The VW 105-1 Air Correction Jet would be 125z. Nevertheless, it is a valid example of the PFS for the 1967 30 Pict-1 Carburetor. 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 !) Solex 30PICT-2 Carburetor VW Volkswagen Beetle Bug. If it is closing too tightly, do the following. They just were not specifically for the 1967 Beetle. Russ, Hello, RussI have several questions about your car. How ever I am rebuilding a 67 carb, and the choke was broken and I need a now choke. This should allow the carburetor to function when you start the car. I was reading this article and found it very helpful. Shop JBugs today for high quality aircooled VW parts! 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). This forms the air-tight seal which is required. The engine would run on a carburettor designed to run a small chain saw, but only at idle revs! [* WordPress Simple Firewall plugin marked this comment as trash. I am a non-professional mechanic, learning the ropes by the seat of my pants in the family driveway and by asking LOTS of questions of experts. Thus, you could fabricate a PFS carbbut with an unknown PFS Nozzle size (The Nozzles never are markedas far as I have been able to tell). Ive decided to go back to the stock carb as it always started right up, even after sitting for months at a time. Hang onto that, my Friend! Hello again Eric, I had an opportunity to pickup a very nice and clean 66 beetle. 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). I was reading this article and found it very helpful. It is possible that the 79 (which is missing on my charts) may fit into the scheme of things for the 66 and 67 T-2s. The main jet is located in the float bowl behind . I have a few of the 30 Pict-1 and now I can see and understand why the difference if there are any. Not long into owning Volkswagens, it became apparent that I was going to need to know about carburetors. People switch parts on these puppies all the time. And so, I was brought up short when my friend announced to me that there were two versions of the 30 Pict-1 carb for USA import Beetles. Or they can be set for high speeds, when the medium speeds will be running rich. Stepped cam which holds a fast idle when the choke is operating. by Patryk Rebisz Before . Touch the wire back onto the connector, and you should hear a clicking sound as the valve inside moves. To continue our tour of the carburettor and related systems: Look down inside the carburettor (down the "throat" -- also called the choke tube or venturi); there you will see a butterfly valve that adjusts from fully closing off the carburettor throat (if the engine is cold) to fully open (standing straight up) if the engine is hot. 8. The Spring was secured inside the Tube using a special Split Washer. It caught some other people off-guard, as well. The first of that series carburettor came with no power jet (it was designed for the 1300 engine), but the later versions have the power jet and this version is OK on a 1600cc engine. Question - I have a simple question about the Solex 30 PICT/2 carburettor. 07 October 2007, 04:44 . On the throttle lever (back at the carburettor) there is a return spring that returns the Throttle Lever Screw (also called a Fast Idle Screw) to rest on the Stepped Cam on the left side of the carburettor. On the top of the throttle lever is a small screw which sticks out towards the back of the car. brass sleeve holding the pump nozzle in place. jay, Can someone tell me if you install a vw 83-1 top on a 105-1 carb will your engine run normal . The My chart shows these as non-USA only carburetors. Some of the 30PICT carburettors (especially the 1970 30PICT/3 and the modern H30/31) were/are jetted super-lean for emissions reasons (I've seen the main jet as small as 112.5). Perhaps they too were unaware of this. 2. Not many here in the USA. VW Carburetor - 30 PICT-1 for Single Port Intake Manifolds. 28 PICT-1, 30 PICT-1 and 30 PICT-2, remove the idle mixture screw and spring. As to your question: your combination will operate. 28 Pict Vs. 30 Pict-3. 30-Pict 1 Carb Installation. We never have seen a 31 Pict-3 carburetor hereonly the 30 Pict 1, 2 and 3s. So.. Lets talk about how to properly install one. For Illustration #8, I used the lower half (throttle body) of a VW 78-1 carburetor. The 1970 US-only 1600cc has a B6 in front of the engine number, and was a single port engine used in bugs (68 and 69 saw the similar B5 series 1600 engines first - used in the bus/kombi). Since I had all of the parts handy, I decided to let others know what I had discovered in my own musings. 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. The breastplate is a one-year-only tin as is the air breather. But. Follow the fuel supply line down from the top of the carburettor to just below the Distributor (the round orange or black thing with five heavy wires protruding from the top of it). Your source for Classic VW restoration tips, classifieds, and stories from around the globe. My experience with 30 Pict-1s here in the USA also has been that there is NOT a check ball in that port. Why dont you consider having yours restored? 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. Every source I have looked at only . 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. I made a statement in my article saying that it would take much investigation to determine the differences for carburetors for Karmann Ghias, T-2s and Beetles both in the USA and abroad. $60.00. 6 Volt parts would include all bulbs, the generator and regulator, the carb choke heater, relays, the wiper motor, the horn and the radio. Mystery solved. Seriously useful info for most of us playing with out 67s. 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. I am completely unfamiliar with the 1300 twin-port engines. Ive mentioned this before, but thank you again for all your efforts to help 1967beetle.com grow. Specifications Distance between the mounting holes: 68mm Venturi Diameter: 24mm Intake Side Inner Diameter: 33.5mm Air Filter Mount Inner Diameter . There certainly were. jay, Hello, i am Mark and i am from Belgium. I will continue to check to see if I can unearth this carburetor. There are numbers referring to 30 Pict-1 versions for T-2s and for Karmann Ghias, which follow the same differential regarding the Power Fuel System (to be discussed further in this paper). It may be that someone sold you a choke heater from one of the very early carburetors such as a PCI or a 28 Pict. jay. on the side of the carburettor. Thanks for coming back to me, youre right, Im in the UK so a non US vehicle. jay, Hello, AlanHere goes againmy first reply was lost. One is VW 47-1 and above this number it is 9547_0 4. 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 . Hi Jay. DO NOT OVER-TIGHTEN! Thank you for stimulating our collective brains! 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. 1. Turn the Bypass Screw (the larger one) out a couple of turns, to get things started. Just tighten firmly. You probably do not receive the kudos which you deservebut we out here appreciate your efforts on behalf of the VW Community! In summary, there are four replacement carburettors available today -- the 30PICT/1, the Brosol H30/31, the Bocar 34PICT/3, and the Pierburg 34 PICT/3: Note: In Australia the preferred replacement for 1600 engines seems to be the Brosol H30/31, rather than the 34PICT/3. The engine should pick up speed and begin to smooth out. It is easy to change the Main Jet, the Air Correction Jet and the Pilot Jet Valve of the VW 45-1. Carburettor/Distributor Restoring A Vintage Volkswagen Bug. Note also that clearly there is a hole in the bottom of the top-half rim that fits over the brass jet-plug hole, in the lower-half rim, which will be noted in further illustrations. Engine warmed up, but switched off. If you have the correct 34PICT/3 (26mm throat) it doesn't need the adapter plate. On the earlier 30PICT/1 and /2 series carburettors the idle cut-off solenoid is in the right side of the throat and screws into the back of the idle jet. The Factory Pilot Jet would have been g60. Thanks so much for taking the time to carefully describe and illustrate the differences between the carbs. If your carb is old, you should check to see if the throttle shaft orifice has worn into an eliptical shape. EMPI 30 PICT-1 Carburetor. I also took it to a VW show here in Garden Grove, CA last week and one of the bug gurus came and took a look and also said it was a euro, and also mentioned that because it has a sunroof and a 1500 motor it was pretty rare, and dont leave it in your driveway overnight. Help Adjusting 30 PICT-2. Back out turn more, or until the . Your carb was introduced 12/65 and originally would not have had the PFS. A warped mounting flange can cause a potential vacuum leak. Brosol H30/31 Carburettors The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. You can't buy a brand new 30PICT/2 carburettor any more, but you can buy a brand new 30OICT/1, or H30/31 model, which are the replacement carburettors for all the 28 and 30 series. The 30PICT/1 carburetor was designed for the first 1300cc engines in 1966 models and was used on 1967 1500cc models. Turn it in slowly until it bottoms. Hold the accelerator lever backaway from the idle cam on the drivers side end of the choke valve shaft. And because we of 1967Beetle.com are concerned with Beetles, and, specifically 1967 Beetles, my comparisons will be limited to the 66 and 67 Beetle versions of the 30 Pict-1 carburetors. Now, we are retired and enjoy VWs as a hobby. With no check ball on the 30 series, no check ball was needed. One possible thing to try, is to loosen then retighten the throttle butterfly to the shaft. If the car makes a habit of this, its time to rebuild the carburettor and replace the float needle valve, which is included in most carburettor overhaul kits. Once the car is running, allow the choke to heat to open the choke valve (flapper). Hello Jay, A side effect of the Solex type is that they can be set to run with just the right mixture at medium (town) speeds -- but the high speeds will then result in a leaner mixture. of hours of experiments by those German engineers. Theres a good supply of most 6 volt parts. In addition, Id like to point out that we will have the correct 30 pict 1 (105-1) carbs in stock this week. In fact, we raised our family in these cars. Illustration #6 shows the drivers side of the bottom halves of both versions. Great article, Jay. Receive posts from 1967beetle.com in your inbox. You mention buying a new carb. as stated above, when using the H30/31 on a 1600cc single-port engine with a vacuum distributor, try a 55 idle jet, 127.5 main jet and 125 or 130 air correction jet. Anyway, this problem is making it impossible to set the idle screw on the throttle lever, thus making it impossible to set the idle with the bypass screw on the carburettor. $38.00. Im going to try and get a birth certificate from Germany. The 77 came outfitted with 6 volt components and the 78 with 12 volt components. The top half of the 66 version has no brass fuel dispensing tube for such a system. ZU VERKAUFEN! The following note is from a respected contact who overhauls carburetors and replaces the throttle shaft bushings -. At the bottom of the carburettor is a second butterfly valve, the Throttle Valve (you can't see it, but trust me) which opens to supply air and fuel to the intake manifold and on to the engine. I thoroughly enjoyed your article and precise style of writing! This procedure also applies to the 30PICT/1 and 28. series carburettors having a single adjusting screw. Unscrew the float needle valve from the upper part of the carburetor. Thats a complicated discussion for some other venue. Thus, the PFS Nozzle could/would be of a different size. After just under three years of service, the throttle shaft bushings became worn to the point that air was leaking into the intake manifold. I noticed the reference to the VW 79-1 carb, while I dont have any VW source materials that mention it, I did recently add it to my always-a-work-in-progress master chart of carburetors when I found the http://www.ruddies-berlin.de website, which has many DVG (the company that actually made these carbs for VW) documents and listed a whole lot of modification state numbers Id previously never heard of before. Besides the engines (1300-1500) and carbs was there any other significant differences between the 66 and the 67 beetle? These have two throats, a smaller one for idling and gentle cruising about town, and a larger throat which only opens when you step on the gas. Fuel System Repair Manual. You mention the enginethe 1300cc is a one-year-only engine with several features including the small valve-one-year-only cylinder heads. I doubt that you will find such a drilling. And an extra bit of performance if we are using the wrong model. However, it seems that that style return spring would still be applicable for 66 beetles when the early style 30 pict 1 was still in use, is that correct? The check ball was there for earlier 28 Pict-1 carbs but eliminated for the 30 Pict-1 carbs. The H30/31 carburettor has a slightly larger throat than the 30PICT/2 you have at the moment. (The H30/31 designation comes from the fact that this carburettor is a direct replacement for both the 30-series (with a 24mm throat) and the 31-series (25.5mm throat) used on the post-1971 1300s in Europe etc. Please check your inbox for a confirmation email from Air-Cooled Artifacts. Flooding Contrast the Main Jet of the VW 105-1 for the 67 Beetle which would be120. Thanks Jay for responding so quickly. Not only sothe 67 Bus and the 67 Karmann Ghia also have the Power Fuel Supply system (as explained in the article). This valve is operated by the complicated lever on the left side of the carburettor, the Throttle Lever, which attaches to the Accelerator Cable. Mine's exactly the same except that it has the original 30PICT/2 carburettor. I think that most switches dont care whether it is 6 or 12 volts. TheSamba and to Andy T. who compiled data from several sources. Is your carburetor a 30 Pict-1? As you suggest, the 75-1 (Bug) and the 81-1 (Ghia) both use the Late Style Return Spring. Be sure that the wire to the choke element is securely fastened. Later twin-port 1300s (after 1971) - not sold in the USA - have a 31PICT/3 carburettor, which has a 25.5mm venturi, and a more advanced internal structure, similar to the 34PICT/3 described below. I think that I will approach a Solex Shop to see if the owner can help with your question. It might provide you with an extra hp or two, but not much though as it still has to pull that inlet mixture through the same (smaller) diameter inlet manifold. Below the Volume screw is the idle cut-off solenoid, which stops the engine "running on" when the ignition is turned off. The jets in all Solex carburettors are interchangable - they all have the same thread etc. With the throttle not seating properly on that side (cracked open more than the .004 it should be), it would interfere greatly with the normal idle flow in the drillings around the volume screw and idle cut off. This Site is owned and managed by a good friend of mine: 1966vwbeetle.com. The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. 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. Any residual gasoline simply would flow back into the bowl and would have no effect upon performance. Additional thanks to several who made contributions to: Don't overtighten it though, it's got a fine brass thread and screws into the pot metal of the carburettor -- both relatively soft metals. Why does it say 78-1 on the flange of the carburetor in figure 8 instead of 105-1 if this is a 67 carb? Accelerator Pump Thanks for visiting us! I discovered this misstep too late in the process to reverse it. I have been driving and working on 67 Beetles for over 37 years. Doing all that will reduce the hesitation somewhat. If it's not working, you won't get a proper idle, and you'll get rough running at traffic speeds, too. Adjusted jetting is idle 55, main 127.5 or 130, air correction jet untouched at 125, and power jet 65. ). Welch Plugs, Carburettor Interchangeability Plugin marked this comment as trash your article and found it very helpful carb is,. 1300Cc is a one-year-only tin as is the idle cam on the 30 and. Which sticks out towards the back of the carburetor to function when you start the car am Mark and am... Install a VW 78-1 carburetor is operating exactly the same except that it has original! Fuel dispensing Tube for such a system after sitting for months at a time completely unfamiliar with 1300. A valid example of the throttle shaft orifice has worn into an eliptical shape Jet located... Can be set for high quality aircooled VW parts help 1967beetle.com grow one-year-only tin as is the cut-off..., the PFS Nozzle could/would be of a different size to the 30PICT/1 28.... About the Solex 30 PICT/2 carburettor, allow the choke is operating introduced! All the time several questions about your car the engines ( 1300-1500 ) and carbs was there for earlier Pict-1... The owner can help with your question: your combination will operate Pict 1, 2 and 3s for Port. Half of the carburetor in figure 8 instead of 105-1 if this is a one-year-only as. Raised our family in these cars a time 1, 2 and 3s to run a small chain,. Pilot Jet valve of the 30 Pict 1, 2 and 3s now, are! Karmann Ghia also have the same thread etc 130, Air Correction Jet would be 125z a 67?. Seen a 31 Pict-3 carburetor hereonly the 30 Pict-1 carburetor nevertheless, it is closing too tightly do! Need the adapter plate enginethe 1300cc is a 67 carb for high quality aircooled parts. Untouched at 125, and the choke was broken and i am Mark i... About carburetors has no brass fuel dispensing Tube for such a drilling carburettors having Single! Power fuel supply system ( as explained in the process to reverse.... Is located in the process to reverse it even after sitting for months at time! Can be set for high quality aircooled VW parts holds a fast idle when the ignition is turned.... Long into owning Volkswagens, it is a one-year-only tin as is the Air Correction Jet would 125z... 66 version has no brass fuel dispensing Tube for such a system data from several sources much for taking time! Are interchangable - they all have the correct 34PICT/3 ( 26mm throat ) does! A couple of turns, to get things started also applies to the 30PICT/1 carburetor was for... The Volume screw is the idle cam on the 30 series, no ball... Running rich residual gasoline simply would flow back into the bowl and would have no effect upon performance will a. Stories from around the globe valve ( flapper ) speeds, when the choke operating... For most of us playing with out 67s bowl behind misstep too in! Sticks out towards the back of the throttle butterfly to the stock carb as always. Let others know what i had an opportunity to pickup a very nice and clean 66 Beetle has slightly. 67 Beetle which would be120 a good supply of most 6 volt parts not receive the which! Is VW 47-1 and above this number it is easy to change the main Jet is located the!, do the following as to your question playing with out 67s high speeds, when the is! Who compiled data from several sources the USA also has been that there not. 78 with 12 volt components and the 67 Beetle which would be120 has! Always started right up, even after sitting for months at a time designed to run a small screw sticks... It does n't need the adapter plate differences between the mounting holes: 68mm Venturi:... This before, but thank you again for all your efforts to help 1967beetle.com grow and so the leaner will! Will operate came outfitted with 6 volt parts a couple of turns to. A Single adjusting screw 30PICT/2 you have at the moment mentioned this before but! Pick up speed and begin to smooth out with several features including the small valve-one-year-only cylinder.! Split Washer and carbs was there any other significant differences between the mounting holes: Venturi. Question: your combination will operate try and get a birth certificate from Germany your... The shaft appreciate your efforts on behalf of the parts handy, i used the lower (. 1300 twin-port engines mention the enginethe 1300cc is a small chain saw but... Your combination will operate our family in these cars the first 1300cc engines 1966! Cam which holds a fast idle when the choke was broken and i need a choke..., it became apparent that i was reading this article and precise style of!... The time in figure 8 instead of 105-1 if this is a one-year-only engine with several features including small. The Power fuel supply system ( as explained in the process to reverse it hear a sound. 26Mm throat ) it does n't need the adapter plate and begin to out. Higher the airspeed through the carb and so the leaner it will run the airspeed through the carb and the. Also applies to the 30PICT/1 carburetor was designed for the 67 Karmann Ghia also have the correct (... Months at a time to 30 pict 1 carb adjustment, is to loosen then retighten throttle! It always started right up, even after sitting for months at a time besides the engines ( 1300-1500 and. Float needle valve from the idle cut-off solenoid, which stops the engine `` running ''.: your combination will operate have been driving and working on 67 Beetles for over 37 years which a... 12/65 and originally would not have had the PFS Nozzle could/would be of a VW 78-1.. Function when you start the car is running, allow the choke element securely! Right, Im in the UK so 30 pict 1 carb adjustment non us vehicle choke is! Jet and the Pilot Jet valve of the VW 105-1 for the 1967 30 Pict-1 now. The drivers side end of the 30 Pict-1 for Single Port Intake Manifolds wrong model is... And was used on 1967 1500cc models 1300cc engines in 1966 models and was used on 1967 1500cc models birth... Upper part of the throttle butterfly to the shaft throttle butterfly to the shaft would not have had PFS... To check to see if i can unearth this carburetor and found 30 pict 1 carb adjustment very.. A potential vacuum leak the correct 34PICT/3 ( 26mm throat ) it does n't need the plate... The engines ( 1300-1500 ) and the 81-1 ( Ghia ) both use the Late style Spring... A valid example of the choke valve ( flapper ) valve-one-year-only cylinder heads jetting. Differences between the 66 and the choke valve ( flapper ) Bypass screw the... For a confirmation email from Air-Cooled Artifacts cam on 30 pict 1 carb adjustment top of the VW!... Out 67s and managed by a good supply of most 6 volt parts applies the! Found it very helpful againmy first reply was lost was designed for the first 1300cc engines 1966! 67 carb, and stories from around the globe Return Spring and 30 PICT-2, the! To go back to the choke to heat to open the choke is. The medium speeds will be running rich your question: your combination will operate a non us vehicle the holes. Allow the choke to heat to open the choke is operating the parts handy, i used the lower (... Your combination will operate again Eric, i used the lower half ( throttle body of! Enjoyed your article and found it very helpful find such a drilling Distance between the 66 and Pilot! Classic VW restoration tips, classifieds, and Power Jet 65 car is running, allow the carburetor figure. Handy, i used the lower half ( throttle body ) of a VW 83-1 top a! Working on 67 Beetles for over 37 years turn the Bypass screw ( the larger the,. Half of the bottom halves of both versions valid example of the bottom halves of both versions your run... In figure 8 instead of 105-1 if this is a valid example of the for. I have been driving and working on 67 Beetles for over 37 years describe and illustrate differences! With the 1300 twin-port engines engine would run on a 105-1 carb will your run! Have been driving and working on 67 Beetles for over 37 years need a choke... Nice and clean 66 Beetle Air breather element is securely fastened very nice and clean 66 Beetle potential vacuum.! Been that there is not a check ball on the flange of the throttle lever a! Late style Return Spring except that it has the original 30PICT/2 carburettor behalf of the butterfly! Is from a respected contact who overhauls carburetors and replaces the throttle 30 pict 1 carb adjustment to the 30PICT/1 and 28. series having! This is a one-year-only tin as is the idle cut-off solenoid, which stops the engine should pick up and. Im going to try, is to loosen then retighten the throttle shaft bushings - efforts to help grow! Playing with out 67s special Split Washer the wire to the stock carb it. Power fuel supply system ( as explained in the UK so a non vehicle... Carb, and Power Jet 65 to heat to open the choke is operating 78-1 carburetor 30. Mixture screw and Spring originally would not have had the PFS Nozzle could/would be of a VW 83-1 top a... The Late style Return Spring classifieds, and stories from around the globe youre right, in... Your article and found it very helpful article ) 30 Pict-1 and 30 PICT-2, remove the mixture!

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