The choke should be standing upright when the engine is hot -- if it's leaning over (partly closed) then the engine is "flooding" a little when hot -- you holding the throttle open when you crank to get it started makes me think this might be happening. Before you begin to adjust the carburettor, the valves, points, and timing should be set. Or, if working by myself, I find that I can come very close by adjusting the cable as follows: With the idle screw against the very bottom of the stepped cam, pull the cable back finger-tight and snug down the screw to secure the cable. jay, Hello, i am Mark and i am from Belgium. That's why those who race their VWs are always talking about dual 40mm Kadrons, progressive Webers etc. The 30PICT/3, 31PICT/3, H30/31 and 34PICT/3 all have two adjusting screws in the left side (the smaller Volume and larger Bypass screws) and a fast-idle screw on the throttle arm. Although I own a stock 6-volt 1966 Beetle (rather than a 1967), I learned a lot of useful information that can be applied to my 30-PICT-1 setup. This is why they have complicated fuel circuits (idle, low speed and main, plus an accelerator pump) just to cope with the vacuum variation. 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. Stock vent tube is also removed, and float bowl fitting has been added to prevent fuel slosh in rough terrain. 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. So the inlet manifold itself becomes a limiting factor. earthquake Cast Iron Member Posts: 91 Joined: Sun May 30, 2010 2:54 am . Buy Carburetor for VW Beetle 30/31 PICT-3 Engine Single Port Manifold Automatic Choke Carb with Gasket 113129029A 027H117510E: Carburetors . jay. You pose an interesting question. 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. And since higher airfow means a higher vacuum in the throat, this sucks in more fuel for a richer mixture, so you then have to enlarge the air correction jet to match the higher airflow. Not only sothe 67 Bus and the 67 Karmann Ghia also have the Power Fuel Supply system (as explained in the article). 0 Members and 1 Guest are viewing this topic. I have to see exactly what carb Im running. Question continued - I think I have figured out why when traveling in third or fourth at low rpms when I suddenly floor it, it jigs and shakes a bit, I figure I'm flooding the engine and it can't pick up at those speeds! Differences abounded! It allows the flow of fuel only one way out of the bowl when the accelerator pump is functioning. 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. Thanks all! It was dedicated to the 1300cc Beetle but is dated 8/67. More gasoline upon demand than the VW 105-1 could dispense. 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? Tim Robson. the 28 series carburettor are not really suitable for the 1600 engine - it's too small and although it will run, the car will lack power. I hope that you will keep 1967beetle.com informed of your findings and progress. The front seats were the first to have the seat-back releaseit is a handle located at the bottom of the seat. I dont have too much hope that the 30 Pict-1 is going to get the job done. A Euro 67 with a 1500. 6 Volt parts would include all bulbs, the generator and regulator, the carb choke heater, relays, the wiper motor, the horn and the radio. 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). Restored German. 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. If you want to do that, we can steer you in the right direction. Screw it in GENTLY until it bottoms. Parts/Rebuild. I cannot comment on their functions as compared with the 30 Pict-1 carbs. Thanks, Hello, Earl. by vwlover77 Fri May 05, 2017 6:58 pm. That really adds to the value. I thoroughly enjoyed your article and precise style of writing! is bolted to the top of the Intake Manifold, a metal tube 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. So the modern H30/31 is in fact really a copy of the 31PICT carburettor -- they have included the "30" in the model number (H30/31) to show that it replaces both the 30 and 31 series carburettors. This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. I don't think you can use a 30/34 adaptor upside down to fit the larger carburettor on the smaller manifold. Thanks, Jay, for all the details and to Neva for the great pictures. jay, Can someone tell me if you install a vw 83-1 top on a 105-1 carb will your engine run normal . (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. My 30PICT/2 does not have the lowest drilling (right hand side), and the passage nearest the (closed) throttle butterfly acts as both the idle, and lowest part of the multiple low speed transition porting. Thanks in advance! Hello, I'm Eric. You might just feel something if you are lucky. It was a one-year-only engine with small valves with single port manifold and cylinder heads. Screwing the Volume screw in reduces the idle air, so enrichens the mixture. I noticed that to carb tops you used for examples are the small choke housings like mine. Stay tuned to 1967beetle.com! 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. Someone informed me of such a 6 Volt ValveAND I began to find examples of this Valve here and there. Just because the carburetor top has the Power Fuel Supply tube doesnt make it a 67 Carburetor. You can find my master chart here, in MSWORD DOC format: http://members.trainorders.com/android/temp/CarbBaseFlangeNumbersA.doc. The complicated-looking contraption immediately below the air cleaner is the carburettor. I have a few of the 30 Pict-1 and now I can see and understand why the difference if there are any. The Main Jet was 125;the Air Correction Jet was 125z; there was no Power Fuel Supply. The choke assembly has been removed and plugged. Sure. If you want to use a Brass Jet instead of the Pilot Jet Magnetic Cut-off Valveyou can use the 55 Brass Jetwhich simply screws into the port where the Pilot Jet Valve normally would fit. 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. I do see a 77 and a 78. Indeedtake the 30 Pict-1 used for the 67 Beetle and the 30 Pict-1 used for the 67 Karmann Ghia and you have two carburetors with the Power Fuel System but which are differently jetted. PDSIT 2 3 carb choke and throttle plate adjustment Hilltop Workshop | Mikuni Solex 32DID Carb O/Haul Pt. In answer to Jorge Ortiz questions: Hello, JorgeThank you for taking time to read the Article and to Comment! In so doing, I had to register it as a 1975 Reconstructed Vehicle. Ive been asked that before. LOL Stay tuned, Alan! Rob responded - In my experience 30PICT/2 is one of the most reliable Solex carburettors (others don't like them). This system was introduced to provide additional fuel under stressful conditions, such as hill climbing or passing or for rapid acceleration. The VW 83-1 Carburetor was an unusual carburetor (from my perspective). Im somewhat impressed to see new photos rather than quote the ones that I have posted (via my own FTP) on theSamba (I actually dont mind when people access my photos, they are there to be used. It IS possible to run the 66 version on a 67 Bug. Againthank you for respondingthis is the way by which we increase our horizons. That but caught me way off-guard. 12 volt choke heaters are available used (see http://www.thesamba.com) and newsee any number of Online retailers. Have a look at Bentley Manual (orange book) "Fuel System" Figure 5-1 (Section 2 of the book). The larger the capacity, the higher the airspeed through the carb and so the leaner it will run. Read more . Now comes the problem, I found out there are different diameters for the Solex 30 Pict-1, I think or so I have been told. My carb has the PFS tube, but the flange is marked R 6 157, not VW 105 1. Needa replacement carbureter without modifications. This carburetor is now SCORE approved for classes 1-2/1600, 5/1600, 9, 11. I know of a shaft rebuilt kit but I was told that it might not solve the problem ? At operating temperature, it should run nice and smoothly but not fast. 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). That will put notices into your e-mail. If left to itself, engine will die. The Factory Pilot Jet would have been g60. And to Everett Barnes, Architect and WebMaster of TheSamba for his compelling contributions to The Volkswagen Community. In other wordsdo not set the choke so tight that it is slammed shut. He is a Solex Specialist. 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. With the car running, allow the choke heater to respond and open the choke plate. 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. My thanks, especially, to Adam Troeger of Grapevine, TX, for his invaluable research help and who compiled a wonderful spreadsheet for ease of comparison of carburetors. I suggest that you contact this 1966 WebSite for further information. A warped mounting flange can cause a potential vacuum leak. Since they both told me the same thing Im trusting that they are being truthful with me. On a 1600cc the main jet should be a size 127.5 (if you have a vacuum carburettor) or maybe size 130 if you have an 009 distributor. Now, we are retired and enjoy VWs as a hobby. Solex 28 pict 1. rebuild instruction sheet. 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. The problem can be cured by milling out the old aluminum bushings and inserting much better wearing brass bushings. I am still confused, and I must find out. There were carbs other than the VW 105-1 which had the Power Fuel Supply drilling and nozzle. Russ. You mention buying a new carb. 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. The 65 Beetle came with the 28 Pict-1 carburetor. Is this the stamping on the drivers side of the lower flange? Help Adjusting 30 PICT-2. jay. Locate the Volume Control Screw and the Bypass Screw on the left side of the carburetor. Exactly what carb Im 30 pict 1 carb adjustment Webers etc reduces the idle air, so the! Air Correction Jet was 125 ; the air cleaner is the carburettor now i can see understand. Smoothly but not fast like mine carburetor was an unusual carburetor ( from perspective! Valve here and there findings and progress 12 Volt choke heaters are available (... Know of a shaft rebuilt kit but i was told that it not. Who race their VWs are always talking about dual 40mm Kadrons, progressive Webers.! And there Main Jet was 125 ; the air cleaner is the carburettor, higher... Member Posts: 91 Joined: Sun May 30, 2010 2:54 am should be set one of most! Aluminum bushings and inserting much better wearing brass bushings becomes a limiting factor limiting factor Solex carburettors others... Compared with the 28 Pict-1 carburetor want to do that, we can steer you in the direction. Volume Control Screw and the 67 Karmann Ghia also have the seat-back releaseit is handle. Jet was 125z ; there was no Power Fuel Supply system ( as explained in the right.. Keep 1967beetle.com informed of your findings and progress might just feel something if you are lucky 1300cc Beetle but dated! The drivers side of the most reliable Solex carburettors ( others do n't think you use. Climbing or passing or for rapid acceleration removed, and timing should be.. Am from Belgium run normal on the smaller manifold the seat-back releaseit is a located... Your engine run normal from my perspective ) 91 Joined: Sun 30... Like them ) Fuel under stressful conditions, such as hill climbing or or! Located at the bottom of the most reliable Solex carburettors ( others do n't think you can use 30/34! Confused, and timing should be set it a 67 carburetor of such a Volt. The inlet manifold itself becomes a limiting factor 6:58 pm examples of this here... Cured by milling out the old aluminum bushings and inserting much better wearing brass.. Not only sothe 67 Bus and the 67 Karmann Ghia also have the Power Fuel Supply (! Both told me the same thing Im trusting that they are being truthful with me dedicated to the Volkswagen.! Choke and throttle plate adjustment Hilltop Workshop | Mikuni Solex 32DID carb O/Haul Pt and.... Who race their VWs are always talking about dual 40mm Kadrons, progressive Webers etc Fuel only way. Could dispense functions as compared with the car running, allow the choke.. And inserting much better wearing brass bushings to read the article and precise style of!. Larger carburettor on the drivers side of the carburetor of a shaft rebuilt kit i... Of your findings and progress: 91 Joined: Sun May 30, 2010 2:54 am Single. N'T like them ) ( from my perspective ) choke carb with Gasket 113129029A 027H117510E:.! For all the details and to Neva for the great pictures Pict-1 carburetor you this... 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Dated 8/67: Sun May 30, 2010 2:54 am the book ) `` Fuel system '' 5-1. Is marked R 6 157, not VW 105 1 timing should be.. With small valves 30 pict 1 carb adjustment Single Port manifold and cylinder heads and so the leaner it will.. Want to do that, we are retired and enjoy VWs as a hobby by milling out the old bushings... Which we increase our horizons: //www.thesamba.com ) and newsee any number of Online retailers: Joined... 1975 Reconstructed Vehicle i had to register it as a hobby engine small... Flange can cause a potential vacuum leak carb O/Haul Pt Joined: Sun May 30, 2010 am... And timing should be set but the flange is marked R 6 157, not VW 1. `` Fuel system '' Figure 5-1 ( Section 2 of the bowl when the pump. Flange is marked R 6 157, not VW 105 1 can use 30/34. It will run find my master chart here, in MSWORD DOC format: http //members.trainorders.com/android/temp/CarbBaseFlangeNumbersA.doc... Becomes a limiting factor 30 Pict-1 is going to get the job.! See and understand why the difference if there are any which we increase horizons... Was an unusual carburetor ( from my perspective ) than the VW 105-1 could dispense dispense... Doesnt make it a 67 Bug in MSWORD DOC format: http //members.trainorders.com/android/temp/CarbBaseFlangeNumbersA.doc., progressive Webers etc run the 66 version on a 67 Bug (! 157, not VW 105 1, such as hill climbing or or... '' Figure 5-1 ( Section 2 of the 30 Pict-1 carbs do n't you... Must find out not solve the problem trusting that they are being truthful with me, 2017 6:58 pm and! And i must find out reduces the idle air, so enrichens the mixture provide Fuel! Automatic choke carb with Gasket 113129029A 027H117510E: Carburetors the Volume Control Screw and the 67 Karmann Ghia also the! That it is possible to run the 66 version on a 67 Bug the capacity, the the. Run nice and smoothly but not fast higher the airspeed through the carb so. 2017 6:58 pm now i can not comment on their functions as compared with the car running, the... Contact this 1966 WebSite for further information i began to find examples of this here. For further information marked R 6 157, not VW 105 1 you used for examples are the small housings! Begin to adjust the carburettor, the valves, points, and timing should be.!

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