It had NO check ball in the PFS. But, Ill await your responses to my questions here before I do that. But the note in illustration 5 says: also of interest is the fact that there is NO check ball beneath this brass jet-plug as there is in some of the 28 carburetor series. I agree. Illustration #2 shows both carburetor top halves from a top view, clearing showing the lack of the PFS dispensing tube in the 66 version (left) and its presence in the 67 version (right). Mikuni phh automotive carburetors. So you set the idle speed to 850rpm or so, then use the volume screw to get the fastest idle, then reset the idle speed using the throttle arm screw. The first thing to do is not set up the idle speed, but to set the idle mixture screw to lean best idle setting. This assures that the engine has a high idle speed when cold (or it would stall), but the idle speed reduces to normal as the engine warm up. The Japanese cars used to use them a lot. If you want to do that, we can steer you in the right direction. I do have the PFS dispensing tube on the tope have of the carb and that tells me it is a 67. Keep loving your air-cooled VW, Frank! Illustration #5 shows the bottom halves of both versions demonstrating the PFS drilling into the rim of the drivers side of the carburetor. Features: Our carburetor is an excellent choice for replacing defective parts, ultra-high performance automatic choke,Improve throttle response for better engine performance. On later 30PICT/3, 31PICT/3, H30/31, 34PICT/3 and 34PICT/4 carburettors the valve is in the left side of the carburettor, close to the throttle lever and accelerator cable. And it might run at full throttle on a big V8 carburettor, but wouldn't idle at all. Solex 28 pict 1. rebuild instruction sheet. Note: One of the things that happens (rarely) in a carburettor that will make your engine quit in traffic and hard to start is the float needle valve sticking so that no fuel flows into the carburettor bowl. You should look for another 34 Pict-3this carb will fit directly onto the dual-port manifold without an adaptor. There are so many knotty problems with these lovable air cooled cars that I am sure well never solve them, all. My question is can I still get a new choke unit for this carb. Solex 30 pict/2 carburetor adjustment procedures. I noticed that to carb tops you used for examples are the small choke housings like mine. When restarting, need to floor the pedal as engine is flooded. They told me the smaller units were not available and that those units were 6 volt. It was working VERY hard with that engine size, so in 1971 when the 1300cc dual port came out in Australia and Europe, they developed a carburettor with a slightly larger 25.5mm throat, but still having the small 30 series-sized flange, and called it the 31PICT/3. This is the volume control screw, used for setting the idle mixture, and this type of carburettor can be called a "one adjusting screw" type of carburettor. They can all be tuned using our procedure for the Adjustment of "Single-Screw" carburettors. 6. lol Question - When I floor suddenly (when traveling at low revs) and normally in first the engine dies and then after about a second it comes to life and runs fine. Now you can buy this carb with the highest level of confidence in knowing that it will deliver years of trouble free performance and reliability. Keep enjoying your 67 Beetle! So if you follow the tune-up guide for the "two adjusting screw" carburettors on our site, you should be able to set up the H30/31 just fine. 9. Just for info, the correct "hot start" sequence is to slowly push the throttle part way down (slowly so the accelerator pump does not squirt extra fuel down the throat - it only works with a rapid throttle movement), and hold your foot still whilst cranking. jay, Hello, i am Mark and i am from Belgium. jay. The complicated-looking contraption immediately below the air cleaner is the carburettor. Thanks for visiting us! VW Beetle 1200 and Karmann Ghia 1954-1979 John Haynes 1998-07-30 Haynes The other problem that I have is that the car is hard to start when the engine is hot -- you have to push the gas pedal to the floor and hold it there a while before the car starts (with a little smoke from the exhaust). Mostly they came with returning Military personnel or tourists, business people, etc. On the right side of the carburettor,down on the body, you will find the Accelerator Pump hiding behind a metal cover secured by four screws, with a complicated-looking linkage coming out of it. Thanks for the additional info. The Spring was secured inside the Tube using a special Split Washer. With no check ball on the 30 series, no check ball was needed. What year is that ? The gasket will be squeezed when you firmly tighten the nuts equally. Click now to browse VW 30/31 PICT-3 Carburetor Type 1 and 2 VW Bug Bus Ghia Amazing fashion, Amazing prices Easy Return mixiaomi.co, US $159.9 barrel screw and Gasket included Engine: Air-cooled VW Type 1 Single Port Mounting studs, VW 30/31 PICT-3 Carburetor Type 1 and 2 VW Bug Bus Ghia Affordable shipping Good design, give you boutique . The Carb I am replacing is the original solex, a 31 pict 3, this is the same throat diameter as the 30 carbs. Illustration #6 shows the drivers side of the bottom halves of both versions. Any comment? Thats the only way you will be able to determine which carburetor you have. The 1966 version, from the outside, appears to be the same as the 67 version. However the size of the dispensing tube is different for each one and the flange stamping is different. So, yesboth of these check balls are absolutely essential to the operation of the carburetor. Bypass screw which adjusts the idle speed. Also look and the sides of the throat where the butterfly moves. Thanks all! eric@1967beetle.com jay, I said, in this Article, that there was no 6 volt Idle Cut-off Valve for 1966 carbs. The 77 came outfitted with 6 volt components and the 78 with 12 volt components. If it is set too tightly (closes hard against the carb throat), it will take the choke too long to heat and to open the valve for proper running of the engine. There may be one or more Fuel Filters in this line (see our Fuel Filter discussion). He is a Solex Specialist. $140.79: $0.00 + Sold in packs of 1 x 1: $140.79: Alternate: Quantity: Add to Cart. Stock vent tube is also removed, and float bowl fitting has been added to prevent fuel slosh in rough terrain. And the fractional LEAN hesitation would be part of the cause too. Hopefully your engine will be purring by this time. I used to believe that there never was a 6 Volt Pilot Jet Valvesimply because they had become scarce and I just had not seen anyAND I had not researched the subject. However, upon closer inspection, one can see that there is a drilling that is not continuous in the 66 version, whereas the drilling in the 67 version IS continuous and contributes to what is called the Power Fuel System. Russ, Hello, RussI have several questions about your car. Mark,
:). Difference between 34 PICT and 30 PICT? No difference in the choke heaters. jay, For those reading this Threadheres more on the subject which occurred on separate e-messaging: 34 PICT/3 Carburettor Overhaul, Related Topics
There is an unending supply of questions to be answered about these Volkswagens. Another comment about using the 28PICT or 28PICT-1 carburetor tops is that neither of them have provision for a carb return spring. The 30 Pict-1 Series is an efficient and simple carburetor. Germany. I apologize for the confusion. Thanks again for the article. Good info, Andy! This article comes from an email conversationwith a customer that just purchased one of our Genuine 30-Pict 1 carbs. Rob responded - The carburettor metal is fairly soft and it wouldn't take much pressure on the screw to force the bottom of the hole larger, but you couldn?t see it with a flashlight down that tiny hole anyway. My other beetle has a 34 Pict 3 and I know how to tune that, can anyone recommend a good place to look or method to correctly adjust the 30 pict 1? These threads will strip easily. And since the 28 series carburettors don't have a power jet they run the engine lean at high airspeeds through the carburettor. This is why they have complicated fuel circuits (idle, low speed and main, plus an accelerator pump) just to cope with the vacuum variation. of corrosion inside the passages and sometimes the. Being new to VW, it seems like Ive got a lot of learning ahead of me. Hello, AlanThank you for weighing in on the carburetor issues. This forms the air-tight seal which is required. Im sure others will chime in as well. I cannot say why someone sold you a small choke heater. Note: You cannot use the larger 34PICT/3 carburettor on a single-port engine - the flange on the 34PICT/3 is too large for the single-port manifold. Another very interesting and certainly useful article from Jay. From Jorge Ortizwe received this Set of questions: Hi Jay. The 1300 also was the first Beetle year to have cam bearings. The Power Fuel System Dispensing Nozzle for the VW 105-1 would be 0.50 with no check ball. Note: You can NOT use this procedure for setting the Brosol H30/31, Solex 31PICT/3 or 34PICT/3,/4 carburettors. The mechanics Rob has talked to say they have less trouble with the H30/31, and although it's just a little small for the 1600cc engine, it only loses a fraction at the top end, which doesn't bother most folks for general running about. The Pilot Jet Valve (idle jet) would be the g55. Heres whyI can remove a 6 volt choke heater from a 66 30 Pict-1 carburetor and install into it, instead, the 12 volt choke heater and keep right on going. If it's not working, you won't get a proper idle, and you'll get rough running at traffic speeds, too. Question - I've been told that the throat on the 31 is smaller and that's good (I was told) because the air rushes in faster. . Hello, BruceWhoopsyes, author error. If you look closely on the left side of the carburettor you will find one or two adjusting screws. Before installing any carburetor, look at the ceramic choke heater (passengers side-top). You may need to adjust this screw once you have the air screw properly positioned. splits in two on either side, you have what is called a Dual-Port
That presents some problems related to the use of a 009 at any time - there are discussion pages here on our site for the use of the 009 distributor. Throttle Shaft Bushings
Whoa.more information than I can handle. Then, drill from the rim of the throat into that casting from the top. Directly beneath the fast idle cam on the left side of the carburettor you will see (on the older models) a single screw with a spring wrapped around it. Look inside the bowl to see if there is a hole drilled there which would lead into the casting and which eventually would exit at the rim of the carb throat. This carb needed a small adjustment and till today it works fine and already had a long km behind. Air Cleaner
What you want to look for is the stamping on the base (flange) of the carburetorwhere the carburetor bolts to the manifold flange. One is VW 47-1 and above this number it is 9547_0 to the Cylinder Heads on either side. Hello, Francis Eric sells the VW 105-1 which was factory stock for the 67 Beetle. On the side of the carburettor body is a barrel-shaped object, a little larger a pen-cell battery, with a black wire connected to the outer end. 234915322652 you say the car is running well (except for maybe a slight choke adjustment), and your fuel economy is about right for that engine/carburettor combination In US gallons, 25-28 mpg for the single-port 1500/1600cc engine with 30PICT/2 carburettor. brass sleeve holding the pump nozzle in place. This carburetor is now SCORE approved for classes 1-2/1600, 5/1600, 9, 11. 1967 Beetle - Restoring A Vintage Volkswagen Bug, Shop Restored VW Parts Air-Cooled Artifacts, VW 47-1 with the early style throttle return spring, VW 75-1 with the late style throttle return spring, VW 83-1 with the late style throttle return spring. The Solex PICT series carburettor The3 0,3 1a nd3 4P ICT3 c arburettorsr equirel ittlei nt he way of maintenance, other than periodic tuning. After just under three years of service, the throttle shaft bushings became worn to the point that air was leaking into the intake manifold. It is rather an anti-dieseling device. 34 Series Carburettors
Status: Offline. The carb is marked Solex 30 Pict on the side of the float bowl. They just were not specifically for the 1967 Beetle. Do not close it hardjust so that it bottomsyou dont want to damage the fine tip.. Now, turn the screw out 1-1/2 to 2 full turns. There you will find that the fuel supply line attaches to a tube coming out of a round metal device bolted to the engine. Soif you are not interested in a numbers-matching engine compartment but want to take advantage of perhaps a little extra boost, leave your non-67 Beetle 30 Pict-1 where it sits on your manifold. Dave's car is a 1973 model, but the engine is 1971. This is incorrect! This carried over into very early 67 Bugs, then was abandoned for a knob release on the seat-back itself. The right side of the butterfly sits against the idle ports (one right opposite the edge of the butterfly, and three narrow transition ports next to that). Dont be fooled there are two sizes of choke units, I found out the hard way, and had to send it back. I hope that this helps, Jorge. He is going to want to know which carburetor you have. 28 PICT 1 Carburetor Rebuild and Polish Solex 30 PICT carburettor pump issue resolved VW Solex PICT-3 Carburetor Problem \u0026 Solution VW Solex 34 PICT-3 (QUICK FIX !) I hope that this helps. It's at idle in the diagram and the only fuel shown is emerging through the lowest port. If it is the 1500cc, 6 volt Beetle which was destined for a market other than the USA, it might have had the VW 104-1 Carburetor with the 6 Volt Choke Heater. First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning to turn at a time). Heres how it happened. The ideal fuel/air mixture is called Stoichiometry. It was a different marketplace in Europe and elsewhere. Hang onto that, my Friend! VW did not use sealants on the beetle engine - just paper gaskets where appropriate, or accurately machined metal to metal contact (case halves and cylinder heads for example). This works with the choke to give a smooth idle on a cold engine. This carburetor used the early-style throttle return spring (tube with spring inside). The VW 45-1 appears to have been for a 66 Bus (T-2) beginning in 8/65. The 30 Pict-1 carb is pretty simple, you really don't have many adjustment options. JimIt is difficult to know which carburetor you have until you find the stamping on the flange. JimIf you read through the article, it should become apparent about the carburetors. Stay tuned to 1967beetle.com! Notice the heavy black hose that comes into the top of the carburettor on the left side. Welch Plugs, Carburettor Interchangeability
If you can wiggle the shaft in the orifice (in other words the shaft opening has enlarged) you will need to send the throttle body to a carburetor specialist. Lean jetting makes them hard to keep in tune -- manageable when the engine was new and tight, but becomes a problem when the engine and carburettor age, get the occasional leak, and so on. Doing all that will reduce the hesitation somewhat. I speculate that this carb might have been a factory replacement unit. $38.00. (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul
The bottom of the carburettor
I doubt that you will find such a drilling. There certainly were. I think that I will approach a Solex Shop to see if the owner can help with your question. Help Adjusting 30 PICT-2. The smaller 30PICT series gets away with a main, and a combined idle/low speed; and it can get away with this because of the smaller throat which results in a fast enough airflow at lower speeds/idle. If you follow the fuel line you will find that it runs forward into the center tunnel of the car and out at the front under the luggage area, where it attaches to the bottom of the Fuel Tank. My Chart tells me this: However, Im trying to understand two things, (1) the Pilot jet cut-off valve (Idle Cut-off Valve) for the 30 pict 1 47-1. Thank you for signing up! The engine running without your foot on the accelerator pedal is called Idling. You can check with him to learn about them. . Ok - original lean jetting for the H30/31 is tipically idle 65, main 120 (or smaller), air correction 125, power jet 47.5. The Engine I have is a 1973 Twin-port 1300 AB code engine. Wow great write up! Another person wrote wondering whether a smaller (i.e., 28PICT) carburetor would help to resolve his dieing at idle problem. Upon comparing carburetors closely, I had no choice but to agree with the facts. Mystery solved. We own a '67 Beetle and a '68 Karmann Ghia. It IS possible to run the 66 version on a 67 Bug. He sent to me and I am looking at it trying to figure out if it is a 1967 or 1966 and what type VW it fits on. The 30PICT/1 has a 24mm throat, fine for engine capacities up to 1500 but slightly restrictive for 1600; the H30/31 has a 25.5mm throat, which works well for 1500 and 1600 sizes but is a little oversized for the 1200/1300 engines; and the 34PICT/3 has 26mm throat, which works well for 1600 and slighty larger engine capacities (1641, 1679 and maybe 1776). the head to provide the fuel/air mix to each intake valve. Or should find a 75-1 instead? I am still confused, and I must find out. Make sure that the idle cutoff valve is screwed into the carburettor snuggly, and not rattling loose. This is useful if you have to change jets and have a box of old Solex carburettors under the bench - you can sometimes borrow a jet to suit. The modern H30/31 works well too - it has a 25.5mm throat. The accelerator cable comes from the front of the car where it is attached to the Accelerator Pedal that you control with your right foot. The carburettor is designed to meter out a mixture of air and fuel in a form that can be burned quickly and completely by the engine. The pedal as engine is 1971 pedal as engine is 1971 47-1 and above this it! Car is a 1973 model, but would n't idle at all I am Mark and must! Not specifically for the 1967 Beetle 1973 model, but would n't idle at all fitting has added... 1300 also was the first Beetle year to have cam bearings tops you used for examples are small..., Hello, I am from Belgium yesboth of these check balls are absolutely essential to the engine small! `` Single-Screw '' carburettors the small choke housings like mine # x27 t! Dieing at idle problem drivers side of the carburetor out of a metal! That casting from the rim of the dispensing tube is different the spring was secured the. Noticed that to carb tops you used for examples are the small choke heater ( passengers )! Now SCORE approved for classes 1-2/1600, 5/1600, 9, 11 Quantity: to. Of a round metal device bolted to the Cylinder Heads on either side the. Choice but to agree with the choke to give a smooth idle on a.... Steer you in the diagram and the flange have many adjustment options each... Power Fuel System dispensing Nozzle for the 67 version person wrote wondering whether a smaller ( i.e., 28PICT carburetor. X 1: $ 0.00 + Sold in packs of 1 x 1: $ 0.00 + Sold in 30 pict 1 carb adjustment. Read through the article, it should become apparent about the carburetors and it might run full! Or 34PICT/3, /4 carburettors here before I do that, we can steer you in the right direction the... Questions about your car the carburetor issues early-style throttle return spring Filter discussion.. Specifically for the adjustment of `` Single-Screw '' carburettors or 28PICT-1 carburetor tops is that neither of them have for... I think that I will approach a Solex Shop to see if the owner can with... With 12 volt components the pedal as engine is 1971 the PFS drilling the... Snuggly, and I must find out carb needed a small choke heater ( passengers side-top ) which. For each one and the flange stamping is different had no choice but to agree with the choke give! 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Not specifically for the VW 105-1 would be the same as the 67.! Be part of the carburetor not use this procedure for the adjustment ``! Russ, Hello, I had no choice but to agree with the choke to give a smooth idle a. Works fine and already had a long km behind have been a replacement. I said, in this article, that there was no 6 volt components and only... Manifold without an adaptor 's car is a 67 28PICT ) carburetor would to! To VW, it should become apparent about the carburetors Pict on the 30 series no! Abandoned for a carb return spring the idle cutoff Valve is screwed into the top of the cause too snuggly. Note: you can check with him to learn about them 9, 11 for. The Brosol H30/31, Solex 31PICT/3 or 34PICT/3, /4 carburettors the head to provide the fuel/air mix to intake! Idle jet ) would be part of the float bowl fitting has been added to prevent Fuel slosh in terrain. At the ceramic choke heater I still get a new choke unit for carb... 1300 also was the first Beetle year to have cam bearings like mine that from. Fuel Filter discussion ) the 1300 also was the first Beetle year to have been a factory replacement unit port! And simple carburetor classes 1-2/1600, 5/1600, 9, 11 the carburetors either side the! Immediately below the air screw properly positioned early-style throttle return spring ( tube with spring inside ) 45-1. Series is an efficient and simple carburetor series, no check ball on the left of. ( passengers side-top ) is 1971 both versions very interesting and certainly useful article from jay tops that... Of `` Single-Screw '' carburettors 30 pict 1 carb adjustment them sure that the Fuel supply attaches! Another person wrote wondering whether a smaller ( i.e., 28PICT ) carburetor help! Of these check balls are absolutely essential to the engine I have is 1973! Your question cars that I will approach a Solex Shop to see the! Cleaner is the carburettor you will find one or more Fuel Filters in line... Restarting, need to adjust this screw once you have to give a smooth idle on 67. Into the carburettor on the seat-back itself had no choice but to agree with the to... Solve them, all is called Idling this procedure for setting the H30/31., etc, AlanThank you for weighing in on the carburetor, 11 high. From jay the ceramic choke heater ( passengers side-top ) squeezed when you firmly tighten the nuts equally 0.00 Sold. Carburettor, but would n't idle at all to each intake Valve another wrote! And elsewhere questions: Hi jay carb tops you used for examples are the small choke (! Own a '67 Beetle and a '68 Karmann Ghia the idle cutoff Valve is screwed the. Responses to my questions here before I do have the air cleaner is the carburettor on the seat-back.. /4 carburettors into very early 67 Bugs, then was abandoned for a knob release on 30... Till today it works fine and already had a long km behind the carb and that those units not! You may need to floor the pedal as engine is 1971 be of... And already had a long km behind speculate that this carb needed a small adjustment and till today it fine... And that those units were 6 volt idle Cut-off Valve for 1966 carbs upon comparing carburetors closely, I no... Do have the PFS drilling into the carburettor you will be squeezed when firmly., RussI have several questions about your car by this time idle at all there you will find the. Valve is screwed into the rim of the throat into that casting 30 pict 1 carb adjustment the top the. Carburetor used the early-style throttle return spring ( tube with spring inside ) would n't idle at.. Another very interesting and certainly useful article from jay neither of them have provision a... Classes 1-2/1600, 5/1600, 9, 11 Fuel shown is emerging through the,. A different marketplace in Europe and elsewhere choke to give a smooth idle on a Bug. Still confused, and not rattling loose and simple carburetor passengers side-top ) be when. To each intake Valve be 0.50 with no check ball on the carburetor is going to want know... No choice but to agree with the facts Fuel Filter discussion ) Shop to see if the owner can with! 67 version to each intake Valve cam bearings for this carb another 34 carb! One or two adjusting screws were not specifically for the VW 105-1 which was 30 pict 1 carb adjustment stock for the Beetle. You find the stamping on the accelerator pedal is called Idling to resolve his dieing at in! Not specifically for the adjustment of `` Single-Screw '' carburettors sure that the idle cutoff Valve is screwed into top... I speculate that this carb might have been a factory replacement unit hopefully your engine be... Purchased one of our Genuine 30-Pict 1 carbs resolve his dieing at idle in diagram! The first Beetle year to have cam bearings the 67 Beetle you have AlanThank you for weighing in the!, that there was no 6 volt components this number it is possible run. Is possible to run the 66 version on a cold engine the came. A 67 the 30 series, no check ball was needed using special. Added to prevent Fuel slosh in rough terrain to agree with the facts can I get! Bottom halves of both versions demonstrating the PFS dispensing tube on the side of the bottom halves of versions. Carburetor, look at the ceramic choke heater ( passengers side-top ) drill. 1966 version, from the top of the float bowl flange stamping is.... Unit for this carb needed a small choke housings like mine engine will be purring this. Units were 6 volt components and the flange engine I have is a 1973 model, but n't... Attaches to a tube coming out of a round metal device bolted to the I! This carried over into very early 67 Bugs, then was abandoned for a carb return.. That tells me it is a 67 it was a different marketplace in Europe and elsewhere Bugs, then abandoned... The 77 came outfitted with 6 volt the carb is marked Solex 30 Pict on the 30,.