These are not widely used because chokes are not necessary on VW dual carburetor set-ups, and the inclusion of the electric choke makes this kit expensive. They are similar to the IDF and DRLA in appearance and function. Be careful when buying your carb kit, since many kits have inadequate manifold heating, or none at all! This is why adding 1.4 rockers to a stock engine along with dual kads or dual 40's really wakes it up. Ask what venturi sizes are in the kit you are considering for your car. We provide the classic VW hobby with tech tips, project advice, and quality parts for VW Restoration, VW Performance and Custom Aircooled VW projects. The IDF’s have many advantages over the other carb sets available: Dellorto DRLA: is essentially the same carb as the Weber IDF, just made by Dellorto. Just doing dual … Engine runs excellent and pulls smoothly. It was a decent performer in it’s day, but is essentially obsolete due to age and wear, and you aren’t likely to find one in good enough shape to rebuild or run. From what I have read, the stock 34PICT does not care for dirt and the off-road environment. I strongly suggest you pay the little bit extra for a good kit, unless you live in the hot desert where the manifold heat won’t be needed as often. • Throttle body from same mid 80s GM V6 adapted to stock beetle intake with a custom Bug carb flange to GM throttle body flange thing I made. There's no typical hesitation or flat spots when cold. Wear commonly results in a vacuum leak at the throttle shaft bushing (air sucks in around the worn bushing). They are very tunable, and the kits are reasonably priced at under $400, but we don’t carry them because of their linkage design faults. Stock 72-74′ busses used a similar carburetor, but these carbs were horrible to work with even when they were new! Stainless Steel Braided Fuel Line Kit, Weber IDF and Kadron, 1005-20 is a custom tailored Stainless Steel Braided Hose Kit will finish off your dual carburetor kit installation. The first thing that strikes you about this kit is that they are inexpensive! You can get away with one but connecting two makes it that much smoother. Gene Berg utilized these carburetors and made them very popular with VW hot-rodders. References to "VW" and "Volkswagen" "Bug" "Beetle" "Ghia" "Thing", and other trademarked terms are for descriptive purposes only. we do a mild upgrade frequently at the shop and here is my recipe. VW PROGRESSIVE CARBURETOR CONVERSION KIT. I got it unstuck it's in my daily driver now.It's the strongest running stock motor I've ever had in 50 + yrs of fooling with bugs. I really did not want to spend a fortune but my old carb was running … All aircooled engines get wider as they get hotter, and some centerpull linkage does not compensate for this. Proper manifold heat will make or break your set-up when it comes to functionality and drivability. So I've been neglecting my bug for a while and decided that this summer I will treat it to some new parts. Will it run? Aircooled.Net offers Carb Setup as an option when you buy your carbs from us, or you can use the procedure outlined above to do it yourself if you bought your carbs used or from somewhere else. ALL centermount applications require intake manifold heat to perform properly in cool weather. Filters do not limit performance, and don’t let anyone tell you otherwise. 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. We also installed a 1-5/8" exhaust system (don't do this on a dual port!) I saw some dyno results for a used 1600cc engine, before and after the dual-carb setup: a peak-to-peak gain of 13 HP! 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 power difference between a centermount and dual set-up is very small, and with the above noted advantages of running a single, it’s an easy decision to justify. A 36 mm Dellorto is equivalent toa 40 mm Weber; a 45mm Dellorto is equivalent to a 48mm Weber; etc. Don’t assume yours is ready to roll out of the box! VW engines are notoriously under carbureted by nature of the original design. 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. Crossbar linkage PUSHES the throttles open from above the carburetors. You are REQUIRED to keep your republished version of our work UPDATED WITH ANY CHANGES MADE TO THE ORIGINAL. These kits are not only great … 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! In addition to this, dual carbs are mounted on the outside of the car, where they are vulnerable to getting hit with debris. OBADVW Quote 0 0 0. Weber DCNF: These were fantastic carbs in their day, but the Weber IDF has obsoleted the DCNF for aircooled vw applications. I want to upgrade the carb for a bit more power and response. That sounds just right. That means they accounted for the engine running fine with 56.57cc for every mm of venturie (1584 div by 28 = 56.57). In my experience, the aluminum linkage can seize or strip, since the down rod threads are so small and aluminum is soft. Most people don’t realize that carbs as they are supplied from the factory are assembled, but NOT set up. Venturi size refers to the narrowest channel in the carburetor throat. There are a couple reasons. Lastly, a carburetor mounted in the center is going to get bounced around less then if it’s mounted on the outside of the car as the car is pitched side to side. 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. STOCK: As you might expect, a stock carburetor will make your vehicle perform as it did when new, assuming that the rest of your engine is also up to the task or in almost new condition. 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. Electric Choke Solex: Solex’s work well, but these use center-pull linkage. Strong running engine got it at steal as it was stuck but I could tell by looking motor was new . STOCK REPLACEMENT: As you probably guessed from the name, replacement carburetors are not original equipment. Linkage usually falls in one of two categories: Centerpull and Crossbar. The higher the engine speed under load, the worse the throttle response of a stocker. Racecars are the exception! I installed a set of CSP linkage for mine and it was a night and day improvement. Aluminum manifolds (for dual 1 BBL’s or for dual 2BBL’s) fit better, and conduct heat to the carburetors making the engine more driveable and eliminate icing problems. 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. The IDF’s come in 40, 44, and 48mm sizes, and are excellent carbs for street cars. ... (performance AND mileage) in the manifold runners when you use a single carb, as compared to a dual carb … How to Set the 34Pict/3 Carburetor on an Aircooled Volkswagen (Vw) Beetle. This guide will show you some recommended jetting for standard air-cooled VW engine sizes. Therefore, fuel control is easier (less chance of flooding) with a centermounted carb. Only a masochist should consider trying to adapt the bus carbs to some intakes you have lying around. Speaking of which — after you buy a set of carbs, we cannot emphasize enough how important it is to have your carbs PROPERLY set up. All product names used on this site are trademarks of their respective companies, and are used with permission. Save yourself some grief and run filters, and just avoid these complications altogether. VW used a 28mm venturie in a 34 pict (34mm throat) carb for a 1600 (1584cc) engine. The Solex 30/31 is jetted very lean, and often require a main jet upgrade to get them to run properly. All 2BBL Dellorto and Weber carbs have changeable venturis, so you DO have some tunability and re-sizing. Not an issue if you dont mind. You want to get in the ballpark from the beginning since re-jetting a set of dual 2BBLs can cost from $100-150, and take a fair amount of time. STOCK: As you might expect, a stock carburetor … It will show jet sizing for everything from a VW 1600 CC engine to a VW … … Cast Iron and Aluminum distributors rebuilt since 2000. http://www.thesamba.com/vw/forum/viewtopic.php?t=649622, http://www.thesamba.com/vw/forum/viewtopic.php?p=8115884#8115884, https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0, https://www.thesamba.com/vw/forum/viewtopic.php?t=435993, many people with webers and they don't like them to many problems. 2x the jets and venturis. Price: ... Best … Read our VW Carburetors 102 article on VW Carburetor Jetting for more info on jetting theory and procedure. Its a bitch getting to #3 plug with Kads. It’s not uncommon for jet sizes to “grow” from the wear associated with non-filtered air and fuel. Only buy Kadrons if you are also willing to keep your glovebox stocked with these Kadron essentials. 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)! Quality Parts and Tech Info for Classic Aircooled Volkswagen Enthusiasts, Request to Add an Item or Combine an Order, Request to Cancel [Either an Item or Order], Report PROBLEM WITH SHIPMENT [within 10 DAYS], Request RETURN AUTHORIZATION [within 30 DAYS], Initiate a WARRANTY CLAIM [timeframe varies by product], Get VW Project/Product Tech Help [Free via Email], VW Carb Tech 101: How to Select the right Carburetor Model and Linkage Style for your Aircooled VW, Stock Replacement (Solex 30/31, and Weber), Progressive (Weber DCAV, DCEV – “E” stands for electric choke), Non-Progressive (Weber IDF, DCNF or Dellorto DRLA). We offer different venturis and jets for those of you that want a little more umph. These also offer a larger secondary barrel for more power when you open the throttle. Lack of filtration is a common source of piston ring wear, since the dirt is abrasive and will abrade your rings and cylinder walls. They make life so much easier. These are also the carb of choice for off road vehicles due to an excellent progression circuit and superior fuel control! Centerpull linkage uses a “pivot” system towards the center of the engine, and when the gas pedal is pushed down, the linkage PULLS and/or pushes the carb throttles open. Your dreams power peak between “ shorter ” and “ longer ” is 300-500. S come in 40, 45, and are used with permission the all. And are excellent carbs for street cars chokes, and it was stuck but could... The carb could supply it must always run air filters are outstanding for mild,... Off roaders, should opt for aluminum ( as opposed to steel intake! 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