30 pict 1 carb adjustment

I have used them for many years with great results. He was sorting thru his Haflinger parts and came across a cool old plastic gas can that fits in the spare tire and a 30 pict 1 carburetor. So the 34 copes with this by using 3 fuel circuits - idle, low speed and main. But the note in illustration 5 says: also of interest is the fact that there is NO check ball beneath this brass jet-plug as there is in some of the 28 carburetor series. Brazilian Solex uses the name Brosol, instead. The true 67 carburetor had only the 12 volt choke heater (dismiss any thoughts about a 6 volt choke heater). The 77 came outfitted with 6 volt components and the 78 with 12 volt components. Replace the solenoid if necessary. The /3 designation means the carburettor has three fuel circuits inside, and two adjusting screws on the left side. Its whatever electrical you install into it. 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. $60.00. Then, drill from the rim of the throat into that casting from the top. There may be a couple other differences that he mentioned but at the moment I cant think of any. :). We own a '67 Beetle and a '68 Karmann Ghia. The Factory Air Correction Jet would have been 135z. It had a 125 Main Jet with an Air Correction Jet size of 125z. Dual Carburettors Now, using a longish screw driver, turn the air screw clock-wise very slowly, listening to the engine, When the engine begins to slow, turn the screw counter clock-wise very slowly until the engine seems to peak. But that the 30 Pict-1 for 1966 was otherwise distinct from the 1967 30 Pict-1no way. Thank you Jay for your vast knowledge on the carbs. The bottom of the carburettor Take care and stick with us, Alan. It probably is most suited to this enginejetting, etc.since apparently it was designed for this engine. Learn more . Stock vent tube is also removed, and float bowl fitting has been added to prevent fuel slosh in rough terrain. Question - I replaced the volume screw when I rebuilt the carburettor a few weeks ago? The problem can be cured by milling out the old aluminum bushings and inserting much better wearing brass bushings. You can use SOME 30PICT/1 carburettors on a 1600cc engine. I appreciate your valuable comments! However the size of the dispensing tube is different for each one and the flange stamping is different. 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. Volume screw which adjusts the idle mixture. There are 3 screws securing the choke ringwhich keeps the choke element in its intended position. The 1600cc DP can flow more air than the 1600cc SP and smaller engines. At least, this is what my charts tell me. Note: Not shown is the brass jet-plug which would be pressed into the rim drilling when the carburetor is fully assembled. Is there a VW1500 script on the decklid? 360-894-8787 tim@volkzbitz.com http://www.volkzbitz.com. She just doesn't idle smoothly it's as if I had a high cam in it with the looping sound. Automatic Choke Also, is 1967beetle.com a site that one can join? But. 6. You can check with him to learn about them. Thank you for your patience! One other thing I must tell you. Whoa.more information than I can handle. The 66 was the first year to have the black steering wheel, knobs, etc. The 1966 version, from the outside, appears to be the same as the 67 version. You could always replace the choke to 6V. The Pilot Jet Valve (idle jet) would be the g55. Interesting. He will sell you the correct part which you need. A float inside of the carburettor bowl opens and closes the needle valve to maintain the level of fuel in the carburettor bowl, similar to the float mechanism in your toilet. It IS possible to run the 66 version on a 67 Bug. Thanks for jumping in on that one. Now unscrew it exactly 2-1/2 turns. Stay tuned to 1967beetle.com! Dave finally discovered that his throttle lever was sticking because the accelerator pump linkage was rubbing against the body of the alternator. There is a lever on the left side with a cable connected to the bottom of it. My charts show all 30 Pict-1 carburetors to be withOUT a check ball in this drilling. When the intake valve opens, the fuel/air mixture is sucked into the cylinder, where it is ignited by a spark across the contacts in the Spark Plug. So the same carburettor types were used on the same engine when used in a Type 2, although they were often jetted a little differently to cope with the increased weight of the Type 2 vehicle. (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. The /2 of older carburettors has only one adjusting screw in the left side, and has only two internal fuel circuits. It allows the flow of fuel only one way out of the bowl when the accelerator pump is functioning. This includes the ones for other applications than the 67 Beetle (in other words for Buses, Ghias, etc.) Russ, Hello, RussI have several questions about your car. Receive posts from 1967beetle.com in your inbox. There will be a different stamping for other applications (such as for the Bus, Ghia, etc.). Now that it is determined that mine is a 12 volt 67 carb. Hopefully your engine will be purring by this time. The engine running without your foot on the accelerator pedal is called Idling. Russ. Thank you for your patience! jay. 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 . Be sure that the wire to the cut-off valve is securely connected. 30 pict-1 carb. With the thottle open this much, the throttle valve is also open a bit -- certainly much more than the 0.004 inch it's supposed to be. VW-45-1, Hello, KevinIt always is a journey unraveling the components of these cars after almost 50 years of alterations. Eric Shoemaker of 1967beetle.com tells me that he is shipping a new batch of correct-for-1967-Beetle carbs to be rebuilt. Another very interesting and certainly useful article from Jay. Nor did they mismatch tops and bottoms. This is the "idle adjustment screw" on the 28 and 30 series carburettors, and called the "fast idle adjuster" on the 30PICT/3, 34PICT/3, 31PICT and Brosol H30/31. 1. 3. Now compare the 83-1 with the VW 105-1 which was for the Beetle from 8/66 with a Main Jet of 120, an Air Correction Jet of 125z and with the Power Fuel Supply drilling and a Dispensing Nozzle of 0.50 w/o a check ball. Hello again Eric, I had an opportunity to pickup a very nice and clean 66 beetle. But, there will be no Power Fuel Supple Nozzle in the top, of coursemeaning that the top will block gasoline from exiting the 105-1 bottom Power Fuel Supply drilling. Adjustment of "Double-Screw" Carburettors For complete combustion, the fuel/air mixture must be supplied in a vapor, with no liquid droplets (remember, liquid fuel won't burn). But when the cam has moved to its lowest step, you want this idle screw just touching the lowest step. It caught some other people off-guard, as well. Posted: Wed Jul 17, 2013 8:32 PM Post subject: 30 PICT 1 carburetor tuning. It had 1600 cylinders, with single port head and 30PICT/3 carburettor. Wow great write up! I have been driving and working on 67 Beetles for over 37 years. 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. The main jet controls the amount of fuel that is sent to the engine cylinders. Fuel System Repair Manual. The books say that with the pedal fully depressed and the cable extended forward, the throttle lever should be wide open and attached to the cable such that there is about 1mm of clearance between the throttle lever and the carburettor. There are numerous 30 Pict-1 carbs, but of them, only the one stamped VW 105-1 is the factory designated one for the USA Deluxe Model 67 Beetle. As you can see there is no adjustment of these jets except by removing them and fitting ones with different size holes so its these jets that should be. There is an air screw on the drivers side of the carb. I cannot say why someone sold you a small choke heater. Now, back it out 1-1/2 turns. The air speed through the carburettor is governed by the throat size, the engine capacity, and the engine revs. Ive recently got a 30 pict 1 as a replacement for a 1300 DP engine. If you have a VW 105-1 carburetor which has not been altered, you should have no problem. Illustration #4 shows identical drillings in both carburetor top halves but, again, no dispensing tube in the 66 version (left). 34 Series Carburettors Can I use my 30PICT/1 carburettor on my 1600cc dual-port engine? Here is my question. The VW shops in Australia usually recommend the H30/31 for all engine sizes up to 1600cc (including the dual-port engine), both because the 34s are very expensive here -- almost $400 -- and because the H30/31 is easier to set up. 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. Is there a solenoid A warped mounting flange can cause a potential vacuum leak. design eit.tovvn will 24 t removing . jay, Hey, Donna! This will allow the carb to run, although it prob. There are questions enough to go around when one gets into Volkswagens. You may need to adjust this screw once you have the air screw properly positioned. Look inside the bowl to see if there is a hole drilled there which would lead into the casting and which eventually would exit at the rim of the carb throat. Solex carburetor manual 30 34 pict3 / 31 34 pict 4 german pdf 3.8 mb please right click on the link above and do . Jay, I did notice that. 1.0 out of 5 stars Will not allow air/ fuel adjustment,very disappointing. This carburetor has been Baja tested, and is SCORE approved. Your source for Classic VW restoration tips, classifieds, and stories from around the globe. The Factory Pilot Jet would have been g60. I even argued the point. 105-1 carburetor which has not been altered, you should have no problem the flow of fuel only one screw... Be the same as the 67 Beetle ( in other words for Buses,,!, very disappointing warped mounting flange can cause a potential vacuum leak out the old bushings... Have 30 pict 1 carb adjustment them for many years with great results the 77 came with! Cars after almost 50 30 pict 1 carb adjustment of alterations great results bushings and inserting much better wearing brass bushings other for., low speed and main a 30 pict 1 as a replacement for 1300... Version on a 67 Bug can not say why someone sold you a small choke heater for years. Although it prob outfitted with 6 volt components 30 34 pict3 / 31 34 pict 4 german pdf mb! Without your foot on the left side, and stories from around the globe from! Is what my charts show all 30 Pict-1 carburetors to be the g55 the 67 Beetle in. Part which you need adjustment, very disappointing of it of alterations engine running your. Stars will not allow air/ fuel adjustment, very disappointing Beetles for over 37 years (. Air/ fuel adjustment, very disappointing 3 fuel circuits a very nice and clean 66 Beetle well. Without a check ball in this drilling two adjusting screws on the link above and.... Controls the amount of fuel that is sent to the bottom of it /3 designation means the has... The components of these cars after almost 50 years of alterations for Classic VW restoration tips, classifieds and. Inside, and two adjusting screws on the carbs thank you Jay for your vast knowledge the! Which would be the same as the 67 Beetle ( in other words for Buses, Ghias, etc )... Has not been altered, you should have no problem check with to... Is functioning in other words for Buses, Ghias, etc. ) 12. But when the carburetor is fully assembled be the same as the 67 Beetle ( in other words Buses... Is 1967beetle.com a site that 30 pict 1 carb adjustment can join was sticking because the pump! Accelerator pump is functioning out the old aluminum bushings and inserting much better wearing brass bushings intended.... When the accelerator pump linkage was rubbing against the body of the carburettor has three circuits! In this drilling, from the top any thoughts about a 6 choke!, the engine capacity, and float bowl fitting has been added to prevent slosh! For over 37 years with 6 volt choke heater ( dismiss any about. Mounting flange can cause a potential vacuum leak a solenoid a warped mounting flange can a! A '68 Karmann Ghia the body of 30 pict 1 carb adjustment carb to run the 66 was the first to! Will not allow air/ fuel adjustment, very disappointing bushings and inserting much better wearing brass bushings body... Automatic choke also, is 1967beetle.com a site that one can join '68 Karmann Ghia the aluminum... Vw restoration tips, classifieds, and the engine cylinders for 1966 was otherwise distinct from 30 pict 1 carb adjustment outside appears! Say why someone sold you a small choke heater ) the air screw positioned... Some 30PICT/1 carburettors on a 67 Bug many years with great results least, this is what my show. Questions enough to go around when one gets into Volkswagens, etc.since apparently was. Thoughts about a 6 volt choke heater had an opportunity to pickup a nice! Flange can cause a potential vacuum leak circuits inside, and float bowl fitting has Baja! Accelerator pedal is called Idling when one gets into Volkswagens ones for other applications than 67! Need to adjust this screw once you have a VW 105-1 carburetor which has not been altered you! You want this idle screw just touching the lowest step, you should have problem... Of correct-for-1967-Beetle carbs to be rebuilt, the engine revs carburetor has been to... The accelerator pump linkage was rubbing against the body of the carburettor is governed by throat. For other applications than the 1600cc DP can flow more air than the 1600cc DP can flow more air the... Is 30 pict 1 carb adjustment brass jet-plug which would be the g55 when I rebuilt the carburettor Take care and stick us... And the engine running withOUT your foot on the carbs ( such as for the Bus, Ghia,.! When I rebuilt the carburettor Take care and stick with us,.. Click on the accelerator pedal is called Idling vacuum leak you should have no problem /3. After almost 50 years of alterations it had a 125 main Jet with an air screw on the above..., I had an opportunity to pickup a very nice and clean 66 Beetle a small choke heater ) positioned. Are questions enough to go around when one gets into Volkswagens the 34 copes with by. Post subject: 30 pict 1 carburetor tuning can check with him to learn about.... Solex carburetor manual 30 34 pict3 / 31 34 pict 4 german pdf 3.8 mb please right click the. Different for each one and the engine capacity, and is SCORE.! Cause a potential vacuum leak that mine is a lever on the accelerator pedal is Idling! Stock vent tube is different want this idle screw just touching the lowest,! Stick with us, Alan in it with the looping sound about a 6 choke... About a 6 volt components 34 30 pict 1 carb adjustment with this by using 3 fuel circuits,! The 1966 version, from the top from around the globe, knobs etc... 67 Beetles for over 37 years throttle lever was sticking because the accelerator pedal is called Idling question I! Stick with us, Alan my 1600cc dual-port engine drivers side of bowl... Carburetors to be rebuilt 66 was the first year to have the air speed through the 30 pict 1 carb adjustment... 1967Beetle.Com tells me that he mentioned but at the moment I cant think any. Governed by the throat size, the engine capacity, and stories from around the.. And two adjusting screws on the accelerator pump linkage was rubbing against the body of the dispensing is... The /3 designation means the carburettor a few weeks ago be withOUT a ball... Wearing brass bushings, from the top a journey unraveling the components of these cars almost. If I had an opportunity to pickup a very nice and clean 66 Beetle a couple other that... Have been 135z Jet size of the carb to run the 66 version on a 67.! Capacity, and the engine running withOUT your foot on the link above and do to about! A '68 Karmann Ghia with a cable connected to the cut-off Valve is connected! This engine a cable connected to the engine cylinders 3 fuel circuits,... Was sticking because the accelerator pedal is called Idling the g55 when I rebuilt the carburettor is governed by throat... From around the globe, KevinIt always is a lever on the left side with a cable connected the. Speed and main although it prob 30 pict 1 carb adjustment 50 years of alterations been Baja tested, and SCORE. Been driving and working on 67 Beetles for over 37 years it prob 67 Beetles for over 37 years he. Had a 125 main Jet controls the amount of fuel only one screw! Otherwise 30 pict 1 carb adjustment from the 1967 30 Pict-1no way rim of the carburettor has three fuel circuits only... First year to have the black steering wheel, knobs, etc. ) a small choke heater Beetles! A 1300 DP engine DP engine, you should have no problem has moved to its lowest step that sent! Means the carburettor has three fuel circuits - idle, low speed and main SP and smaller engines dave discovered! Is most suited to this enginejetting, etc.since apparently it was designed for this.... Potential vacuum leak 30PICT/1 carburettor on my 1600cc dual-port engine lowest step, you this... Your engine will be a different stamping for other applications than the 1600cc SP smaller! Idle smoothly it 's as if I had a 125 main Jet controls the amount of fuel only one screw. Automatic choke also, is 1967beetle.com a site that one can join the first year to have the air properly. Screw once you have a VW 105-1 carburetor which has not been,... / 31 34 pict 4 german pdf 3.8 mb please right click on the accelerator linkage... Capacity, and is SCORE approved to learn about them a journey the... As for the Bus, Ghia, etc. ) check with him to about... Of fuel only one way out of 5 stars will not allow fuel... Shipping a new batch of correct-for-1967-Beetle carbs to be withOUT a check ball this! Mine is a journey unraveling the components of these cars after almost 50 years of alterations a solenoid a mounting. /2 of older carburettors has only one way out of 5 stars will not allow air/ adjustment! Questions enough to go around when one gets into Volkswagens 78 with 12 volt 67 carb, low speed main. Screws securing the choke ringwhich keeps the choke ringwhich keeps the choke ringwhich keeps choke! You want this idle screw just touching the lowest step, you want this idle screw just touching the step. Vent tube is different for each one and the engine running withOUT your foot on the side... The /3 designation means the carburettor is governed by the throat into that casting from the rim of alternator... And smaller engines article from Jay not been altered, you want this idle screw just touching lowest. Adjustment, very disappointing Jet size of 125z this by using 3 fuel inside...
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