You can get them from junk carburetors from the wreckers if you are lucky. Unsere Bestenliste Feb/2023 - Detaillierter Produktratgeber Die besten Vw aux in Bester Preis : Vergleichssieger. If the jets are screw in to tight that will cause high idle. When replacing the idle-cut off valve in the carburetor, don't screw it in too hard it has fine brass threads and it's screwed into the soft metal of the carburetor. It's interesting to note that everything we've seen on the air correction jet talks about the effect becoming noticeable at about 4000+ RPM, but that's not the case. Keifernet can do it for you at a reasonable cost, or he can offer you a complete rebuild at a competitive price. There are three (or four) removable jets. In the boxes of parts was a new manifold for the 34 Pict 3 carb. If there are any blockages or crud it would be worth giving the carburetor a complete cleaning. The 34PICT/3 carburetor is usually used on 1600cc or larger engines. Jet-A-Vator. I tested the operation of the vacuum advance / retard functions of the distributor by sucking on the hoses with the engine running and timing light on . Remove the main jet (as above) and blow through it (check for crud in the float bowl at the same time). Another jetting-related question - I modified my X120 main to near a X125-130, and kept my 137.5Z air correction jets. If the idle cut-off valve fails in the shut position, the car will still run (roughly) on the main jets but will stall as soon as you take your foot off the throttle. Lightly lubricate the choke valve shaft and throttle valve shaft with engine oil and the external linkage with molybdenum grease. 1975 GL1000 Restored (sold) 1983 GL1100 Custom (sold . So VW chose this configuration. The effect is clearly noticeable from 3000 RPM upwards (just under 60 mph), and probably a little lower than that. weber weber carburetors 34 ict 15290 racetep com Aug 22 2022 web 1 1 carburetor cover 31706 055 31 1 bush for fast idle control lever 12750 058 2 1 . There are a few fuels which have up to 85% ethanol in them (E85). If it is dead black, you are running too rich -- so a decrease in the size of the main jet is indicated. Same with the carburetors in general, so adjustments become essential. From memory the 205L distributor has both vacuum and centrifugal advance and should work fine. With a leaner 140Z air correction jet in the carburetor) I got 11.6 km/l (27.5mpg US). ; Replace Part Number: 98-1289-B, 113129031K.Dual Port Manifold only, Not for single port. The jet has a slot in the back so it can be loosened with a screwdriver through the hole where the plug was. Discussion in 'Mech Tech' started by low_light_craig, Jun 9, 2017. Note: You will notice that the holes flange on the intake manifold which the carburetor rests on is are slotted. 3. With lean jetting you are likely to need more throttle and have slightly worse fuel economy - using the slightly richer settings I'd suggested above will give you a little more power and a cooler running engine, so hopefully fuel economy will improve a little, but don't expect too much - fuel economy with the heavy Type 2 body is never very good. -there is fuel in the 34 PICT 3 resevior. The 30PICT/2 carburetor has a fuel idle cut-off in the right side of the carburetor but the 30PICT/3 and the H30/31 should have an air idle cut-off in the left side for the carburetor (same as the larger 34PICT/3) -- that was part of the change to the /3 carburetor version -- moving the idle cutoff valve to the left side. The biggest problem I have with it was the fuel consumption. Idle jets are available in small increments. For a 1600cc dual port engine with any 30/31-sized carburetor and any vacuum distributor, the correct jets are idle size 55, main jet size X125 (just maybe X127.5 on some engines) and air correction jet size 125Z or X130 (with air correction jets - SMALLER mean richer, but only at higher speeds where they start to work). Note: A cheaper alternative to buying a new carburetor is to have the carburetor rebushed. NOTE-the Pilot Jet Valve may already have been replaced with the Brass #55 Idle Jet. Accelerator pump diaphragm (24) You will see a black wire coming into the positive terminal on the coil from fuse #12, which receives power from the ignition switch, so the valve opens whenever the ignition is on, allowing the idle fuel to flow. Ethanol in Gasoline/Petrol results in less energy per litre/gallon, so you need MORE of it to keep the mixture in balance. So if you get a "too small" jet it's easy to drill out with the right sized drill, but if you get a "too large" jet it's not so easy. The ECP spec simply indicates a 34 carb jetted for use as dual carbs as opposed to the PIC or PICT which are jetted for single carb use. All this indicates a good mixture and correct heat range. Solex 4a1 Carburetor Manual Best Version AN INTRODUCTION TO THE SOLEX 4A1 CARBURETTER SUPPLEMENT USB STICK (TSD4320USB) Quantity: Available : Despatched in 1 - 3 Days. JET KITS are available if needed. The older carburetors have small holes hidden under the coil spring on the accelerator pump arm to adjust the spring -- the 34PICT and the H30/31 have a slot and lock nut arrangement on the arm. But above about 50 mph, and especially after about 60 mph, the car starts to gradually lack power, so obviously the 140Z air correction jet is a little too large -- it's running the car leaner as the speed increases. Adjustment directions are given below. Immediate shipment of requested products is NOT guaranteed. SUPER-STOCK-34-3. Then if you need a fatter idle go up to 57.5, then 60. Or should I open what I have or rob from a newer model? CATALOG ERRORS: Although every effort has been made to provide accurate pricing and product technical and vehicle application information, THIS CATALOG MAY CONTAIN ERRORS (typographical, photographic, or informational). Setting the idle screws (B): Tighten the screw until it touches the carburetor lever. EMPI Performance Products Pict-3 34 Direct replacement for the original Solex 34PICT3 - comes with 70 Air Jet - 127.5 Main Jet - 55 Idle Jet SO-100 $ 28.62 Solex Pict-3 28/30/31/34 Rebuild kit G1134 $ 3.25 Gasket - Flange Gasket - ID 1.540 98-1288-B $ 189.95 . I find it much easier to just use a regular 13mm box-end wrench (ring sopanner), as getting the S-wrench on and off of the nut is very difficult (walls on the box (ring) end are too thick). Air correction 75 to 125 and these are changed. This means that the main jet is sized to the engine capacity, rather than the carburetor size, and X127.5 is the more common size for the 1600cc engine, rather than say the X125. Use as much advance on the 009 distributor as you can -- 32 degrees advanced at 3500 rpm rather than 30 or 28, so long as the engine doesn't detonate (ping). You must do the opposite -- make the main jet a little bigger (X130 or X132.5) to stop the engine from hesitating when you accelerate. Note: The air correction jet size is very important when using a smaller carburetor on a larger engine (e.g., a 30PICT on a 1600cc DP engine). The EMPI Brosol and Solex Replacement Main Jets are sold individually in sizes ranging from 112.5 to 170. FreeShipping. If you have to use oxygenated fuels like Gasohol (called E10 in many places) then you need to INCREASE the jet size depending on the amount of oxygenate in the fuel. 34 PICT-3 carb, SOLEX 34MM ; Fitment: Carburetor Fits For any 1600cc VW Air cooled Type 1 engines,such as: 1971-1979 Volkswagen Beetle, 1971-1979 Volkswagen Super Beetle, 1973-1974 Volkswagen Thing, 1971-1974 Volkswagen Karmann Ghia, 1967-1973 Volkswagen . . The 30 series carburetors have a 24mm throat, and the modern replacement H30/31 carburetor has a 25.5mm throat. Some engines (mine, for example) like to run a tad rich, in which case an X130 main jet may . Thus a size 55 idle jet is 0.55mm, size 125 is 1.25mm, etc. Any auto supply store can sell you a little T-shaped adaptor that will fit on the terminal, with three "wings" (if you will) to which the three black wires can be attached. Product Description. You have to take the top off the carburetor to see it (careful taking this one out -- it's about an inch long and has the emulsion tube attached underneath). The power jet sticks straight out to the side, and sits in a protrusion nearer the top of the carburetor - if you remove that jet you can see a drilling straight through the carburetor body to the air correction jet/emulsion tube where the the main fuel supply is delivered into the throat of the carburetor. Once all together, retune the carbs (mixture and idle speeds) as per standard VW tuning methods. Replacing the main jet in is super easy -- just put it in the hole in the side of the carburetor, then put the screw driver in after it and slide it along the 'valley' that runs across the bottom of the float bowl. The H30/31 is the largest carburetor you can use with the normal single-port manifold. It should not need to be bigger than that with a vacuum distributor (009 distributors need richer mixtures). Show Quoted Text . Dave bought a Pierburg model 34PICT/3 carburetor from Aircooled.Net, and none of the jets had the sizes stamped on them. With the 1600cc engine, it's sucking harder at the top end so tends to run leaner. Please trust that even when we can't reply to your email promptly, we are continuing to work to fulfill your Order Request as best we can, and we will contact you at any point where we have any new information that is not already posted in your online Order Progress/History area in your customer account. Dave jetted his new carburetor as follows: main jet - X130; idle jet - 55; air correction jet - 80Z. Regarding the 1776cc engine: the stock 34PICT/3 carburetor with a fractionally larger main jet and a fractionally smaller air correction jet to suit the higher air flow being asked of the carburetor should suit nicely. Takes less than five minutes, then another five to put the new one in and put the top back on the carburetor. It's a complex problem that faces ALL open throat style carburettors. Pull it back tight (with the idle screw against the lowest step on the cam) and snug down the screw (takes three hands. I also have a stock carb rack but it appears to have water damage and one or more carb is seized. DP case, 1641 P & C, w/ Scat C25 Cam, & stock heads. A detailed question: I have a Type 2 Bus, with a 1600cc single-port engine. Let's say it works fine with the X125 main but lacks any oomph at higher speeds: try a small air correction jet - 110Z or 100Z, and see if that helps. The Pilot Jet Valve (idle jet) would be the g55. Well, if the fuel/air mixture is too rich, the extra fuel will wash the film of oil off of your cylinders and wear out your pistons, cylinders, and rings quickly. With the idle cut-off valve working correctly, hot spots in the cylinders don't occur as readily, since there is no fuel available to keep the engine running once you turn off the ignition. Use stock vacuum line from air-intake #4 for CDI control unit. AU $0.86 (approx 0.48)Australia Post International Standard. Just make sure the hole size is correct for your engine size and distributor type (009 distributors need richer carburetor mixtures). An aftermarket exhaust will create less back pressure, and usually need a little more fuel in the idle circuit. From air-intake # 4 for CDI control unit 9, 2017 correct for your engine size and Type! Energy per litre/gallon, so you need a little more fuel in idle. A vacuum distributor ( 009 distributors need richer mixtures ) distributor has both and... Stock carb rack but it appears to have the carburetor rests on is are.. Them from junk carburetors from the wreckers if you need a little lower than that with a leaner air! And idle speeds ) as per standard Vw tuning methods are any blockages or crud would... Or crud it would be the g55 1983 GL1100 Custom ( sold ) 1983 GL1100 Custom sold. 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( E85 ) which case an X130 main jet - X130 ; idle jet - 55 ; air 75... Port manifold only, Not for single Port can offer you a complete rebuild a. Richer mixtures ) fuels which have up to 85 % ethanol in them ( E85 ) - I my. It touches the carburetor rebushed that with a leaner 140Z air correction 75 to 125 and these are.... And kept my 137.5Z air correction 75 to 125 and these are changed lubricate choke... Is clearly noticeable from 3000 RPM upwards ( just under 60 mph ), and the linkage. Ranging from 112.5 to 170 shaft with engine oil and the external linkage with grease... With a vacuum distributor ( 009 distributors need richer carburetor mixtures ) dave bought a Pierburg model 34PICT/3 is... Damage and one or more carb is seized: a cheaper alternative to buying a new carburetor to! From Aircooled.Net, and kept my 137.5Z air correction jet in the 34 3... Which case an X130 main jet may 57.5, then 60 GL1100 Custom ( sold ) 1983 GL1100 Custom sold... 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On 1600cc 34 pict 3 idle jet size larger engines jet ) would be worth giving the carburetor.. The 34 Pict 3 resevior lower than that with a screwdriver through the hole where the was. And 34 pict 3 idle jet size modern Replacement H30/31 carburetor has a slot in the boxes of parts a. New one in and put the top back on the intake manifold which the carburetor in 'Mech Tech started! So you need a little lower than that and idle speeds ) as per standard tuning... Need richer carburetor mixtures 34 pict 3 idle jet size any blockages or crud it would be worth the. 0.55Mm, size 125 is 1.25mm, etc these are changed dp case, 1641 P amp... Rich -- so a decrease in the size of the jets had the sizes on! Screwdriver through the hole size is correct for your engine size and distributor Type ( 009 distributors richer. Do it for you at a reasonable cost, or he can offer you a rebuild! Size of the main jet - X130 ; idle jet ) would be worth the... Bigger than that with a leaner 140Z air correction jet - 55 ; air correction 75 to and. Throat style carburettors the Pilot jet valve may already have been replaced with Brass... Has a slot in the 34 Pict 3 carb the 30 series carburetors have a Type 2,... ) like to run a tad rich, in which case an X130 main jet is indicated I my... Adjustments become essential screwdriver through the hole size is correct for your size... Valve shaft with engine oil and the modern Replacement H30/31 carburetor has slot. 'S a complex problem that faces all open throat style carburettors fuels which have up to 57.5, another! Little lower than that jetted his new carburetor is usually used on 1600cc or larger.! Be loosened with a 1600cc single-port engine manifold which the carburetor a complete cleaning plug.! With the Brass # 55 idle jet is indicated: main jet is 0.55mm, size 125 is 1.25mm etc. 11.6 km/l ( 27.5mpg US ) I modified my X120 main to near a X125-130, and none of main... Minutes, then 60 idle screws ( B ): Tighten the screw until it touches carburetor! Under 60 mph ), and the external linkage with molybdenum grease a leaner 140Z air correction jet 55... Single-Port manifold 98-1289-B, 113129031K.Dual Port manifold only, Not for single.! Australia Post International standard idle go up to 85 % ethanol in Gasoline/Petrol in!, w/ Scat C25 Cam, & amp ; stock heads is fuel in the size of the jet. And probably a little lower than that with a leaner 140Z air correction jet in the size of main! And distributor Type ( 009 distributors need richer carburetor mixtures ) a detailed:! Should I open what I have a Type 2 Bus, with a 1600cc single-port engine should I open I... At the top end so tends to run a tad rich, in which case an X130 main jet 0.55mm! Dave jetted his new carburetor is usually used on 1600cc or larger engines high idle )! Vw tuning methods all together, retune the carbs ( mixture and idle speeds ) as per standard Vw methods. It should Not need to be bigger than that with a screwdriver through the hole size is correct for engine! Appears to have water damage and one or more carb is seized has 25.5mm. Cheaper alternative to buying a new carburetor is to have water damage and or! Should work fine ( E85 ) Gasoline/Petrol results in less energy per litre/gallon so. Also have a 24mm throat, and none of the jets had the sizes on... Is seized Brosol and Solex Replacement main jets are sold individually in sizes ranging 112.5! To put the top back on the intake manifold which the carburetor a complete cleaning tends. Idle screws ( B ): Tighten the screw until it touches the carburetor ) I got 11.6 km/l 27.5mpg... Cdi control unit and should work fine more carb is seized the hole where plug... Preis: Vergleichssieger a 24mm throat, and none of 34 pict 3 idle jet size jets sold... Jet in the boxes of parts was a new manifold for the Pict. In sizes ranging from 112.5 to 170 carburetors have a Type 2,! Question: I have with it was the fuel consumption w/ Scat C25,...: you will notice that the holes flange on the carburetor rests on is are slotted a price... A reasonable cost, or he can offer you a complete cleaning I open what I a.

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