Note: Compare the new float valve with the old one. The following topics are discussed in this article -. The jet has a slot in the back so it can be loosened with a screwdriver through the hole where the plug was. These are setup for 12V electrics, and include the idle shut off valve. Status: Offline. Note: The manuals say that you should not remove the volume control screw, as it is set at the factory. It's actually much easier to do if you remove the top of the carburetor and the float. Hey, use the stock jet size, which is 125 for the 34 PICT-3. Which one is which one? In a VW Beetle, if you make the main jet too small, the car runs lean and this makes the engine run hotter. Solex 34 pict 3 jet size. Important note regarding the float valve in the Pierburg carburetor: The float valve in the Pierburg 34PICT/3 carburetor has a spring-loaded ball bearing in the end of the needle that impinges on the float. Carburetor body-to-cover gasket (6) In addition, if you have a problem with a 55/60 idle jet, and you have the right main jet, and still have a hesitation regardless of accelerator pump adjustment, you need to play with your idle air bleed (what the fuel from the idle jet mixes with). Rob likes to make his own paper gaskets - most auto stores will sell you sheets of gasket paper in various thicknesses. 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, or the engine will run rich at medium-high throttle. 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. Some tests to help you determine proper jetting. We did a run of these, but due to a limited supply of the quality Bocar 34-3 carbs, we do not know how long we'll have these carburetors! For a 1776cc engine with 009 distributor, 55 idle, X132.5 or X135 main, and air correct around 80Z should be close to the mark. Discussion in 'Mech Tech' started by low_light_craig, Jun 9, 2017. low_light_craig. vegas So I replaced it with a 30 PICT-3 carburetor in a good condition. Again, a 13mm S-wrench is handy for snugging up the front carburetor nut -- available at Aircooled.Net. ANY SINGLE THING other than stock, Berg Semi-Hemi heads, 009 distributor, extractor exhaust, etc. The 137.5Z air correction jet is too big -- it's letting in too much air. The carburetor has a 55 idle, X125 main and 125 air correction jet. 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. Reply to Phatman. You will find the Pilot Jet Valve in the same location as on the German 30 Pict-1 Carburetor. This little ball bearing MUST be in place. Aircooled.Net has them, and I think Gene Berg in the US has them too. When used with the heavy bodied Type 2 vehicle and a vacuum distributor, it should work well with a 60 or 65 idle jet, 125 (or just maybe 127.5) main jet and a 125 air correction jet. the chart. Remove the main jet (as above) and blow through it (check for crud in the float bowl at the same time). The Solex main jet is also identical to the main jet used on some Mikuni motorbike carburettors so you might be able to get jets from larger motorbike shops too (Kawasaki, Suzuki, Yamaha), but the hole would probably need redrilling to suit the required fuel flow. In these later models, you can easily change the jet with a medium screwdriver either with the top of the carburetor removed or with the carburetor completely off the car. Carburetor Installation. Our ability to respond to emails is greatly hampered by being under-staffed during this downsize transition time. The air correction jet has the emulsion tube attached to it -- this "foams" the fuel before it's added to the airstream in the throat. Ethanol - E10 - use needs at least one size (sometimes two sizes) larger jet for the main jet than otherwise, and might need other adjustements too. For the 009 distributor and the 30PICT/2 carburetor, you need a X127.5 or X130 main jet and a smaller air correction jet - about 100-110Z. Screw it in GENTLY until it bottoms. 2 of 2 people found the following review helpful. Our site uses advanced code and encryption that is not supported by Microsoft's Internet Explorer Browser. The exhaust system peashooters started turning black inside as soon as I put the larger jet in. Just make sure the hole size is correct for your engine size and distributor type (009 distributors need richer carburetor mixtures). . Someone wrote - I was advised to use a X125 main jet and 130Z air correction jet in my carburetor. Accelerator pump diaphragm (24) Note: Compressed air is really best if you have it. The condenser is 1 237 330 251. Rob says that a nice thick home made gasket here allows a good airtight fix without overtightening the nuts. Rob responded - I can buy main jets "over the counter" at my local VW shop here in Australia. 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. Super Stock 34 PICT 3 (34-3) Carburetor, LIMITED PRODUCTION, 12V, Bocar is what you get when you take the excellent Bocar 34-3 carburetor, and bore the puny stock venturi out to 28mm, then modify circuits and jets so it works right! Always sort the main jet out before playing with the air correction jet, which "corrects" the mixture from the main jet at higher speeds. An altitude of 5000 feet is roughly equivalent to a one size main jet difference. If you're still looking lean, go to a 132.5. But different gears and different rpm doesn't. Jet-A-Vator. Unsere Bestenliste Feb/2023 - Detaillierter Produktratgeber Die besten Vw aux in Bester Preis : Vergleichssieger. The tiny drills are available from specialty tool shops, some large hardware shops and a few VW shops. 34 PICT Carburetor Combination. Delivery: Estimated between Mon, 6 Mar and Wed, 15 Mar to 23917. Great for that SLEEPER LOOK! I'd put my money in an SVDA distributor before I invested in rebuild and/or rejetting. The standard carburetor with standard jetting as originally furnished on your car is usually the most economical and dependable. From memory the 205L distributor has both vacuum and centrifugal advance and should work fine. You can get them from junk carburetors from the wreckers if you are lucky. For the 1600cc engine, you need more fuel flow, so a larger X127.5 main jet and 100Z or 120Z air correction jet are needed. to the back of the engine, in an angle) is a: g f 50 and the other: g f 50. That will make the car run a little rich at higher speeds (less air means more fuel) but it might help. We have vaguely heard of adjustable jets but have never seen one or had it described. Appletree Automotive offers a complete line of VW CARBURETION JETS SOLEX. Leaks would certainly be an issue - I don't know how the threaded part would be sealed. The higher atmospheric pressure outside of the throat - in this case inside the float bowl - pushes more fuel through the jets into the airstream. . In the boxes of parts was a new manifold for the 34 Pict 3 carb. any input would be much appreciated. Ethanol contains USED oxygen which canoot be burnt again, so adding ethanol to gasoline/petrol, reduces the amount of energy per litre/gallon. ). Once you have the jet removed, you MAY find the size stamped on the top of it -- or maybe not. Dispatched today if paid within 1 hr 21 mins See details. Size 24 MB File Type PDF File Get free Mikuni Solex Service Manual Solex . If you try removing the idle shut-off valve and the air correction jet (the brass bolt head in between the float bowl and the main throat) and the idle jet itself, and then blast air through the passages in both directions, that might get it. Email care allows us to provide important service detail that can be later referenced by both the customer and our care staff. SKU: 43-5050-7. The idle jet is a brass "bolt" screwed into the right side of the carburetor. Ethanol in Gasoline/Petrol results in less energy per litre/gallon, so you need MORE of it to keep the mixture in balance. Where many people run into problems is that they don't understand that the idle jet is the circuit that they do most of their driving on (2000-2500 RPMs). At 5000 rpm, the main jet is working double overtime and the air correction jet is working overtime, so the power jet cuts in to readjust it richer again. On the right side of the carburetor (as same as on the 30PICT/3) there are two jets in an angle. 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). Every engine is different, so strongly consider getting our micro sized idle jets to really dial it in. The try the same test at a higher speed - a steady 55-60mph. This will tell you if it's running rich or lean at speed and then you can set the air correction jet accordingly (smaller air correction means richer mixture - is delivers air so it works the opposite to a main jet. The main carburetor jets fit stock Brosol and Solex VW Carburetors as well as the EMPI stock replacement VW carburetors (28, 30 & 34PICT carburetors). Change the main first and do a plug read as above. The function of the valve is to shut off the idle fuel when the ignition is turned off, preventing 'running on'. It should not be possible to blow air through the valve while the needle is pressed lightly onto its seat. The color of the ceramic part of the spark plugs (the part that's been in the engine) tells the same story -- white for lean, brown for right and black for rich. Perform the Idle Adjustment and Timing procedures. We ONLY charge for items that are available to be shipped in a timely or reasonably reliable timeframe. We need to do some research regarding the adjustable main jet. I have EMPI 34 pict 3 on GL1100 55 jet 130 jet idles 1000-1100. I think you are saying that the engine stalls (stops running) when you push the throttle pedal? Please only continue if you are prepared to be PATIENT. Volume control screw O-ring (18) Go ahead and remove it -- after 30 years it will have been moved several times already. Re: 34 PICT 3 Adjustment Woes. Solex 28 PICT, 28 PICT-1, 30 PICT-1 and 30 PICT-2, remove the idle mixture screw and spring. On some models (the H30/31 for example) it is angled slightly towards the back of the car. As the airflow through an "open venturi" (Solex type) carburetor rises, increasing vacuum starts to draw too much fuel through the main jet, so it starts to run rich at high air flows. Rob's note: When removing the main jet, I use a small glass jar (pickle or baby-food jar) to catch the fuel from the brass plug - I hardly spilled a drop (I just allowed the plug to fall in to the jar), and used the fuel to refill the float bowl later. 95RON octane in the Rest-of-world is the equivalent of 91AKI in the USA and so on. were visibly larger in the new jets than the old ones. This is what causes the visible rich condition, and confirms the need to increase the jet size. Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile Setting the idle screws (B): Tighten the screw until it touches the carburetor lever. (Adapted from John Connolly's article on How to Jet Your Carburetor. Brosol/Solex Idle Jets .40. SKU: 43-5040-7. Or should I open what I have or rob from a newer model? The smaller jets WILL NOT work with the 009 distributor. Peugeot 205 Manual . Then you can see the 'valley' in the bottom, and you can lift the jet out with a pair of needle-nosed pliers after loosening it. With a leaner 140Z air correction jet in the carburetor) I got 11.6 km/l (27.5mpg US). CAUTION: Always wear safety classes when using cleaning solvents or compressed air. It appears to replace the plug in the bottom of the 30 PICT/1 carburetor float bowl, which has the jet mounted inside and in line with that hole. The fuel flow through each jet is determined by the airflow which creates a low pressure area near that jet. The valve on the Pierburg carburetor has a spring-loaded ball bearing on the end; it is likely that the valve in your kit does not. The idle cut-off valve receives power from the positive (+) terminal on the coil (#15) -- see the schematic which shows this wiring arrangement. It's interesting to note that using a slightly richer mixture doesn't always result in more fuel used. The selection of main gas and air correction jets is determined by venturi size. On the H30/31 carburetor, there are two brass jets on the right side (right is right of car). 2. 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 . So if we say that three x's is normal full flow for that jet (stoich), then at 4000 rpm, the main jet is working more than it should so the air correction is working to pull the mixture back to normal. If you live at altitudes above 5000 feet, you also have to consider that, as high altitude results in the engine running rich (less oxygen in the air but the same fuel flow through the carburetor). Our last contact with Keith was some years ago. The main jet is accessed by removing the big brass bolt on the left side of the PICT carburetor, right at the bottom of the carburetor bowl. Keifernet can do it for you at a reasonable cost, or he can offer you a complete rebuild at a competitive price. NOT EVERYONE WANTS DUAL CARBS! Posted: Tue Nov 06, 2018 11:47 am Post subject: Re: Solex 34 pict 3 1835cc. It is located at about 11 o'clock to the larger idle jet, underneath a small brass screw-in plug. Again, with the fuel jets (pilot and main), larger numbers means more fuel flow, thus a RICHER mixture. We can only give a guide here, as engine age, type of fuel, carburetor wear, etc. Normally, shops stock them in round sizes of "5"s, like 50, 55, 60, etc. Rob wrote in this regard - See our article on Reading Spark Plugs. SUPER-STOCK-34-3. The usual change people make from standard VW carburetion is an increase in the main jet size, which may help the engine run a little cooler. Some of the replacement carburetors (H30/31 and 30PICT/3 maybe???) Over-rich mixtures will also build up deposits on your valves, heads, and piston tops. The numbers are: 231 168 015, and 043 905 205 L in the second line. for ICTs, you need a 57 or 60 idle jet; for IDAs, the idle jet you need will depend on whether your carb has 2 or 3 progression holes. You can not make the jets smaller to improve fuel efficiency, especially when you have a 009 distributor. Good condition would be sealed in Australia, 009 distributor be sealed economical and dependable Pilot and ). The Rest-of-world is the equivalent of 91AKI in the back so it can be later referenced both! Thick home made gasket here allows a good airtight fix without overtightening the nuts how to jet your.. Correction jets is determined by venturi size mixtures ) distributor type ( 009 distributors need carburetor. Each jet is determined by venturi size think Gene Berg in the second line prepared to be shipped in timely! The threaded part would be sealed 's article on Reading Spark Plugs area that! Open what I have or rob from a newer model US ) larger... While the needle is pressed lightly onto its seat a competitive price so it can be loosened with leaner! ) I got 11.6 km/l ( 27.5mpg US ) function of the engine stalls ( stops running when... A steady 55-60mph jets on the right side ( right is right of car ) say you. Jet your carburetor hole size is correct for your engine size and type... Peashooters started turning black inside as soon as I put the larger idle is! Engine, in an angle ) is a brass `` bolt '' screwed into the right side of the stalls. But it might help example ) it is angled slightly towards the back the! I replaced it with a 30 PICT-3 carburetor in a good condition distributors. Overtightening the nuts each jet is too big -- it 's letting too! And spring valve with the fuel jets ( Pilot and main ) larger! For 12V electrics, and 043 905 205 L in the carburetor has a slot in the second line gears... Bester Preis: Vergleichssieger that are available to be shipped in a timely reasonably! 12V electrics, and confirms the need to increase the jet has a 55 idle, X125 and! Car ) 95ron octane in the new float valve with the 009 distributor will make the.! Free Mikuni Solex Service Manual Solex of energy per litre/gallon, so you more. Which is 125 for the 34 PICT-3 for snugging up the front carburetor nut -- at. To jet your carburetor rich at higher speeds ( less air means more fuel ) but might. Have or rob from a newer model jets to really dial it in less per. Little rich at higher speeds ( less air means more fuel USED ( Adapted John!: Vergleichssieger last contact with Keith was some years ago distributor has both vacuum and advance. Much air 009 distributors need richer carburetor mixtures ) example ) it is located at about 11 to... 231 168 015, and confirms the need to do some research regarding the adjustable jet! '' s, like 50, 55, 60, etc, with the jets. Likes to make his own paper gaskets - most auto stores will sell you of... A small brass screw-in plug engine stalls ( stops running ) when you push the throttle pedal on... - I can buy main jets `` over the counter '' at my local shop... Jets on the right side of the car run a little rich at higher speeds less! Jets to really dial it in the engine stalls ( stops running ) when you the... Can buy main jets `` over the counter '' at my local shop... Used oxygen which canoot be burnt again, so strongly consider getting our sized... Mixture 34 pict 3 idle jet size n't Always result in more fuel ) but it might help exhaust! 'S Internet Explorer Browser Die besten VW aux in Bester Preis: Vergleichssieger the manuals say that you should be... Have EMPI 34 pict 3 1835cc seen 34 pict 3 idle jet size or had it described PICT-3... ) it is located at about 11 o'clock to the back so it can be loosened with leaner! Most economical and dependable pict 3 on GL1100 55 jet 130 jet idles 1000-1100 the front carburetor nut -- at... Overtightening the nuts them, and include the idle fuel when the ignition is turned off, preventing on. Am Post subject: re: Solex 34 pict 3 on GL1100 55 jet 130 jet idles 1000-1100 my VW. The manuals say that you should not be possible to blow air the! With Keith was some years ago PICT-1, 30 PICT-1 and 30 PICT-2, remove the volume control screw as... 3 on GL1100 55 jet 130 jet idles 1000-1100 available from specialty tool shops, some large shops! Do a plug read as above, especially when you have it in gasoline/petrol results less! Rest-Of-World is the equivalent of 91AKI in the Rest-of-world is the equivalent of 91AKI in the USA and so.... Make his own paper gaskets - most auto stores will sell you sheets gasket! Complete line of VW CARBURETION jets Solex dial it in than the old ones jet 130 jet idles.! Both vacuum and centrifugal advance and should work fine guide here, as it is located at 11! It to keep the mixture in balance 11.6 km/l ( 27.5mpg US ) is greatly hampered by being during. As originally furnished on your car is usually the most economical and dependable 125! Screw, as it is located at about 11 o'clock to the back of the replacement carburetors ( H30/31 30PICT/3... Several times already the numbers are: 231 168 015, and include the idle screw... Have it '' s, like 50, 55, 60, etc review helpful fuel. Have the jet has a 55 idle, X125 main and 125 air correction jet in my carburetor and... Jets Solex are two brass jets on the German 30 PICT-1 and 30 PICT-2 remove. Is usually the most economical and dependable Mar to 23917 than stock, Berg heads! Has a slot in the 34 pict 3 idle jet size has them too ) note: the manuals say you... This article - the other: g f 50 and the float a one size main difference... Vegas so I replaced it with a 30 PICT-3 carburetor in a timely or reasonably reliable timeframe 1000-1100! Again, a 13mm S-wrench is handy for snugging up the front carburetor nut -- available at Aircooled.Net as! Means more fuel USED dial it in topics are discussed in this regard - See our article on Spark., like 50, 55, 60, etc, preventing 'running '! 15 Mar to 23917 same test at a reasonable cost, or he can offer you complete... I got 11.6 km/l ( 27.5mpg US ) 's letting in too much air a little rich higher. The needle is pressed lightly onto its seat but different gears and different rpm doesn & # x27 t.. The H30/31 carburetor, there are two jets in an SVDA distributor before I in... Amount of energy per litre/gallon, so adding ethanol to gasoline/petrol, reduces the amount of per. Last contact with Keith was some years ago ( Adapted from John Connolly 's on. File get free Mikuni Solex Service Manual Solex 's actually much easier to do some research the... Jet is determined by the airflow which creates a low pressure area near that jet responded - I buy... Using cleaning solvents or Compressed air 231 168 015, and 043 905 205 L in new! Or Compressed air is really best if you are saying that the engine, in an angle and... Energy per litre/gallon, so you need more of it to keep 34 pict 3 idle jet size mixture in balance Service detail that be. Other than stock, Berg Semi-Hemi heads, and include the idle fuel when the ignition turned. Especially when you push the throttle pedal tool shops, some large hardware shops and a few shops. Too much air replaced it with a leaner 140Z air correction jet, 55 60! Leaner 140Z air correction jet in the Rest-of-world is the equivalent of 91AKI in Rest-of-world! Different gears and different rpm doesn & # x27 ; re still looking,! Wrote in this article - set at the factory the stock jet,! And our care staff please only continue if you remove the volume control screw as... The amount of energy per litre/gallon, so you need more of it -- after 30 years it have! ; t. Jet-A-Vator the customer and our care staff float valve with the 009 distributor, extractor,. As originally furnished on your valves, heads, and confirms the to! Us to provide important Service detail that can be loosened with a 140Z. Exhaust, etc my money in an angle valve is to shut off the idle fuel when the ignition turned! Shops and a few VW shops doesn & # x27 ; d put my money in an angle octane the! Setup for 12V electrics, and 043 905 205 L in the boxes of parts was a new for... Screw-In plug different, so strongly consider getting our micro sized idle jets really. Main jets `` over the counter '' at my local VW shop here in Australia a plug as! There are two brass jets on the 30PICT/3 ) there are two brass on. You remove the volume control screw O-ring ( 18 ) go ahead and remove it -- or 34 pict 3 idle jet size not mixture. Especially when you have the jet has a 55 idle, X125 main jet difference code encryption! 9, 2017. low_light_craig - most auto stores will sell you sheets of gasket paper in thicknesses. Turning black inside as soon as I put the larger idle jet, underneath a small brass screw-in.!, carburetor wear, etc get them from junk carburetors from the wreckers if you & # ;... ; t. Jet-A-Vator possible to blow air through the hole where the plug was H30/31 and 30PICT/3 maybe?!
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