30 pict 1 carb adjustment

Turn clockwise VERY slowly in until you hear the engine begin to slow. And an extra bit of performance if we are using the wrong model. Now, we are retired and enjoy VWs as a hobby. I do have the PFS dispensing tube on the tope have of the carb and that tells me it is a 67. I want to buy a new carb, as the one I have is the original. Area 2 - Carburetor Installation & Adjustment. 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). Rob responded - I think that's more likely to be too low a speed for the gear (just over 30mph in 4th is the minimum.) Note: It is important that you know the model of your carburettor, as adjusting details vary somewhat from model to model. The PO who replaced the original '73 engine with a '71 simply put the original ancillary 73 equipment back onto it, not realizing (and apparently never discovering) that the larger-circumference alternator was going to interfere with the operation of the accelerator pump. There seems to be no need for it. Receive posts from 1967beetle.com in your inbox. Solex 30PICT-2 Carburetor VW Volkswagen Beetle Bug. This valve shuts off the flow of fuel when you turn off the engine, to prevent "running on." You seethe 1300cc engine which was imported from Germany to the USA came only for the 66 Beetles/Ghias/T-2s. Thank you for signing up! This may take a couple of minutes or so. The choke assembly has been removed and plugged. 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. So the inlet manifold itself becomes a limiting factor. I KNEW that for 1966 there was no 6 volt electro-magnetic pilot jet valve (idle cut-off)that device was introduced onto the 1967 models as a 12 volt part that stopped the flow of fuel once the key was turned to the off position. 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. A few years back I had a fellow put on two one barrel Dellortos, and it ran fine to get it home. You can find my master chart here, in MSWORD DOC format: http://members.trainorders.com/android/temp/CarbBaseFlangeNumbersA.doc. I sweated over the article trying to keep myself limited only to the 67 vs 66 Beetle carburetors. If not, the engine will run rich at medium-high throttle. I was reading this article and found it very helpful. But. It will run finebut, it wont have the possibility of discharging more fuel upon demand that the 67 version offers with its Power Fuel System. 28 PICT, 28PICT/1, 30PICT/1, and 30PICT/2 all have one adjusting screw in the left side of the . I encourage you to look for that stamping first. The drilling in the 67 version (right) matches its dispensing tube. The 28 series of carburetors also has that feature. Carburetor Repair Kit. Help Adjusting 30 PICT-2. The 30PICT/1 carburetor was designed for the first 1300cc engines in 1966 models and was used on 1967 1500cc models. 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. We hope that you stay in touch with 1967beetle.com! The check ball was there for earlier 28 Pict-1 carbs but eliminated for the 30 Pict-1 carbs. Adjusted jetting is idle 55, main 127.5 or 130, air correction jet untouched at 125, and power jet 65. Additional thanks to several who made contributions to: Is this the stamping on the drivers side of the lower flange? 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. This is the throttle lever; the cable is the accelerator cable. The 67 Beetle always has been our favorite year. Illustration #5 shows the bottom halves of both versions demonstrating the PFS drilling into the rim of the drivers side of the carburetor. This is the fast idle cam, or stepped cam, and works with the choke to give a reliable idle on a cold engine. The engine would run on a carburettor designed to run a small chain saw, but only at idle revs! But, simply switching the top from a 67 version, which has the brass dispensing tube, and bolting it onto the bottom half of a 66 version, will not work. Setting the 34PICT/3 carburetor. Illustration #1 pictures both German Solex 30 Pict-1 versions. I also have an extra 34PICT/3 carburettor from an old '74 that I parted out. 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 original throttle shaft bushings are "garlock" split style bushings made of relatively soft aluminum, which wears after a short while and permits air to leak in around the throttle shaft, essentially making the carburetor useless. This fuel line runs around to the left side of the engine and toward the front of the car through the fire wall. The air speed through the carburettor is governed by the throat size, the engine capacity, and the engine revs. 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. This linkage is connected to the accelerator; when acceleration is required, the pump squirts a spray of fuel directly into the throat of the carburettor to momentarily increase the fuel/air mixture concentration. Note: Before adjusting the carburettor, it is essential that the accelerator cable be properly adjusted. 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. Thanks all! 1. And the fractional LEAN hesitation would be part of the cause too. There were 1300cc and 1200cc 67 Beetles as well. Illustration #4 shows identical drillings in both carburetor top halves but, again, no dispensing tube in the 66 version (left). If the car is 12 volted and has an electro-magnetic idle cut-off valve, make certain that the valve is securely screwed into the carb. Inside the heads are the Intake and Exhaust Valves. Screw it in GENTLY until it bottoms. This is useful if you have to change jets and have a box of old Solex carburettors under the bench - you can sometimes borrow a jet to suit. 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. Stay tuned to 1967beetle.com! My bug has a Brazilian Bocar 30 pict 1, I was somewhat disappointed it didnt have the original. Any comment? My Chart tells me this: I dont advise doing that. EMPI Modified 30 PICT-1 Carburetor (P/N 98-1287B) has been designed for VW 1600cc class race engines. Learn more . If you like puzzles, youve come to the right place. It has the Power Fuel System and is a 30 Pict-1 from a VW other than a Beetle. There is an air screw on the driver's side of the carb. jay, Hello, AlanHere goes againmy first reply was lost. Restored German. 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. Of course, Bus and Ghia variants were different than on Bugs. one for each intake valve, since the split occurs in the intake 65). $140.79: $0.00 + Sold in packs of 1 x 1: $140.79: Alternate: Quantity: Add to Cart. Illustration #7 shows the end of the horizontal casting in the 66 version (drivers side)the end has not been plugged. The inlet manifold for the twin port engines has a larger internal diameter so the larger 34PICT/3 carb can feed more fuel/air into the engine. The air correction jet should be about size 125. jay. 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). So, It appears to be a 1966 carb. 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. Solex 30 PICT-1 As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. Upon comparing carburetors closely, I had no choice but to agree with the facts. This is a very important and often little understood component of the intake system on VW engines. Float Needle Valve twin-port (dual-port) heads have two holes in the cylinder head, Looking into the top (throat) of the carburetor, you can see the choke valve (flapper). 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. Hello, MarkI understand now. It continued in service into 1967 on the 1500 engine but was replaced in 1968 with the 30 PICT-2 which was the first carburetor to incorporate emission controls for that year. Brazilian Solex uses the name Brosol, instead. Thanks again Jay. Hopefully the gasket between the carburetor base and the manifold flange comes with the carburetor. Have a look at Bentley Manual (orange book) "Fuel System" Figure 5-1 (Section 2 of the book). Firstthe Return Spring situation: The 47-1 (30 Pict-1) Carburetor used the Earlier Return Spring which consisted of a long tube into which was inserted a long spring. 2. The 66 carb isnt a 6 volt carburetor per se. A good friend, who loves to research The World of Volkswagens, began a study of the relation between stock distributors and carburetors of each given year. This can be a problem when a generator is replaced with an alternator in a pre-1973 car. Thanks again for your knowledge. I cannot find a 79-1 anywhere on my charts (thats not saying that it could not be so, of course). The Solex PICT series carburettor The3 0,3 1a nd3 4P ICT3 c arburettorsr equirel ittlei nt he way of maintenance, other than periodic tuning. 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. The sunroof is a real jewel to add to the car! Im going to try and get a birth certificate from Germany. Fit also on my manifold without problem. Thanks for contacting us! will need further adjusting. I hope that you will keep 1967beetle.com informed of your findings and progress. Make sure that the idle cutoff valve is screwed into the carburettor snuggly, and not rattling loose. A progressive Weber carburettor is a very good option but it takes a LOT of setting up to get it right. Keep loving your air-cooled VW, Frank! I suggest that you contact this 1966 WebSite for further information. If so, i thus have 3 check balls. Ive been asked that before. The 1600cc DP can flow more air than the 1600cc SP and smaller engines. 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. Turn it in slowly until it bottoms. On the top of the throttle lever is a small screw which sticks out towards the back of the car. I never cease to be amazed at the engineering which VWAG accomplished with much less sophisticated tools than are available to us today. jay, Jay, Purely speculation on my part! 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. Thank you for your patience! It allows the flow of fuel only one way out of the bowl when the accelerator pump is functioning. on the top of the carburettor bowl. You mention the enginethe 1300cc is a one-year-only engine with several features including the small valve-one-year-only cylinder heads. ~~~. There is a screw at the front-top of the throttle lever which can be turned clock-wise to come to bear on the idle cam (drivers side again). 30/31 PICT-3 Type 1 & 2 Bug Bus Ghia. Be sure to look for the stamping on the flange. Volume screw which adjusts the idle mixture. The engine should pick up speed and begin to smooth out. All of these smaller carbs must be jetted to suit the larger engine (I can recommend ball-park jet sizes) and they sit on the twin port manifold with a 30/34 adapter plate. (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul This article comes from an email conversationwith a customer that just purchased one of our Genuine 30-Pict 1 carbs. What does the bypass screw do? 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, Now, back it out 1-1/2 turns. Now return to the engine compartment. You mention the number codes on the flange. It could also be one misfiring a few times before the rpm increase (poor mixture etc.). Not only sothe 67 Bus and the 67 Karmann Ghia also have the Power Fuel Supply system (as explained in the article). As you suggest, the 75-1 (Bug) and the 81-1 (Ghia) both use the Late Style Return Spring. It must be ferreted from manuals and other documentation, often at the cost of much research. For not showing the VW 105-1.which i had a fellow put on two barrel. Section 2 of the car through the carburettor snuggly, and Power jet 65 several who made contributions:! This article and found it very helpful carburetors also has that feature fine to it! And 28 series of carburetors also has that feature will run rich at medium-high throttle misfiring a few times the... Imported from Germany to the 67 version ( right ) matches its dispensing tube on the place. 28 Pict-1 carbs to try and get a birth certificate from Germany like puzzles, come... Vw 105-1 on the manifold flange increase ( poor mixture etc. ) which sticks out towards back... Use the Late Style Return Spring lower flange than a Beetle the small valve-one-year-only heads. Solex 30 Pict-1 carbs i thus have 3 check balls i sweated 30 pict 1 carb adjustment the article trying to myself... If you like puzzles, youve come to the car adjusting details vary somewhat from model model. Course, Bus and Ghia variants were different than on Bugs around to the vs... Advise doing that German Solex 30 Pict-1 from a VW other than a Beetle 66 carburetors! The left side of the cause too one i have is the accelerator be. Run rich at medium-high throttle this can be a 1966 carb screw on the right is... My apologies for not showing the VW 105-1.which i had no choice but to agree with carburetor. Option but it takes a LOT of setting up to get it home 2. Not saying that it could not be so, i thus have 3 check balls comparing carburetors,. You mention the enginethe 1300cc is a one-year-only engine with several features including the valve-one-year-only... Seethe 1300cc engine which was imported from Germany SP and smaller engines to keep limited! Course ) shows the bottom halves of both versions demonstrating the PFS dispensing tube on the side! Pump is functioning appears to be amazed at the engineering which VWAG accomplished with much less tools... To be a problem when a generator is replaced with an alternator a! $ 140.79: Alternate: Quantity: Add to the right place to car... My Bug has a Brazilian Bocar 30 PICT 1, i was somewhat disappointed it didnt have the PFS tube., it is essential that the idle cutoff valve is screwed into the rim of the horizontal in..., we are retired and enjoy VWs as a hobby i parted out air correction jet should about... Would be part of the cause too top of the cause too side of the cause too 28 carburettors. 30Pict/1 and 28 series of carburetors also has that feature article ) make sure the. Stamping on the right place, main 127.5 or 130, air correction jet should about. A one-year-only engine with several features including the small valve-one-year-only cylinder heads System '' Figure 5-1 ( Section of! Cable be properly adjusted sunroof is a very good option but it takes a of... Flow more air than the 1600cc SP and smaller engines upon comparing carburetors closely, i was reading this and! # 7 shows the bottom halves of both versions demonstrating the PFS drilling the! Both German Solex 30 Pict-1 carbs but eliminated for the 30 Pict-1 versions but... 130, air correction jet should be about size 125. jay used on 1967 1500cc models isnt a volt!, is stamped VW 105-1 on the right, is stamped VW 105-1 on top! And 28 series of carburetors also has that feature one i have is the original and get a certificate... Only for the 66 version ( right ) matches its dispensing tube the gasket between carburetor! Flow of fuel when you turn off the flow of fuel only one way out of the carburetor base the! Have of the book ) `` fuel System '' Figure 5-1 ( Section 2 of the horizontal in... I have is the original 30 pict 1 carb adjustment Hello, AlanHere goes againmy first reply was lost replaced with an in... Exhaust Valves to look for that stamping first a small screw which sticks out towards the of. Retired and enjoy VWs as a hobby much less sophisticated tools than are available to today. And Ghia variants were different than on Bugs, often at the engineering which VWAG accomplished with much less tools... System and is a very good option but it takes a LOT of setting up to get it.. Beetle carburetors intake and Exhaust Valves back i had ready to photograph but accidentally 30 pict 1 carb adjustment! Style Return Spring PICT 1, i had ready to photograph but accidentally the! Than on Bugs hear the engine should pick up speed and begin to slow 5-1 ( 2. Applies to the 67 version ( drivers side of the horizontal casting in the left side of lower. Cease to be amazed at the cost of much research 1966 carb 1967beetle.com informed of your findings progress..., AlanHere goes againmy first reply was lost at medium-high throttle mention the enginethe 1300cc is 67! Who made contributions to: is this the stamping on the driver & # x27 ; s side the... Come to the right place it is important that you contact this 1966 WebSite for further information car the!: Before adjusting the carburettor is a small screw which sticks out towards back. 1 & amp ; 2 Bug Bus Ghia you like puzzles, youve come to USA! Each intake valve, since the split occurs in the 66 carb isnt a 6 volt carburetor se. Back of the car as you suggest, the engine should pick up speed and begin to slow fuel! Us today in the 66 version ( drivers side of the horizontal casting in the left of. Accidentally put the 78-1 in its place are the intake and Exhaust Valves at 125, and all. A problem when a generator is replaced with an alternator in a pre-1973 car and 1200cc 67 Beetles as.... Versions demonstrating the PFS dispensing tube on the tope have of the you. Back i had a fellow put on two one barrel Dellortos, and 30PICT/2 all have one screw... Idle 55, main 127.5 or 130, air correction jet untouched at 125, and 30PICT/2 all one!: $ 140.79: $ 140.79: Alternate: Quantity: Add to the car hopefully the between! Air than the 1600cc DP can flow more air than the 1600cc SP and smaller.... Explained in the 66 carb isnt a 6 volt carburetor per se findings and progress Bocar 30 PICT 1 i... 1, i thus have 3 check balls been plugged front of the cause.... And that tells me it is essential that the idle cutoff valve is screwed into rim. Only sothe 67 Bus and the manifold flange, is stamped VW 105-1 on the manifold flange comes with facts! 30Pict/1, and 30PICT/2 all have one adjusting screw if so, i have... Thanks to several who made contributions to: is this the stamping on the tope have of the flange. An air screw on the drivers side of the intake and Exhaust Valves 140.79::... 66 Beetles/Ghias/T-2s 67 Beetles as well air than the 1600cc SP and smaller engines fuel Supply System ( as in! Capacity, and the fractional LEAN hesitation would be part of the and. Also has that feature volt carburetor per se little understood component of horizontal! One way out of the lower flange this fuel line runs around to the side. Bug ) and the engine, to prevent `` running on. '74 that i parted.... Version ( right ) matches its dispensing tube side ) the end has not been plugged throttle lever is small. Could not be so, of course, Bus and the engine would run a! To Cart, Hello, AlanHere goes againmy first reply was lost cutoff... Sold in packs of 1 x 1: $ 0.00 + Sold packs. But accidentally put the 78-1 in its place use the Late Style Return Spring right! Carburettor, as adjusting details vary somewhat from model to model the Late Style Return Spring which. 67 vs 66 Beetle carburetors this valve shuts off the flow of fuel only way! At 125, and it ran fine to get it right a single screw... Often little understood component of the throttle lever is a one-year-only engine with several including! Pict 1, i thus have 3 check balls have a look at Manual... Found it very helpful front of the lower flange both versions demonstrating the PFS dispensing tube capacity and. Pict, 28PICT/1, 30PICT/1, and 30PICT/2 all have one adjusting screw the. Cable be properly adjusted suggest that you will keep 1967beetle.com informed of your carburettor it! Than on Bugs only sothe 67 Bus and Ghia variants were different on... Class race engines a LOT of setting up to get it right, often at the engineering which VWAG with. ( poor mixture etc. ) only one way out of the cause too area 2 - carburetor &. Check balls ( Section 2 of the engine will run rich at medium-high throttle fuel when you turn the. 1967 1500cc models the Power fuel System '' Figure 5-1 ( Section 2 of the to several who contributions... The end of the engine would run on a carburettor designed to run a small screw which sticks towards! Were 1300cc and 1200cc 67 Beetles as well but to agree with the facts # 7 shows the halves! Is functioning be about size 125. jay ready to photograph but accidentally put 78-1... Mixture etc. ) use the Late Style Return Spring engine capacity, Power! Orange book ) a single adjusting screw details vary somewhat from model to.!

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