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1969 bug with a 34 pict 3 carburater?
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Fred Tatler
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PostPosted: Wed May 05, 2021 10:22 pm    Post subject: 1969 bug with a 34 pict 3 carburater? Reply with quote

I have a 34 pict3 carb in my 69 bug. I have read many posts on how to adjust them and have also read as many problems with them. I don't think this carb is original, as the engine was built in may/1969. I am not sure what the model of Carb was supposed to be original equip for '69s but I would change it back to the original carb if I new the model of carb. the engine is a 1200cc 40hp.
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bnam
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PostPosted: Wed May 05, 2021 11:24 pm    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Your original carb was probably a 30Pict 2/3. Later 1200s used a 31Pict3. What distributor do you have on your car?
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mukluk
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PostPosted: Thu May 06, 2021 7:23 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

A 34PICT carburetor shouldn't even physically fit on a 1200 intake manifold, the mount stud spacing is too wide (unless somebody's slotted the stud holes). It might help to post up several good pictures of the engine overall and of the intake manifold ends where they bolt to the heads to verify what we're dealing with.
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ashman40
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PostPosted: Thu May 06, 2021 7:41 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

The 1200cc engine was never used on US-spec Beetles in '69 so you need to look for non-US specs. I'm gonna post a link to glutamodo's "big list" (I hope he doesn't mind). It contains non-US carb details.

glutamodo's "big list" (Word doc)

The best match I could find is on page 2 and page 3. It suggests a Bug w/ a 1200cc engine would have come w/ a 28Pict-2 carb. There is a line at the bottom of page 3 that says a '69 model year Bug for the Japan and Sweden market (produced from Aug '6Cool came with a 30Pict-2.

The matching distributor for the 28Pict carb was the 113905205K.
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Q-Dog
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PostPosted: Thu May 06, 2021 9:27 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

ashman40 wrote:
The 1200cc engine was never used on US-spec Beetles in '69 so you need to look for non-US specs. I'm gonna post a link to glutamodo's "big list" (I hope he doesn't mind). It contains non-US carb details.

glutamodo's "big list" (Word doc)

The best match I could find is on page 2 and page 3. It suggests a Bug w/ a 1200cc engine would have come w/ a 28Pict-2 carb. There is a line at the bottom of page 3 that says a '69 model year Bug for the Japan and Sweden market (produced from Aug '6Cool came with a 30Pict-2.

The matching distributor for the 28Pict carb was the 113905205K.

According to his sig, he is in Canada. So your US spec info may not apply.
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ashman40
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PostPosted: Fri May 07, 2021 4:58 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Q-Dog wrote:
ashman40 wrote:
The 1200cc engine was never used on US-spec Beetles in '69 so you need to look for non-US specs. I'm gonna post a link to glutamodo's "big list" (I hope he doesn't mind). It contains non-US carb details.

According to his sig, he is in Canada. So your US spec info may not apply.

I think you misunderstood my post. glutmodo’s Big List contains US and non-US carb details. The lines I was referencing were for 1200cc engines which were non-US.
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T-F-E
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PostPosted: Sat May 08, 2021 1:01 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

As mukluk mentioned, the 34-pict 3 carburetor shouldn't even fit physically on the 1200. Is there an adapter plate underneath the carburetor? Or maybe the intake manifold have been tampered with? After 50+ years a lot of things often happen to these cars. I have even seen 1200 engines converted into weird 1600 Frankenstein creations.

If I am not mistaken the 28pict-2 carburetor should be the correct one for the 1969 1200. But a 28pict-1 would also work. If the Canadian spec cars were similar to European cars, which were delivered with the 6v electrical system until 1970, even the old 28pict could also work. The 28pict choke is much smaller than on the later models. The 28pict-1 is still 6v, but the choke element is physically similar to the 12v version. The difference between the 28pict-1 and the 28pict-2 is that the earlier ones use the cable mounted return spring. The 28pict-2 has the spring mounted on the carburetor itself similar to a 30pict-1. The carburetor top differs between the different models but to my knowledge the main body is the exact same on all of them. A carburetor mounted return spring can easily be added to an earlier version. I have added one to our car. The 28 series carburetors are very easy to work on and to dial in.

In Europe the 1969 1200 cars were delivered with these distributors (if I am not mistaken, please correct me if I am wrong). They should all be set to 7,5°BTDC with the vacuum line off:
113 905 205 K
113 905 205 L
111 905 205 T

If these can not be found it should also be possible to use one of the older distributors, but they should be set to 10°BTDC with the vacuum line off. The most similar distributors are:
111 905 205 M
111 905 205 N
113 905 205 J

But even the old ZV/JU4R3 and the ZV/PAU 4R models should work. I have tested a lot of different combinations of these various 28 series carburetors and distributors over the years, and they have all worked very good. Right now our daily driver has a 1965 1200 engine with a 1963 28pict carburetor and a 113 905 205 K distributor from 1969. And it works great. All of this is based on my own memory and research so there could be some giant errors in there.
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Fred Tatler
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PostPosted: Sat May 08, 2021 10:18 pm    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Thanks to all for your replies and information. Your replies indicated what I suspected. I just needed more info to go on. I will check the serial number of the distributor and go from there.
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Big Bull Shooter
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PostPosted: Sun May 09, 2021 7:09 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Fred Tatler wrote:
Thanks to all for your replies and information. Your replies indicated what I suspected. I just needed more info to go on. I will check the serial number of the distributor and go from there.

Hi Fred. Are you sure the engine is a 1200cc? My 69 still has the original engine, 1500cc, and originally came with a 30 Pict 2 carburetor and 113 905 205 T distributer. This engine is running perfectly at the moment!
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Fred Tatler
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PostPosted: Sun May 09, 2021 10:05 am    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Engine code is DO 934 195. The chassis is 119 903 294 (Apr/May 1969).

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ashman40
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PostPosted: Sun May 09, 2021 12:43 pm    Post subject: Re: 1969 bug with a 34 pict 3 carburater? Reply with quote

Fred Tatler wrote:
Engine code is DO 934 195. The chassis is 119 903 294 (Apr/May 1969).

Not to pop your bubble, but that engine serial number does not match the VIN production date. The D09xxxxx engine serial number appears to have rolled off the assembly line sometime in the '72 model year, not the '69 model year.

Not only does this mean it is not an original engine to your car but opens the likelihood it was rebuilt at sometime while out of the car. If it was rebuilt at any time it could have very easily been rebuilt as a 1500cc or 1600cc engine. 85.5mm pistons (1600cc) are the most commonly available replacement cylinder & pistons kits over the last 30years and a common upgrade for most wanting a bit more "umph" from their 1200/1300/1500cc engines... your D-stamped engine may no longer be a 1200cc engine. The 34Pict carb and DP heads (assuming you have these to go with the 34Pict carb) are additional indicators that the engine is not the original 1200cc displacement.

The only way to know for sure is to remove the head and measure the bore and stroke of one of the cylinders to calculate the displacement.
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