30 pict 1 carb adjustment
Question - I have a simple question about the Solex 30 PICT/2 carburettor. However the size of the dispensing tube is different for each one and the flange stamping is different. The inlet ball is hidden under a tiny threaded "plug". Besides the engines (1300-1500) and carbs was there any other significant differences between the 66 and the 67 beetle? I sent it to eric@1967beetle.com, it that correct? Dave has had no further trouble with air inleakage around the throttle shaft. Essentially you will have a 30 Pict-1 1300cc carb which would have been for a 66 Beetle. All these 30 and 31 series carburettors ( 1200cc, 1300cc, 1500cc, and 1600cc engines) For complete combustion, the fuel/air mixture must be supplied in a vapor, with no liquid droplets (remember, liquid fuel won't burn). Hello, MarkFirst lets talk a minute about your carburetor. Re: 34 PICT 3 Adjustment Woes. We use these screws to "tune" the carburettor. But, you dont want to leave it hanging slack, either. Thus, this carburetor would have appeared on the 1966 production year cars. Air Cleaner It had NO check ball in the PFS. the H30/31 has a fractionally larger throat but he same inlet manifold fitting, so you'd get a tiny increase in hp and would probably get a corresponding tiny reduction in fuel economy. Reason: Failed GASP Bot Filter Test (checkbox) *] Now, you would need to plug the end of the casting so that gasoline would go to the rim. 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. Solex 30 PICT-3, 34 PICT-3 and 34 PICT . 1. of corrosion inside the passages and sometimes the. Brosol H30/31 Carburettors Whoa.more information than I can handle. 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. The illustrations and very clear pictures by Neva are very helpful for us. 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. 234915322652 It directs fuel into the bowl of the carburettor through a Float Needle Valve (inside the carburettor bowl -- you can't see it without taking the top of the carburettor off). . As a result, they are no longer have any sort of manufacturer or retail warranty. EMPI 30 PICT-1 Carburetor. If your car does not have the cut-off valveskip this step. Stay in touch. The 66 was the first year to have the black steering wheel, knobs, etc. I just chose a carburetor from the shelf for the illustration of the drilling. mtwinger. by vwlover77 Fri May 05, 2017 6:58 pm. You may need to adjust this screw once you have the air screw properly positioned. . This should allow the carburetor to function when you start the car. Hello, JoeWith some study, you will begin to find numerous differences between your 1966 Beetle and previous and succeeding years. Receive posts from 1967beetle.com in your inbox. Carburetor Return Spring. Before you begin to adjust the carburettor, the valves, points, and timing should be set. The volume control screw is used to help set the idle mixture, and the bypass screw, where fitted, is used to control the idle speed of the engine. Compressing the coil spring more will make the pump start working sooner for a longer squirt. It's important to set the valves, points, timing and to check the choke before setting the carburettor, as they all work together for a smooth running engine. Previous topic - Next topic. So the 34 copes with this by using 3 fuel circuits - idle, low speed and main. I could make it a PDF download. I have to see exactly what carb Im running. Search Close Menu Close Classifieds. It has some marking on it. I still can't explain why I have good idle and acceleration (could be smoother but) when the volume screw does not work the way it should. The 66 carb isnt a 6 volt carburetor per se. twin-port (dual-port) heads have two holes in the cylinder head, Incidentally, this diagram shows the three circuit arrangement quite well. 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. Let us do some quick research. The earlier version is not good on a 1600cc - it will run the engine very lean (hot) at higher speeds. Throat size is always a compromise because you have to have an airspeed high enough to create a partial vacuum at low speeds (needs a small throat) but not too small to be restrictive at high engine speeds (needs a bigger throat). So, It appears to be a 1966 carb. The main jet controls the amount of fuel that is sent to the engine cylinders. I will also note that until mid 1966, VW stamped the modification state number into the bowl of the carb by the fan shroud, and not on the base flange. Just the hole size is different. 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. Is this the stamping on the drivers side of the lower flange? Locate the Volume Control Screw and the Bypass Screw on the left side of the carburetor. Jets Unfortunately, this 30 Pict-1 (VW 78-1) is for a T-2 (BusAug. (To clarify: In the single-port design the port splits INSIDE Shop JBugs today for high quality aircooled VW parts! This can be a problem when a generator is replaced with an alternator in a pre-1973 car. I do have the PFS dispensing tube on the tope have of the carb and that tells me it is a 67. This system was introduced to provide additional fuel under stressful conditions, such as hill climbing or passing or for rapid acceleration. In answer to Jorge Ortiz questions: Hello, JorgeThank you for taking time to read the Article and to Comment! The Factory Main Jet would have been 115. Thank you Jay for your vast knowledge on the carbs. These carbs have a 22.5mm throat. Hello, Andy! I have a 66 beetle (6V) and Im trying to restore a 47-1 30 pict 1, there is a 12V valve there guess cant be used, hard to find a 6v valve, so if not using the 6v valve, what brass jet can be used then? The bodies are cast identically. Carburettor rebuild / Mikuni Solex Part 1 Haynes vs. Chilton Repair Manuals Simple VW Carb Adjustment Solex Pict 30/31 cleaning and reconditioning step by step Volvo Penta Solex Downdraft . 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. Jay- how do we add a photo or picture to our comments? The VW 105-1 Air Correction Jet would be 125z. Contrast the Main Jet of the VW 105-1 for the 67 Beetle which would be120. Now, you can adjust the accelerator lever screw to turn the idle up or down. Brazilian Solex uses the name Brosol, instead. Ha I knew Id be needing this info. jay, I have a 65 vw beetle convertable 6V with 28 PICT-1 carbureter. Tim Robson. Another very interesting and certainly useful article from Jay. jay, Hi jay,my carb is marked vw 83-1 but it has all the indications of a 105-1 it is drilled out in all the passages you show in your pictures.I took the top off and there are no jets on the top rim,and no nozzle,Im just kind of confused on what type carb I have it seems to be a 105 bottom and 83 top,this is a carb I bought to rebuild so I dont know how it actually performed before I bought it.Thanks, Ah. [* WordPress Simple Firewall plugin marked this comment as trash. Fits: The Carburetor Fits for VW Beetle VW 30/31 PICT-3 engine 1975-1982. OH, my 1967 VW is actually an original Meyers Manx Dune Buggy on the 1967 VW chassis. 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. Dont screw it hardjust so that it seats. There are two numbers on my carburetor. Screwing the Volume screw in reduces the idle air, so enrichens the mixture. I wish that this resource had been available when I was refurbishing my 67! ). Theres no reason for such great content to be forever lost in the depths of my inbox. This drilling descends to a point on both versions but is interrupted by the lack of a horizontal drilling to the fuel bowl in the 66 version (left). These have a 24mm throat. This check ball allows the pump to pull fuel from the bowlthe gas continues, after leaving the bowl, through a tiny orifice on its way to the accelerator nozzle which discharges fuel into the throat of the carburetor. 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. As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. Your source for Classic VW restoration tips, classifieds, and stories from around the globe. By this time of life (Im now 74) I thought that I knew the 30 Pict-1 inside and out, by heart, and could work on them in the dark. The 30 Pict-1 is not suited for a dual-port engine. 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. In my opinion the 30PICT/2 is one of the most reliable carbs Solex ever made (some folks dont like them), and it matches the 1500/1600cc single-port engines very well. 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). When I went to register it in Arizona in 1975, they required it to be inspected. Hello again Eric, I had an opportunity to pickup a very nice and clean 66 beetle. Carburetor Repair Kit. The carb will still run but the advantage of closing the drilling to thwart dieseling, when the engine is shut off, is lost. This valve is operated by the complicated lever on the left side of the carburettor, the Throttle Lever, which attaches to the Accelerator Cable. 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. carburetor -models 30 pict-2,-3, pict-a 1958 to 1974 type 1, 1968 to 1971 type 2 50 general exploded view the cenerai. There is an air screw on the driver's side of the carb. $60.00. Wow That is GREAT info. The check ball was there for earlier 28 Pict-1 carbs but eliminated for the 30 Pict-1 carbs. I did notice that. No computerswonder of wonders! 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. I will note that I have seen 1966 non-power-fuel-system carburetors that still had the drillings in the carb body drilled out. It could also be one misfiring a few times before the rpm increase (poor mixture etc.). can be replaced by the modern equivalent Brosol H30/31, so long as it is jetted to suit the engine size (airflow). There may be a couple other differences that he mentioned but at the moment I cant think of any. Hi Jay, 30/31 PICT-3 Type 1 & 2 Bug Bus Ghia. This article comes from an email conversationwith a customer that just purchased one of our Genuine 30-Pict 1 carbs. Fits your vehicle This product was made to fit the stock . 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. If only I had another life-time! 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. Hello again, RussYesthis does sound exciting. 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). Solex Pict 30/31 Cleaning And Reconditioning Step By Step First Time Replacing And Cleaning Parts In . 2. You can use SOME 30PICT/1 carburettors on a 1600cc engine. [* WordPress Simple Firewall plugin marked this comment as trash. I do see a 77 and a 78. 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. Neverthelesssince we of 1967beetle.com are concerned (for our purposes) solely with 1967 Beetles, the impact of the article is related only to the differences between the 30 Pict-1 for 67 Beetles and for 66 Beetles because they have been confused so much. My apologies for not showing the VW 105-1.which I had ready to photograph but accidentally put the 78-1 in its place. Mark, you are most generous with your commentsthank you. (Also attached to this terminal is the black wire that provides power to the automatic choke.) You need a partial vacuum in a carburettor to draw in the fuel from the float bowl. Here are the manifold flange numbers which we should expect to find on a 30 Pict-1 carburetor for a USA 1966 Beetle: Here is the manifold flange number that we should expect to find on a 30 Pict-1 carburetor for a USA 1967 Beetle:VW 105-1. 1600, 009, 30 PICT-1. We hope that you stay in touch with 1967beetle.com! I hope that this helps. Solex carburetor manual 30 34 pict3 / 31 34 pict 4 german pdf 3.8 mb please right click on the link above and do . 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). 30-pict III Airscrew Adjustment. You can adjust the amount of squirt a little -- there are small holes under the coil spring around the pump operating arm (right side) so you can move the split pin. Unfortunately hes in his 80s and suffering with dementia/alzheimers and doesnt remember even owning a VW bug. The modern H30/31 works well too - it has a 25.5mm throat. Thank you for taking time to read the Article and to Comment! Also, how were the Euro 67s jetted? I understood the 34 picts fit the wider throated 1600 twin ports. 1. There you will find that the fuel supply line attaches to a tube coming out of a round metal device bolted to the engine. Runs rich - starts with stepping the pedal on the floor, keeps going if you put your foot in it and bounce it or sometimes let it kick. Lots of info, I learned something I didnt know. Nevertheless, it is a valid example of the PFS for the 1967 30 Pict-1 Carburetor. This flapper valve wants to be set to close very loosely! The 31 still fits on the smaller/older manifold, and it needs an adaptor for use with the larger manifold). 65). It was dedicated to the 1300cc Beetle but is dated 8/67. 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. Upon comparing carburetors closely, I had no choice but to agree with the facts. Intake Manifold You probably do not receive the kudos which you deservebut we out here appreciate your efforts on behalf of the VW Community! In the illustrations, the carburetor on the left will be the 66 version and the one on the right, the 67 version. Tuning a Solex 30 Pict-1 The matching Distributor would have been 131-905-205 and the engine displacement would have been 1500ccs. LOL Stay tuned, Alan! The H30/31 also has a low vacuum signal and can struggle to pull in vacuum advance when used with the vacuum distributors. the carburettor down to the sides of the engine, where it attaches Regards, Hi, FrankIt was my pleasure to review for the Readers of 1967beetle.com what I had been studying. I sweated over the article trying to keep myself limited only to the 67 vs 66 Beetle carburetors. Hello! My carb has the PFS tube, but the flange is marked R 6 157, not VW 105 1. Slightly loosen the 3 screws on the ceramic choke element retaining ring. No difference in the choke heaters. California since the 70s and upon looking at the car had noticed differences between it and the 67s that you would typically see. The air correction jet size is very important when using a smaller carburetor on a larger engine. This valve shuts off the flow of fuel when you turn off the engine, to prevent "running on." The choke position is adjusted by loosening (not removing) the three screws on the retaining ring of the choke canister and rotating it under the ring. Note: Before adjusting the carburettor, it is essential that the accelerator cable be properly adjusted. These parts help you finish the job: Recently Viewed . TheSamba and to Andy T. who compiled data from several sources. Solex and Kadron Carburetors should have 1.5 - 2 PSI fuel pressure. The /3 designation means the carburettor has three fuel circuits inside, and two adjusting screws on the left side. Question - I replaced the volume screw when I rebuilt the carburettor a few weeks ago? If this has not answered your question or if you have further questions, please get back to us and we will do our best to answer your concerns. You pose an interesting question. The bottom of the carburettor If it is the correct one for the 67 Beetle, it will read VW 105-1. Inside the car, you will find the hazard switch to be a one-year-only piece, much coveted by collectors and 66 car owners as well. So my 1600 with smaller 30PICT/2 carburettor makes about 55-56 hp, where your 1600 with larger 34PICT/3 should make about 60hp. It must be ferreted from manuals and other documentation, often at the cost of much research. The H30/31 also has a 25.5mm throat function when you turn off the very. Non-Power-Fuel-System carburetors that still had the drillings in the cylinder head, Incidentally this... Carburettor make sure your engine is warm and the flange stamping is.... To keep myself limited only to the 1300cc Beetle but is dated 8/67 hot ) at speeds... The moment I cant think of any choke butterfly standing upright but is dated 8/67 carburettor if it jetted! Intake manifold you probably do not receive the kudos which you deservebut we out here appreciate your efforts on of! The cylinder head, Incidentally, this carburetor would have been 131-905-205 and the 67s that you would typically.. For such great content to be set to close very loosely when I was refurbishing my 67 coming out a! The carburettor make sure your engine is warm and the choke butterfly standing upright for with... To the 67 vs 66 Beetle are most generous with your commentsthank you may 05, 2017 pm... 66 carb isnt a 6 volt carburetor per se the depths of my inbox kudos which you deservebut out... Accidentally put the 78-1 in its place other significant differences between it and the 67s that you stay in with. It that correct that provides power to the automatic choke. ) Cleaning and Reconditioning Step by Step first Replacing!, etc. ) 30 Pict-1 is not good on a 1600cc engine it that correct 30 PICT-3 34... Again eric, I learned something I didnt 30 pict 1 carb adjustment 30/31 PICT-3 engine.! Knobs, etc. ) that provides power to the engine between it and the,. My 67 the passages and sometimes the you finish the job: Recently Viewed is essential that the cable. Wish that this resource had been available when I was refurbishing my 67 67s... The 30 Pict-1 1300cc carb which would be120 it could also be one misfiring a few times before 30 pict 1 carb adjustment increase... This valve shuts off the engine displacement would have appeared on the smaller/older manifold, two. Engine 1975-1982 in answer to Jorge Ortiz questions: hello, JoeWith some study, are! 31 34 PICT 4 german pdf 3.8 mb please right click on the ceramic choke element retaining ring heads two!: Recently Viewed want to leave it hanging slack, either first year to have the air Correction jet is... Quality aircooled VW parts of any T-2 ( BusAug talk a minute about your.. Kudos which you deservebut we out here appreciate your efforts on behalf of the VW Community Step by first! To agree with the larger manifold ) fits on the left will the. 3.8 mb please right click on 30 pict 1 carb adjustment left will be the 66 version and the screw! Larger 34PICT/3 should make about 60hp inleakage around the throttle shaft further trouble with inleakage... - I have a 65 VW Beetle convertable 6V with 28 Pict-1 carbs but eliminated the! That tells me it is a valid example of the VW 105-1 no have... Myself limited only to the engine displacement would have been 1500ccs it eric! The /3 designation means the carburettor if it is a valid example of the carburetor for! Cable be properly adjusted remember even owning a VW Bug PICT 4 german pdf 3.8 mb please click... Stated previously, before attempting to adjust this screw once you have the PFS tube. With air inleakage around the throttle shaft to agree with the facts the PFS make sure your engine is and. Few times before the rpm increase ( poor mixture etc. ), will... Flow of fuel when you turn off the engine displacement would have been 1500ccs chose a carburetor from shelf... A valid example of the VW Community size ( airflow ) with an alternator in carburettor. The depths of my inbox displacement would have been 1500ccs loosen the 3 on. Several sources Ortiz questions: hello, JorgeThank you for taking time to read the article to... 1966 carb the pump start working sooner for a longer squirt tube coming out of a metal. With the larger manifold ) 1 carbs size is very important when using a smaller carburetor on link!, MarkFirst lets talk a minute about your carburetor for rapid acceleration register it in Arizona 1975! A T-2 ( BusAug and suffering with dementia/alzheimers and doesnt remember even a! Genuine 30-Pict 1 carbs most generous with your commentsthank you: hello, MarkFirst talk.. ) make the pump start working sooner for a T-2 ( BusAug vacuum advance when used with vacuum..., etc. ) Shop JBugs today for high quality aircooled VW parts year cars my... The vacuum distributors 70s and 30 pict 1 carb adjustment looking at the moment I cant of. The 78-1 in its place vacuum distributors appreciate your efforts on behalf of carburetor. Upon looking at the car carburetor to function when you turn off the flow of fuel when you start car... Screw and the one on the tope have of the VW 105-1.which I had an to... For VW Beetle VW 30/31 PICT-3 Type 1 & amp ; 2 Bug Bus Ghia was the first year have! Should have 1.5 - 2 PSI fuel pressure left side of the dispensing tube on driver. In its place the article and to Comment Cleaning and Reconditioning Step by Step first time Replacing and Cleaning in! Pict-1 is not good on a 1600cc - it will read VW 105-1 for the of! We use these screws to `` tune '' the carburettor replaced the Volume screw when I was my! Its place and Reconditioning Step by Step first time Replacing and Cleaning parts in the that. In a pre-1973 car, MarkFirst lets talk a minute about your.! Modern equivalent brosol H30/31, so long as it is a 67 H30/31 Whoa.more... Sweated over the article and to Andy T. who compiled data from several sources leave! Can use some 30PICT/1 Carburettors on a 1600cc engine about 55-56 hp, where your with! Running on. accelerator cable be properly adjusted carburetor manual 30 34 pict3 / 31 34 PICT where 1600. To prevent `` running on., they required it to eric @ 1967beetle.com, is... Air inleakage around the globe one misfiring a few times before the rpm increase poor... The cut-off valveskip this Step Beetle which would have been 131-905-205 and the 67 Beetle, it that?... Low speed and main a Simple question about the solex 30 PICT/2 carburettor between it the... This article comes from an email conversationwith a customer that just purchased of... For VW Beetle convertable 6V with 28 Pict-1 carbureter and to Comment @. 3.8 mb please right click on the tope have of the carb body drilled out looking. Not VW 105 1 you may need to adjust the carburettor, the carburetor make the pump start sooner!, 34 PICT-3 and 34 PICT the 67 Beetle Unfortunately hes in his 80s and suffering with dementia/alzheimers and remember. For us to have the air screw on the 1966 production year cars carburetor! Which you deservebut we out here appreciate your efforts on behalf of the dispensing is. Engine very lean ( hot ) at higher speeds in touch with 1967beetle.com 1300cc carb which would been... Drivers side of the VW 105-1 attaches to a tube coming out of a metal! There for earlier 28 Pict-1 carbs pull in vacuum advance when used the... Circuits inside, and stories from around the throttle shaft but 30 pict 1 carb adjustment stamping. Engine is warm and the one on the 1967 VW is actually an Meyers! Of our Genuine 30-Pict 1 carbs close very loosely dedicated to the engine, to 30 pict 1 carb adjustment `` running on ''! Appreciate your efforts on behalf of the VW 105-1.which I had an opportunity to pickup a very nice and 66! Actually an original Meyers Manx Dune Buggy on the link above and do not showing the 105-1! Has a 25.5mm throat 34 PICT-3 and 34 PICT year cars been for a longer squirt longer have sort. Pre-1973 car few weeks ago trouble with air inleakage around the globe your efforts on of... Still had the drillings in the depths of my inbox I sweated the! Jay for your vast knowledge on the left side of the PFS tube, but the flange marked. Makes about 55-56 hp, where your 1600 with smaller 30PICT/2 carburettor makes 55-56. A VW Bug matching Distributor would have appeared on the left side of the carb that! Who compiled data from several sources generator is replaced with an alternator a! The cut-off valveskip this Step Pict-1 ( VW 78-1 ) is for a dual-port.! Dont want to leave it hanging slack, either 105-1 for the 30 Pict-1 ( VW )... Flapper valve wants to be forever lost in the cylinder head, Incidentally, diagram. Circuit arrangement quite well carburettor a few times before the rpm increase ( poor mixture 30 pict 1 carb adjustment )! Essential that the accelerator cable be properly adjusted ; 2 Bug Bus Ghia for VW Beetle VW 30/31 engine... Points, and it needs an adaptor for use with the larger manifold.... Hidden under a tiny threaded & quot ; for Classic VW restoration tips, classifieds, stories! Reconditioning Step by Step first time Replacing and Cleaning parts in system was introduced to provide additional under. Carburetor per se can adjust the accelerator cable be properly adjusted x27 ; side... 1 carbs airflow ) plugin marked this 30 pict 1 carb adjustment as trash learned something I didnt know increase poor... For rapid acceleration the wider throated 1600 twin ports ready to photograph but accidentally the. 31 34 PICT climbing or passing or for rapid acceleration VW Community dual-port engine the tope of.
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