled. Those systems include the usual suspects of ignition, both timing and point gap, spark plug gap, and valve adjustment. Only then should the float level and mixture adjustments be messed with. I take exception to the Carter mixture adjustment advice if the current adjustment is unknown.

There is one item that will cause a rich condition, but once and awhile will cure itself, that is debris holding the float valve (aka needle and seat) open just enough to richen, but not enough to flood. That's a long shot!

dp

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Posted on: 2020/9/6 13:18
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Re: KPack's 1954 Panama
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DavidPackard
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I just saw the comment made by Ken P about the carburetor during the compression test. That got me thinking about whether the rich condition is/was nothing more than ' too much choke'.

Posted on: 2020/9/6 13:24
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Re: KPack's 1954 Panama
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kevinpackard
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David - That is good advice, thank you. That is the route I was planning to take (mark initial position, close the screws while counting turns, back them back out, etc) to see how close I am to spec. It's good to hear I was thinking correctly.

I don't know that the rich condition is solely due to choke. I close the choke valve (manual) when starting cold, but then I open it all the way up after the car is running. The exhaust smells of fuel even after the engine has been warmed up and run at 25 mph for a number of minutes. It seems like it's running rich all the time to my untrained senses.

I'll tackle the adjustment/investigation this week and see what I find.

-Kevin

Posted on: 2020/9/6 14:15
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Re: KPack's 1954 Panama
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kevinpackard
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Spending some time in the evenings working on the Panama after the kids go to bed. One of the many things I'm trying to get done is the lighting. I have much of it working, but still need to wrap it up.

I fixed the front parking lights (repair the cut wires). The turn indicators do not work anywhere (front, back, dash indicators), which tells me the problem is probably in the turn signal switch in the steering column. If the switch is anything like the headlight switch in the dash it is probably all corroded and needs a good cleaning. Plus there is some sand that got in there that needs to get cleaned out. And the transmission gear indicator light does not work, so I have to get in there to replace that.

How do I get the steering wheel off? The manual talks about a special puller, but surely there's something more generic I can use?

-Kevin

Posted on: 2020/9/10 15:57
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Re: KPack's 1954 Panama
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HH56
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You may be able to rent something from a local parts store or the type shown is fairly inexpensive at Amazon or ebay. On the inexpensive puller you may also need to buy a couple more screws to fit the threaded holes in the wheel hub. You could make something similar to the factory puller using a flat but thick piece of metal drilled for the hub screws and threaded for the center pull bolt.

Definitely get the correct type puller or you risk damage to the end of the shaft or the threads which will make replacing the wheel very difficult. To remove the wheel, use your palm to push down on the horn emblem and then twist slightly CCW to release it. There is a rubber cushion under the emblem which if deteriorated and became sticky can cause issues. Once the emblem is off remove the 3 screws holding the horn ring assy to expose the nut. Disconnect the horn wire from the inline connector at the end of the steering box and tie a long string to it. Pull the contact, wire and string up out of the shaft. Cut off the string but use grease or something on the inside of the shaft so you can tuck the string down and out of the way but not have it fall back down the shaft. Before going farther, measure the gap between the wheel and the shroud so you get the wheel back to near the same distance so the pins on the hub can reach and release the turn signal switch cancel hooks. Normally the gap is about 1/16 to 1/8". Remove the nut or just loosen it several turns to get a bit of space for the wheel to slide up off the splines a bit. Unless you have the correct puller with a wide support that lays over and protects the threads I would suggest you try and leave the nut on the end of the shaft so the threads do not get damaged. If nut has to come off for enough room for the puller place something over the shaft so the end does not mushroom or threads collapse. Once the splines break free or turning the puller bolt has eased then you can remove the nut. Just replace the wheel in the reverse order using the string to pull the wire back down. You may need to wrap a thin piece of tape over the string and wire end to make a smoothed taper so the wire end will start thru and more easily pass thru a narrow channel at the box.

On the turn signals, here is an extraction showing the 51-4 switch and the overall circuit. Switch physically changed in 55-6 but electrically, it is the same. The sand could have done a job on the switch as could old age warping of a phenolic support board causing a contact to not be in line with the others and make a connection. Corrosion buildup on the contacts from just sitting could also be the issue.

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Posted on: 2020/9/10 17:06
Howard
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Re: KPack's 1954 Panama
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r1lark
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Kevin, how is the replacement windshield header install coming along?

Posted on: 2020/9/10 18:28
Paul
www.studebakerskytop.com
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Re: KPack's 1954 Panama
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Wesley Boyer
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Kevin, here's what I used to remove my Steering Wheels. I would put the nut back on and tighten down the two bolts, a little at a time. And it would slowly pop off.
Oops! In this photo I use those two washers and a wrench as a spacer to tighten down.
Wes

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Posted on: 2020/9/10 19:48
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Re: KPack's 1954 Panama
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Packard Don
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That would work in an emergency but, as it isn't one, I would opt for the proper puller. They are inexpensive and will do the job easily without risk of damage.

Posted on: 2020/9/10 20:08
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Re: KPack's 1954 Panama
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MJG
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I love a good excuse to buy a new tool and then tell my wife all the money I just saved us. I would buy the puller too. Don't try this at home: Years ago I was in a You Pull It salvage yard with a friend helping him get trim off a '55 Merc when he noticed the steering wheel was better than his. I remembered reading a technique that could remove wheels with a hammer. I doubted how well it would work but neither if us had a puller. One person sits in the driver's seat pulling on the wheel while the second smacks the shaft with a hammer. It amazed me how quick it popped off the splines. Prior to we did a few rounds of rock paper scissors to determine who would have a hammer swinging near their face. I would not do this with your car but for a salvage yard wheel works great. Even though I didn't care about the car in this case I used my trusty brass hammer that was made from a boat inboard prop shaft.
Mike

Posted on: 2020/9/10 20:35
1948 Custom Eight Victoria Convertible
Others:
1941 Cadillac Series 62 Deluxe Convertible Coupe
1956 Oldsmobile 88 Sedan
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Re: KPack's 1954 Panama
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Wesley Boyer
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Yes, with two day service, it's no problem getting a special tool and I also like telling the wife about how much money I save just like when she goes out shopping and starts telling me how much she's saved.
But sometimes the old country boy comes out in me. Grew up 8 m8les from a small town and 36 miles from the big city. Just couldn't run to town for parts, repaired a lot of stuff on the fly.
O'well just a thought, most steering wheels aren't that hard to get off.
Wes

Posted on: 2020/9/11 8:42
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