What kind of carb is this?

[Yoyota]

Hello!
I have a new-to-me 1974 westy. It starts, runs but then dies at red lights etc. I am thinking of rebuilding the carb, But I don't think it is a PIC 34. Anyone know what it is?

[Wasted youth]

Appears to be some design of progressive two barrel carburetor, maybe a Weber. Search out Weber Progressive in the Samba search engine.

[busdaddy]

Here's a good place to start: http://www.thesamba.com/vw/forum/viewtopic.php?t=217070&highlight=suck
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[Wildthings]

Looks like it has a lot of anti pollution dogadgets, so I would put it toward the end of the carbureted era ~1985 when fuel injection had really taken hold. Could be either a Holley or a Weber or some less known "licensed by Weber" carb. Looks like a bit of an odd duck so it may be difficult to come up with gasket sets and such for it.

[Tcash]

The carb is the last thing you should be touching. Do a basic tune up first.

Tune up


Good luck
Tcash

[mikedjames]

It does look like a Weber progressive carburettor underneath a lot of original additional hardware.

Do the tune up

When it dies at red lights is it easy to restart or is it hard to start?

If it is easy to restart but dies then :
Most likely candidate on a basic progressive carburettor is a blocked idle jet : but on your carburettor it looks like there is some kind of complex variation on the simpler progressive, probably emission control hardware which controls the idle mixture. And that is more unknown territory.

On a normal progressive there would be an idle jet holder screw near the heater capsule with the wire going to it. Undo the holder screw, blow out the jet held in the end of the screw and replace.

If it is hard to start it is probably flooding.
In which case the fuel metering needle valve or the floats in the float chamber may have problems.
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Ancient vehicles and vessels

1974 VW T2 : Devon Eurovette camper with 1641 DP T1 engine, Progressive carb, full flow oil cooler, EDIS crank timed ignition.
Engine 1: 40k miles (rocker shaft clip fell off), Engine 2: 30k miles (rebuild, dropped valve). Engine 3: a JK Preservation Parts "new" engine, aluminium case: 26k miles: new top end.
Gearbox rebuild 2021 by Bears.

1979 Westerly GK24 24 foot racer/cruiser yacht Forethought of Gosport.
1973 wooden Pacer sailing dinghy

[SGKent]

maybe something in the Holley / Autolite line. Or maybe a clone of the Holley Bug Spray with metal filter? Look around it with the air cleaner off and with a mirror for the name.

Here is a model without the metal filter. They made a model with it too.

with filter:

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[Yoyota]

Hey!
Thank you all for the advice! Based on your comments I think it is a plugged idle circuit.

FYI the Carb is a Weber DPD 0631.
I was able to find a weber carb manual online here:

http://www.carnut.dk/porschemanual/Haynes%20-%20We...Manual.pdf

I am looking to see if there are any any re-build kits or compatible carbs.

[Tcash]

Progressive Center Mount Carb