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EFV-8 Club Forum / 1932 Ford Discussion / Detroit Lubricator Carburetor

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Discussion Topic: Detroit Lubricator Carburetor -- page: 1 2

Iannz

02-05-2017 @ 2:40 PM

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3w2.
Thanks very much for the information, I have overhauled the Detroit Lube carburettor a while ago, I will check on the vanes it seems something has jamed up, and what is the correct float level?
I have fitted a 1941-1947 Ford 6 carburettor at the moment which has worked out very well.

3w2

01-22-2017 @ 4:07 PM

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Iannz,

It sounds like your problem is a stuck vane inside the center section of the carburetor. I suggest a good cleaning in lacquer thinner or whatever you normally use for remove gasoline residue. Once clean, put it back together and see if the vanes move freely up and down. If the hang up, sometimes the die cast vanes need a little dressing with emery cloth on a flat hard surface as they are made of die cast zinc and have a tendency to swell with age.

Try not to damage the gaskets when you disassemble the carburetor (especially the one for the float bowl cover) as they are not available and you'll have to make new ones if they require replacement.

TomO

01-20-2017 @ 8:20 AM

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You should start a new topic with your problem.

Does your car idle? If so check the spark by holding a plug wire near a head nut. The spark should be blue in color and about 1/2 inch long.

Clean or replace your spark plugs if the car will not idle and then check the spark.

If you have good spark, your carburetor may need rebuilding. If the spark is weak or orange colored, replace the condenser, and recheck. If it is still weak, have the coil rebuilt and the distributor serviced.

Tom

Iannz

01-19-2017 @ 3:14 PM

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I have a Detroit Lubricator Carburettor fitted to my 32 coupe it has been starting not too bad and the engine has been running allright up to now. When I try and start the engine now there is clouds of black smoke come out the exhaust and the engine only runs on a few cylinders therefor I cannot drive the car. I have adjusted the mixture screw down but it makes no difference has anybody else had this problem.

Iannz

01-19-2017 @ 3:12 PM

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Iannz

01-19-2017 @ 2:46 PM

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I have a Detroit Lubricator carburettor fitted to my 32 coupe I have been having a lot of trouble with it lately, the engine has been running good and not starting too bad up to now , but when I go to start it now there is clouds of black smoke coming out the exhaust and it is only running on some cylinders as if it running too rich therefor I cannot drive the car. Anybody else had this problem. I have scr*w*d the mixture screw down but it makes no difference.

canadadeuce

09-15-2014 @ 9:16 PM

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Hi
Also looking for Ford32 Detroit Lubricator Carb gaskets or rebuild Kits

Norrie Spencer B C Canada See early V-8 Roster

TomO

05-17-2014 @ 8:15 AM

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Pulling out the choke, increases the idle rpm as well as the fuel flow from the fuel pump. Pulling out the throttle will increase the idle rpm and not affect the fuel flow as much. You could try that.

Does the engine die when making slow turns, right or left?

How did you adjust the metering pin? Check your spark plug color to see if it is too lean or too rich. If the color is good, adjust the pin to the rich side 1/8 turn at a time to see if that improves the condition.

Have you checked the fuel output of the fuel pump? It could be marginal due to restrictions in the supply line, short pump rod or weak diaphragm.

To check fuel delivery, you need a graduated 16 ounce or larger container to determine the amount of fuel delivered in a measured time. Disconnect the fuel pump line from the carburetor and direct it into a graduated container. Crank the engine long enough to get 2 ounces of gas in the container and then continue cranking for 15 more strokes of the pump. The pump should have delivered 6 more ounces of gas.

Tom

rogerh

05-16-2014 @ 1:48 PM

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More: the car idles great when warm, and runs great at 10 mph or 60 mph. Something is happening inside when I slow down that is causing the problem.
One might say the engine in slowing down less than idle speed and the engine vacuum is too low, but I always push the clutch in as the engine slows down nearing the stop sign, so the rpm should be above the minimum required to keep fuel flowing through the carb. Maybe the DT doesn't like stop signs.

rogerh

05-16-2014 @ 1:44 PM

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Hi Tom:
Pulling out the choke about 1/4 is the only way to prevent it. It at least makes the car driveable. If I don't pull out the choke, the engine dies just as I'm pulling up to the stop sign. It always starts immediately after I push the starter switch.
I've played with fuel levels, but no improvement. The carb 'experts' that rebuilt it don't have a clue what the problem is. They just say send it in again and they'll double check, but since they don't test it in a driving car, they'll never even see the problem. The odd thing is, many years ago when I rebuilt it, it ran fine for quite a while, then suddenly started dying at stop signs. That's when I changed the float level, but as I say, no good results. I'm baffled. Thanks for your suggestions. Any more?

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