Help with Carburetor Identification

[tonys1pr]

Need some help identifying this Carburetor that I just purchased from Lane Russell. I was expecting to receive a Carburetor stamped with 105-1 on the flange, but received one with the following markings.

So from what I can tell, this was an early 30 PICT 1 carburetor without the power jet. There is no number stamped on the flange. But what does the modification number mean?

Before I take issue with Lane Russell, I would value your input.

[EverettB]

Based on this chart from glutamodo,
I would say that one does NOT have the power jet system:

It also says that 47-1 uses the early throttle return spring so maybe that carb. has a later top installed on earlier body.

I don't know if that changes anything.

I would PM glutamodo directly and ask for his input here
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[bluebus86]

the stamping on the bowl I do not think is stock, news to me, never seen that before. I guess that is a marking from the rebuilder, the numner may indicate the jetting, or a rebuild serial number of some sort. Id guess that the 1967 number is an indication of year model that the carb should go on.

Call Lane Russel and inquire about the stamping. I suspect Lane Russell will be able to tell you what that stamping means

good luck
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[glutamodo]

That marking on the bowl IS STOCK. That's how they stamped the modification state numbers into early 1966 model year. Late 28PICT-1s were stamped like that as well.

You can place the top half of a later 30PICT-1 with the power fuel system onto the early bottom. You'd want to add the check ball in the carb body as well for it to function as intended for 1967/1500. This carb has had the throttle lever changed out and that would have required a different throttle shaft since the "flats" are at a different angle and it's not just a bolt-on change.

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Andy T.


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[tonys1pr]

Thanks to all the responders so far for your insight. I'm going to reach out to Lane Russel for their response before I take the top of the carburetor to see what it has.

After reading through the multiple posts in the forum, I am still uncertain what in carburetor top is the power fuel system and whether you can tell by looking down the throttle opening.

This is a picture of what I have:

Is there some additional outlet for the fuel that should be visible?

[notsnarb]

Give Eric a call at Lane Russell, he's a very nice and very knowledgeable guy and in my experience will be more than happy to help you.

[tonys1pr]

Quick update, I reached out to Lane Russell and had a response back from Eric within 30 minutes, hows that for customer service. I thought I would share his response:

[Sharp64]

There should be a second tube near the top for the power circuit. Here’s a site with a good explanation and some pics. http://1967beetle.com/30-pict-1-carburetors/
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[glutamodo]

Hm, well that does look to be missing the power fuel jet. There were 1300 carbs (after the 47-1) that had the throttle return spring but no power fuel outlet.

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IMAGE NOTE: It has been noted that Chrome based browsers may have issues in displaying my vast image library, which use non-secure links and are on an FTP server. Images should still be viewable if the link is clicked though.
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[mmmcphersonjr]

This might be somewhat off topic but close, I've recently purchased a nice restored 30-pict-1 with the correct flange stamp # and power fuel circuit for my 67 bug but after installation noticed some surging at low RPM's otherwise great operation. I pulled the carb checked and blew out the main and idle jets and on a hunch pulled the power fuel large brass tube from the carb body expecting to see a check ball there but found none? Thinking the builder forgot it I went and got a junk frozen throttle shaft 30-pict-1 body with the correct passage and pulled its tube and found no ball there either?? My "understanding" was that a check ball prevented gas flow until high RPM air flows lifted the check ball other wise it is just a open line from bowl to discharge point .Should my 30-pict-1 flange stamp 105 have a check ball there? Thanks in advance Milton

[glutamodo]

Only the 28 PICT carbs have the check ball. 30PICT-1 that are so equipped, have a slightly smaller jet WITHOUT a check ball.

The power fuel system will not cause low speed surging. It only comes into play at/near full throttle. And problems with it so that it doesn't flow, cause a reduction in top end power.
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IMAGE NOTE: It has been noted that Chrome based browsers may have issues in displaying my vast image library, which use non-secure links and are on an FTP server. Images should still be viewable if the link is clicked though.
I do not know how to fix this. All I can say is it all works fine for me with what I use, Firefox.