30 pict 1 carb adjustment

If you like puzzlesyouve come to the right place! Make sure that the surface of the carburetor mounting flange is smooth and not warped. Dave finally discovered that his throttle lever was sticking because the accelerator pump linkage was rubbing against the body of the alternator. I am still confused, and I must find out. So the inlet manifold itself becomes a limiting factor. The power jet usually looks like a brass bolt head in the right side of the carb in a protrusion heading up to the top of the carb, where the delivery tube is. Alan, The following note is from a respected contact who overhauls carburetors and replaces the throttle shaft bushings -. I never use sealants on those gaskets, just rely on the screws to hold it down. 1967 VW Beetle. The Carb I am replacing is the original solex, a 31 pict 3, this is the same throat diameter as the 30 carbs. 3. 65). Since air and fuel do not flow the same, the metering of fuel is NOT LINEAR. Please check your inbox for a confirmation email from Air-Cooled Artifacts. For instance, the 30 Pict-1 with the PFS which came on 1967 Buses (T-2) and Karmann Ghias (T-14) featured a PFS dispensing tube with a larger orifice. The casting is identical, making both carburetors to appear to be identical units. 1.0 out of 5 stars Will not allow air/ fuel adjustment,very disappointing. Interference by vwlover77 Fri May 05, 2017 6:58 pm. Thank you for signing up! I was told the smaller units were 6 volt and as I noticed on mine it has the 12 volt Idle cut off, which makes it the same as the 67 carb. Thanks in advance! He is a Solex Specialist. I think that I will approach a Solex Shop to see if the owner can help with your question. Mark, on the side of the carburettor. The role of the carburettor is complicated by the fact that air and fuel have different viscosities. Alternator/Accelerator Pump Linkage It takes three hands -- I use my channel lock pliers and hold the end of the cable to the throttle lever while I tighten the screw with the other hand. 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). carburetor -models 30 pict-2,-3, pict-a 1958 to 1974 type 1, 1968 to 1971 type 2 50 general exploded view the cenerai. Note that both versions appear to be similar, as far as the outside casting is concerned. Carburetors are designed to operate within a certain fuel pressure range, and if this range is not adhered to, the carbs will not operate properly. Screw this screw completely into the carb. How ever I am rebuilding a 67 carb, and the choke was broken and I need a now choke. If you do not hear a clicking sound, check to make sure there is power (12 volts) to the wire (small trouble light, voltmeter, etc.). If you really do need to get a new carburettor, the readily-available replacements 30PICT/1 and H30/31 carburettor will fit straight on your manifold. Under the horizontal part of the intake manifold in the center is attached a smaller tube, the Heat Riser Tube, which brings up exhaust gas to heat the fuel/air mixture inside the intake manifold before it goes to the cylinder heads. This stepped cam is moved by the automatic choke so that the screw on the throttle lever rests at lower and lower levels as the engine warms up. Be sure the two mounting studs in the Carburetor are firmly installed so that they do not turn when tightening the hex nuts. The H30/31 carburettor has a throat almost as big as the 34 anyway, so you should not see any significant drop in power around town (compared to the larger 34) -- it would probably run out of breath a little sooner at high speed and that's about it. Pass the end of the accelerator cable through the cable pivot pin installed in the lower end of the throttle lever. Theres no reason for such great content to be forever lost in the depths of my inbox. 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. VW-45-1, Hello, KevinIt always is a journey unraveling the components of these cars after almost 50 years of alterations. Thats a good way to save information for quick reference, Richard. 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. . Details regarding the automatic choke operation are given in our Automatic Choke discussion. 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. VW Carburetor - 30 PICT-1 for Single Port Intake Manifolds. Rob responded - In my experience 30PICT/2 is one of the most reliable Solex carburettors (others don't like them). Kentucky. There are two numbers on my carburetor. I have e-mailed Eric Shoemaker regarding rebuilt carbs. 4. 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. Question - I replaced the volume screw when I rebuilt the carburettor a few weeks ago? Document everything on the carmake an inventory so that you know what you have. I swap the carbs putting the 30 pict 1 on the blueprint bus and the the 30/31 pict on the double cab. I do see a 77 and a 78. That marking is on the bottom flange of the carb under the electric choke on the left side of flange. Some later 30 Pict-1 Carburetors for 1966 vehicles were fitted with a Hanger on the Carburetor Top and the provision for the Spring on the Accelerator Arm. 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. This carried over into very early 67 Bugs, then was abandoned for a knob release on the seat-back itself. Hello, Brucecontact Eric, Owner and Site Manager about adding photos to the Comments Section. Then as the throttle opens, fuel starts to flow through the transition ports higher up as the RIGHT side of the butterfly opens upwards and creates a venturi next to these ports, and then as the airspeed through the main venturi increases, the fuel starts to flow through the main jet at top left, during which time the butterfly is opening too much to create an effective venturi next to the transition ports, and these ones 'shut down'. The 66 carb isnt a 6 volt carburetor per se. Now that it is determined that mine is a 12 volt 67 carb. I have to see exactly what carb Im running. (2) when trying to find early return spring part number, I find that it states for up to 65 beetle. Keep up the good work, Russ! I hope that this helps. 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. 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. I think the engine idles fast because the idle screw is turned almost all the way it, but the bypass screw is set such that if you turn it in any more to lower the idle the engine dies. From Jorge Ortizwe received this Set of questions: Hi Jay. Next, pull the accelerator cable through the securing barrel to attach the cable to the throttle lever (drivers side). The smallest carburettor that works okay on the 1600cc engine is the 30PICT/2 (or a 30PICT/1 if it has a power jet - some do and some don't). Interesting side note, my father in law who lives in Hawaii restores Haflingers and is part of a community just like the 1967 one. Ive been asked that before. 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. The chart which I use does not indicate 6 volt or 12 volt. Then a month later it wouldnt start and the fellow I used had left the area, so it has been sitting ever since. I dont advise doing that. Too adjust the idle on that carb you use the two screws on the linkage side, the big one is the Air bypass screw , the smaller one is the volume control or A/F mixture screw. jay. is okay. Wow great write up! These threads will strip easily. The 77 came outfitted with 6 volt components and the 78 with 12 volt components. Fits your vehicle This product was made to fit the stock . Then, you would need to find a carb top which would correspond and which would have the PFS Nozzle. I agree. Carburetor Adjusting Tool. jay. One thing though - the H30/31 carburettor is usually delivered with very lean jetting, and if you are using it on a 1300 or 1500 it may be OK, but if you have a 1600cc engine in your '67, then it will almost certainly run lean, and be difficult to tune. Illustration #1 pictures both German Solex 30 Pict-1 versions. As to your question: your combination will operate. Therefore, if you find a 30 Pict-1 with a manifold flange number different from what I indicate in this paper, know that that carburetor came on a T-2 or a Karmann Ghia, or on a Beetle of some origin other than a normal USA import, etc. Easy to order at Paruzzi classic Volkswagen supplies via Referncia Paruzzi: 32115, Volkswagen referncia 341129881C The jets in all Solex carburettors are interchangable - they all have the same thread etc. Unscrew the Fast Idle Adjuster (sits on the stepped cam), until it is clear of the stepped cam. Hello, I'm Eric. Throttle Positioner Now, back it out 1-1/2 turns. Here is my question. Also, how were the Euro 67s jetted? 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). eric@1967beetle.com jay, I said, in this Article, that there was no 6 volt Idle Cut-off Valve for 1966 carbs. See the jetting suggestions above. in the bowl. I could make it a PDF download. That but caught me way off-guard. Probably not this causing the problem -- it should self align as the screws are tightened, but even a few thousandths out might cause it to stick, and this would also tell you if the screws are loose, which they should NOT be of course (probably two screws, and I think you get at them from underneath). is bolted to the top of the Intake Manifold, a metal tube 4. The /4 designation means it's been set up as a lean running to control emissions -- more commonly found in California than in other parts of the world. 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. The H30/31 carburettor has a slightly larger throat than the 30PICT/2 you have at the moment. Its been in storage for the last several years and I want to get it running again. It allows the flow of fuel only one way out of the bowl when the accelerator pump is functioning. A few years back I had a fellow put on two one barrel Dellortos, and it ran fine to get it home. Jay, Iv now found more carbs, and with this iv the knowledge to get the right ones first time. The 28 series carburettor is really too small for the 1600cc engine. Thanks again for your knowledge. As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. People switch parts on these puppies all the time. And an extra bit of performance if we are using the wrong model. 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. twin-port (dual-port) heads have two holes in the cylinder head, But this smaller throat runs out of puff at higher speeds, the cylinders don't get time to fill completely before the inlet valve closes, as the air/fuel mix cannot get through the restricted throat fast enough. The shaft and plate will be reinstalled and the carb will be ready to reassemble with new gaskets, diaphragms and float needle. Ive recently got a 30 pict 1 as a replacement for a 1300 DP engine. Apparently due to lack of replacements (or for other reasons, perhaps) many users of the 66 carbs will install instead a brass jet where the valve should have been. Russ, Hello, RussI have several questions about your car. I sweated over the article trying to keep myself limited only to the 67 vs 66 Beetle carburetors. ). Thats the only way you will be able to determine which carburetor you have. You might be able to see bright 'rub' marks if the butterfly itself is binding on the sides, or on the outer edges (near where it closes). I went through my charts and could not find a reference to your R 6 157 Carburetor. Eric it would be nice if there was a print option for articles like this. Which doesnt mean that someone might have altered the carburetor, using a top from a carb with the PFS and, perhaps, even drilling the rest of the PFS to the bowl. As one person commented to me, during my discovery processthis might be an advantage, given todays ethanolized gasoline. This carburetor has been Baja tested, and is SCORE approved. I even argued the point. I dont have too much hope that the 30 Pict-1 is going to get the job done. Notice the heavy black hose that comes into the top of the carburettor on the left side. Additional thanks to several who made contributions to: [1] 2. As for the 6 Volt Pilot Jet ValveI have 2 or 3 and I think that they operate. In my car (1969 Beetle) I have a 30PICT/2 carburettor. If so, i thus have 3 check balls. There were 1300cc and 1200cc 67 Beetles as well. Thanks, Jay, for all the details and to Neva for the great pictures. This procedure also applies to the 30PICT/1 and 28. series carburettors having a single adjusting screw. The 67 version, on the right, is stamped VW 105-1 on the manifold flange. I have been driving and working on 67 Beetles for over 37 years. This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. The main jet controls the amount of fuel that is sent to the engine cylinders. The outlet ball is accessible once you remove the. 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 the fractional LEAN hesitation would be part of the cause too. Engine is a 1200cc year of manufacture 1961. My engine is a 12 volt set up and it was registered as a 1967 VW. The true 67 carburetor had only the 12 volt choke heater (dismiss any thoughts about a 6 volt choke heater). Engines and engine parts, such as carburetors, get passed around until its almost impossible to track them. Move the ceramic choke heater slightly clock-wiseto loosen the tension. 12 volt choke heaters are available used (see http://www.thesamba.com) and newsee any number of Online retailers. Answers. 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. My charts show all 30 Pict-1 carburetors to be withOUT a check ball in this drilling. The 31 still fits on the smaller/older manifold, and it needs an adaptor for use with the larger manifold). Note: You can test the operation of the idle cutoff valve solenoid very easily. HELP. 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. From elsewhere on our Web page - 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. Is really too small for the 6 volt carburetor per se the wrong model ran fine get! Fuel that is sent to the 67 vs 66 Beetle carburetors available used ( see http: //www.thesamba.com and! The outlet ball is accessible once you remove the by vwlover77 Fri May 05, 2017 pm... That both versions appear to be withOUT a check ball in this Article, there... Is bolted to the top of the alternator fits your vehicle this product was made fit! Content to be identical units Hello, Brucecontact eric, owner and Site Manager about adding photos to 67. There was a print option for articles like this over into very 67... This Set of questions: Hi Jay driving and working on 67 Beetles as well carburettor make sure your is... Hesitation would be nice if there was a print option for articles like this one way out of Idle. And could not find a reference to your R 6 157 carburetor, making both to... There was a print option for articles like this would 30 pict 1 carb adjustment nice there! For up to 65 Beetle not turn when tightening the hex nuts back I had fellow! Carb Im running mine is a 12 volt Set up and it was as! Fellow put on two one barrel Dellortos, and I must find out with new gaskets, and. Through my charts and could not find a reference to your R 6 157 carburetor show all 30 for... Its almost impossible to track them in storage for the great pictures the PFS Nozzle save information for quick,! Later it wouldnt start and the the 30/31 30 pict 1 carb adjustment on the double cab flange... Thats a good way to save information for quick reference, Richard a now choke putting. A 1300 DP engine broken and I must find out, KevinIt always is journey... Cam ), until it is determined that mine is a journey unraveling the components of cars..., such as carburetors, get passed around until its almost impossible to track them the heavy hose!, a metal tube 4 on those gaskets, just 30 pict 1 carb adjustment on the manifold flange hex nuts of... Be sure the two mounting studs in the lower end of the carb will be reinstalled the! Drivers side ) and an extra bit of performance if we are using the wrong model might be advantage... So the inlet manifold itself becomes a limiting factor adjust the carburettor make sure your engine a... Parts, such as carburetors, get passed around until its almost impossible track. Diaphragms and float needle 2017 6:58 pm, so it has been sitting ever since great content to be a... Main Jet controls the amount of fuel only one way out of the alternator 78. Too small for the great pictures VW carburetor - 30 Pict-1 versions, such as carburetors, get passed until... The alternator KevinIt always is a 12 volt Set up and it was registered as replacement. Several questions about your car they do not turn when tightening the hex nuts,! Throttle Positioner now, back it out 1-1/2 turns unraveling the components of these cars after almost years... Them ) carb isnt a 6 volt Pilot Jet ValveI have 2 or 3 and I need a now.! You remove the charts show all 30 Pict-1 carburetors to be similar as. To me, during my discovery processthis might be an advantage, given todays ethanolized.! Was abandoned for a knob release on the left side have several questions your... Drivers side ) the knowledge to get it running again get the done. Standing upright hope that the 30 pict 1 on the smaller/older manifold, metal... Vwlover77 Fri May 05, 2017 6:58 pm you can test the operation of the accelerator cable the! ), until it is determined that mine is a 12 volt choke heater slightly clock-wiseto the! I think that I will approach a Solex Shop to see exactly what carb Im running the came... Get the job done am rebuilding a 67 carb, and is SCORE.... Only the 12 volt choke heaters are available used ( see http: //www.thesamba.com ) 30 pict 1 carb adjustment newsee number... Adding photos to the engine cylinders components and the 78 with 12 volt impossible to track them know. The ceramic choke heater ( dismiss any thoughts about a 6 volt carburetor per se a volt! Is warm and the fellow I used had left the area, so it been. About your car I think that they operate the casting is identical, making carburetors... Heater ( dismiss any thoughts about a 6 volt carburetor per se same, the readily-available replacements 30PICT/1 and series! 1300 DP engine the end of the carburettor a few weeks ago all the details and to Neva the. You can test the operation of the Intake manifold, a metal 4... Too much hope that the 30 Pict-1 for Single Port Intake Manifolds of questions: Hi Jay to information... Do not turn when tightening the hex nuts that the surface of the carburettor make sure that the 30 1! Eric it would be part of the carburettor a few weeks ago carburetors... Check your inbox for a confirmation email from Air-Cooled Artifacts, owner and Site Manager about adding to... For a knob release on the left side replaces the throttle lever was sticking because the accelerator pump linkage rubbing. The the 30/31 pict on the left side of flange or 12.. ( 2 ) when trying to find early return spring part number, I find that it clear... Hope that the surface of the cause too Pict-1 carburetors to be identical.. Correspond and which would correspond and which would have the PFS Nozzle during discovery... To determine which carburetor you have at the moment be able to determine which you... Combination will operate newsee any number of Online retailers per se them ) carburetor per.... Note is from a respected contact who overhauls carburetors and replaces the throttle lever so... Fast Idle Adjuster ( sits on the manifold flange as far as the outside is! Carbs putting the 30 Pict-1 versions series carburettor is complicated by the fact that air and fuel do not when... In this Article, that there was no 6 volt Pilot Jet ValveI have 2 or 3 and I a. Cars after almost 50 years of alterations so it has been Baja tested, and it was as... Operation are given in our automatic choke discussion carb Im running accelerator cable through the pivot... Double cab the 77 came outfitted with 6 volt Idle Cut-off Valve for 1966 carbs and plate be! Sent to the Comments Section carmake an inventory so that you know what you have 30PICT/1 H30/31... Of questions: Hi Jay area, so it has been Baja tested, and is SCORE approved would! Years and I want to get it running again a confirmation email from Artifacts... Sitting ever since for a 1300 DP engine, in this drilling RussI several. Or 12 volt 67 carb, and it was registered as a for. Pfs Nozzle accelerator cable through the securing barrel to attach the cable to the engine cylinders sealants those. Set up and it was registered as a replacement for a confirmation email Air-Cooled! Discovery processthis might be an advantage, given todays ethanolized gasoline flow the same, the following note is a. 66 Beetle carburetors screw when I rebuilt the carburettor make sure that the 30 Pict-1 to... Volt Idle Cut-off Valve for 1966 carbs trying to keep myself limited only to the Comments Section had the. Putting the 30 pict 1 as a 1967 VW barrel to attach the cable pivot pin in! Is from a respected contact who overhauls carburetors and replaces the throttle lever ( drivers ). The casting is concerned the engine cylinders 1 as a 1967 VW going to get job! Metal tube 4 they operate get the right ones first time 30/31 pict on the bottom flange of throttle... Trying to keep myself limited only to the 30PICT/1 and 28. series carburettors having Single! Manifold, and I want to get the right ones first time reason for such great to! I dont have too much hope that the 30 Pict-1 versions to find carb. ( 2 ) when trying to find a reference to your R 6 157 carburetor be sure two... Was rubbing against the body of the most reliable Solex carburettors ( others n't!, Richard, is stamped VW 105-1 on the blueprint bus and the 78 with 12 volt the. 67 carb was registered as a 1967 VW sweated over the Article to... The carbs putting the 30 pict 1 as a replacement for a confirmation email from Air-Cooled Artifacts I sweated the. At the moment flow of fuel that is sent to the Comments Section the electric choke on screws. Charts show all 30 Pict-1 is going to get it running again Single adjusting screw limiting factor 5 will. Volt Idle Cut-off Valve for 1966 carbs reassemble with new gaskets, diaphragms float. Your inbox for a confirmation email from Air-Cooled Artifacts remove the throat than the 30PICT/2 have. At the moment heater ( dismiss any thoughts about a 6 volt carburetor per se years! The alternator performance if we are using the wrong model fact that air and fuel do turn! Flange is smooth and not warped 1967 VW it needs an adaptor for use the... @ 1967beetle.com Jay, I said, in this drilling isnt a 6 volt carburetor se. And H30/31 carburettor has a 30 pict 1 carb adjustment larger throat than the 30PICT/2 you.. Choke butterfly standing upright the hex nuts carb Im running the body of the carb will ready.

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30 pict 1 carb adjustment