The Progressive set-up is an excellent combination of performance, drivability, and economy. Quality control for replacements is not as good as that which was on the original Solex carbs, so you take your chances and should expect a lemon to pop up now and again. Crossbar linkage PUSHES the throttles open from above the carburetors. I have no experience with the 34 ICTs. Parts for the ICTs can be more difficult to come by than the more commonly used 2BBL DRLA and IDF. There are still a number of these ones still floating around, but if you plan on disassembling this particular carb, you’d better hope that you have as many arms as an octopus, an IQ over 130, and the dexterity of a brain surgeon…and I’m not kidding! Aircooled Volkswagen enthusiasts have quite a few carburetor options. Budget VW Carburetor setup (custom throttle slide) - YouTube I've used all those carbs, yes they all will work well and they will add more power, but hands down in my opinion, 36 dellorto would idle the smoothest and easy to maintain and they won't wear out over time, and you could utilize them if you were ever to go a bigger engine. Just throwing on duals leaves a lot on the table. Save yourself some grief and run filters, and just avoid these complications altogether. The original engine was another 1600, though "warmer" with an Engle 110 cam, CW crank and lightened flywheel. References to "VW" and "Volkswagen" "Bug" "Beetle" "Ghia" "Thing", and other trademarked terms are for descriptive purposes only. Have been running this engine and carb setup as a spare for 10 years. Here’s a little side note about intake manifold length. Weber also made a replacement carburetor, and it was quite popular and available in the 80s’ – much more so than now. Why? How to Set the 34Pict/3 Carburetor on an Aircooled Volkswagen (Vw) Beetle. • Garret … 90% of the time, off road applications should use a centermount system. PROGRESSIVE carburetors used on VW’s are mechanical secondary carburetors. You will hear some guys reporting and complaining about 8-12 MPG, but I can guarantee you that their carburetors are jetted improperly. Price: ... Best … Contact us at permission@aircooled.net for permission BEFORE YOU REPUBLISH, 2. When faced with deciding on the type of carburetor set-up you should run, most people could use some clear-cut details and general clarification. The Non-Progressive carburetor set-up tends to sacrifice drivability and economy in favor of performance. Strong running engine got it at steal as it was stuck but I could tell by looking motor was new . In addition to this, dual carbs are mounted on the outside of the car, where they are vulnerable to getting hit with debris. Because a very worthwhile Weber set would be the pair of dual-throat 40 IDF, or the clone HPMX. Be careful when buying your carb kit, since many kits have inadequate manifold heating, or none at all! And there is almost no power increase compared to a stock single carburetor because these carburetors are so small! KIPA Carburetor For VW Beetles Super Beetles 1971-1979 Dual Port 1600cc Engine 12V Electric Choke 34 PICT-3 Volkswagen Bug Bus Thing Karmann Ghia Squareback Transporter, OEM # 113129031K 98 … They are similar to the IDF and DRLA in appearance and function. Considering the Empi HPMX 40 dual carb set: My stock 1600 DP has genuine Weber 40 IDFs with 28 mm venturies, 45 idles, and 115 mains. A dual 34 carb kit, put the carbs outboard on top of the head, two air cleaners (replaces the carb and manifold) Comes complete with two New 34 PICT carburetors, manifold adapters, linkage, chrome air cleaner, hardware kit. Hopefully this extensive run-down on VW carburetion has helped you make your carburetion system decision, and we’ll be hearing from you soon! 2x the jets and venturis. For a straightforward pair of dual carbs on a stockish engine, Kadrons are my favorite. When it’s clogged, your car will run erratically, and then you have to chase down the problem. ALL centermount applications require intake manifold heat to perform properly in cool weather. A key difference to note between a centermount application and a dual carb set-up using the “same” carburetor is that, by comparison, the carb in the centermount is jetted slightly richer on the idle circuit. Aircooled.Net is not affiliated with Volkswagen AG or Volkswagen of America, Inc. or any of its subsidiaries. This is partly because they are supplied from the factory with generic jetting often not suited for the VW engine, and also partly because the jets can be difficult to access. You are limited to around 100 HP with these carbs. With our 1500 single port down for the count, I turn to a friend who gifted me this 1600 Dual Port that's been sitting in a field for 15 years. A stock VW carburetor is proportionally small in relation to VW engine size when compared to most (if not all) other car makes. Stock crank,90.5,pistons,engal 110 cam,will go with cb performance 1442 heads. It comes in 36, 40, 45, and 48 mm sizes. Originally Posted: Sept 10,2010Last Updated: July 7, 2013. Type 3 VW 1500s 1600 Complete Dual Port Carb Setup With Tins & Air Cleaner. Weber IDF Carburetors and EMPI HPMX Carburetors are popular performance additions to vintage air-cooled VW bugs, buses, sand rails and dune buggies. You may hear about the Holley BugSpray carburetor periodically. But those are much more expensive, and take up more room in the engine compartment making it difficult to reach the spark plugs. This is because of fuel condensation issues. STOCK: As you might expect, a stock carburetor … First vw engine. Linkage usually falls in one of two categories: Centerpull and Crossbar. Email response times for simple inquiries are often quick (within hours), but if we need to look up info or get product ETAs for you, please allow for 1-2 business days to receive a reply. The Solex 30/31 is one of these carbs. These can work very well, but I’m not a fan of their linkage (a form of the centerpull) – and they don’t give you the option of crossbar. Carburetors meter both fuel and air, and many of the passages and jets are very small — it doesn’t take much to clog one up. It will show jet sizing for everything from a VW 1600 CC engine to a VW … Gene Berg linkage, 009 distributor, and 1 3/8" quiet pack header. We serve the VW parts and VW Tech needs of owners of aircooled Type 1 VW Beetle, Karmann Ghia, Type 181 Thing, Type 2 Volkswagen Bus, Type 3 VW Squareback / Fastback / Squareback, and Type 411 & 412 Volkswagens. A mechanical secondary carburetor opens in relation to throttle position. So choose your poison. Posted: Sun Aug 23, 2020 7:47 pm Post subject: Re: Best dual carb setup near stock 1500/1600: I went with Kadrons on my 1970 1600 SP - mainly because I like their "period hotrod" look … Engine runs excellent and pulls smoothly. This is a performance carburetor package: Cruises … Stock 72-74′ busses used a similar carburetor, but these carbs were horrible to work with even when they were new! Its a bitch getting to #3 plug with Kads. These carburetor kits can take a lot of time – up to 8 hours – to dial in for your particular car. You are REQUIRED to keep your republished version of our work UPDATED WITH ANY CHANGES MADE TO THE ORIGINAL. The mixture might even be a bit rich, since after a cold start, the engine idles after about 5 seconds without any gas pedal pumping. Kadrons: These are Brazilian built Solex carbs. We also installed a 1-5/8" exhaust system (don't do this on a dual port!) VW engines are notoriously under carbureted by nature of the original design. Racecars are the exception! I'm looking at dual solexs or kadarons I don't want no tuning headaches etc just a little more ump .I have read and talked to many people with webers and they don't like them to many problems or is there a single carb set up that will do what I want . Intake manifolds come as part of a dual carburetor kits (in almost all cases). You should not use them for an off road car, even in a centermount application, as they will flood easily (their fuel level control is not very effective). So I was wondering what would be that best dual carb … Yes, I agree kadrons are the best all around for that. You can get away with one but connecting two makes it that much smoother. Carburetor System Options. With the crossbar linkage, throttle position is virtually unaffected by engine temperature and the associated growth/contraction, so it’s more consistent in it’s operation. This is why adding 1.4 rockers to a stock engine along with dual kads or dual 40's really wakes it up. In my experience, the aluminum linkage can seize or strip, since the down rod threads are so small and aluminum is soft. Street and race use only. They do not have much of a progression circuit (they only have two progression holes where the IDF has four), so in unmodified form, they are either off (idle) or on (full throttle)! and fixed some oil leaks by replacing the stock pushrods with sprig-loaded pushrods. The Progressive set-up uses a small primary barrel, allowing for excellent drivability and mileage. These will not flood like the DCNF. Most people don’t realize that carbs as they are supplied from the factory are assembled, but NOT set up. Please only contact us by PHONE if you are unable to email for some reason, or if your situation (or tech question) is impossible to convey in writing. However, venturis are expensive, so it’s best to get close from the outset! All product names used on this site are trademarks of their respective companies, and are used with permission. NON-PROGRESSIVE systems usually use a Dellorto DRLA or Weber IDF or DCNF 2BBL carburetor. Right now I'm running a stock 1600 DP in my Baja Bug. Jetting for Centermount v. Dual Carburetor Systems. Appletree Automotive offers a complete line of VW CARBURETION DUAL CARBURETOR KITS. We can help you soup up your 1600cc, or build the VW powerplant of your dreams. Item Information. The power peak between “shorter” and “longer” is between 300-500 RPM’s — not enough to lose sleep over. Quality machine shops like RIMCO can repair this condition, at a reasonable price, but some carburetors (specifically the 34 PICT) just don’t rebuild well, and you are better off to replace them. Weber IDF: This is the most widely used aircooled VW carburetor, and the one we recommend in almost all cases. The best setup I have found was using a vacuum distributor with the vacuum pipe out to a t-piece and then to both carbs. … He writes 15/1600 base engine, so personally I assume sgl port. Read our VW Carburetors 102 article on VW Carburetor Jetting for more info on jetting theory and procedure. Damn near impossible with IDFs. If you do go with kadrons the best thing I can recommend is to throw the stock linkage aside and install a quality set of aftermarket linkage. But, they are still appropriate for stock-type use. The correct idle speed is important with the 34PICT/3 carburetor, which is more complicated than the earlier types. System is the most power project car EMPI carburetor kit two barrel progressive carburetor windows ( access panels the... In appearance and function that means they accounted for the driver of a dual carburetor with! Systems of all types – you must always run air filters, sand rails and dune buggies HP... It set up ; a 45mm Dellorto is equivalent toa 40 mm ;! 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