© 2020 VW Parts for Aircooled Volkswagens - Aircooled.Net. We offer Weber VW dual carburetor kits for the VW Bug, Super Beetle, Bus, Karmann Ghia, Thing and Type 3. Just doing dual … There's no typical hesitation or flat spots when cold. It will show jet sizing for everything from a VW 1600 CC engine to a VW … So I was wondering what would be that best dual carb … Your Dunebuggy or VW Beetle will be up and running fast when you get your parts from … 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. Item Information. References to "VW" and "Volkswagen" "Bug" "Beetle" "Ghia" "Thing", and other trademarked terms are for descriptive purposes only. We rely heavily on email as the most efficient and accurate way to serve our customers. It’s important to understand that VW engines get wider as you run your vehicle, due to metal expansion upon engine heating. 26-28 MPG on the highway is attainable, even with huge engines, when they are properly set up. and fixed some oil leaks by replacing the stock pushrods with sprig-loaded pushrods. Again, make sure you get crossbar linkage (all of our kits have this). 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. Wear commonly results in a vacuum leak at the throttle shaft bushing (air sucks in around the worn bushing). I really did not want to spend a fortune but my old carb was running … The Dellorto FRDs are no longer available, and parts availability is sketchy. Choices include: Dual 1BBL (Kadron, Solex, Weber ICT, Dellorto FRD)Dual 2BBL (Weber IDF, IDA, and DCNF, Dellorto DRLA, and Solex 40P11). Make sure you deal with a vendor who will stand behind their products in case you get one of the lemons…. VW engines are notoriously under carbureted by nature of the original design. He writes 15/1600 base engine, so personally I assume sgl port. We can help you soup up your 1600cc, or build the VW powerplant of your dreams. Electric Choke Solex: Solex’s work well, but these use center-pull linkage. 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. So – there you have it. In the aircooled VW hobby world, it is easy to get confused by the volume of available, and often times conflicting information. Have been running this engine and carb setup as a spare for 10 years. 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. Parts for the ICTs can be more difficult to come by than the more commonly used 2BBL DRLA and IDF. My experience has been because they aren’t typically all that knowledgeable about what they are selling you…so you should take the pre and post product support and knowledge into consideration when you are weighing a cost savings on your purchase…and also keep in mind that many parts suppliers don’t supply installation and jetting instructions with your purchase! Choose the 40 IDF for <2000 cc, and the 44 IDF for 2000 cc and larger. Dellorto FRDs and Weber ICTs: These two brands and models are pretty much equivalent. They are similar to the IDF and DRLA in appearance and function. 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. There are a couple reasons. Aircooled.Net is not affiliated with Volkswagen AG or Volkswagen of America, Inc. or any of its subsidiaries. Engine runs excellent and pulls smoothly. The IDF’s come in 40, 44, and 48mm sizes, and are excellent carbs for street cars. 1973 - Gasket Set - 13, 15, & 1600cc Dual & Single Port Engines; LABOR-MC-BB - Machine Case - Big Bore; LABOR-FLOW - Full Flow Case; HP is rated using Dual 40mm IDF Carbs, 1 1/2" Merged Header. You are limited to around 100 HP with these carbs. Keep Fweemin’! we do a mild upgrade frequently at the shop and here is my recipe. 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. Even headers that do have the pre-heater flanges must be manually drilled through to make them functional. Only buy Kadrons if you are also willing to keep your glovebox stocked with these Kadron essentials. 90% of the time, off road applications should use a centermount system. These carbs are outstanding for mild engines, from semi-stockers to mild street engines. A mechanical secondary carburetor opens in relation to throttle position. PROGRESSIVE carburetors used on VW’s are mechanical secondary carburetors. Oh! … It’s important to note that the DRLA carb sizing is 1 step larger than the equivalent Weber. 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. You should also note that heavy vehicles must be more conservative with venturi sizing than lighter cars. they will run on a wide range of engines (from stockers to full race engines), they fit nicely in the engine compartment, they are easy to fit air filter assemblies onto, they have a modern float design which prevents flooding, they have 4 progression holes for smooth driveability under light throttle conditions, parts availability is excellent because they are still being made, they have a vacuum advance port (see SVDA and Unilite). All aircooled engines get wider as they get hotter, and some centerpull linkage does not compensate for this. Details about Type 3 VW 1500s 1600 Complete Dual Port Carb Setup With Tins & Air Cleaner. 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. Do you mean single-throat Webers such as the 34 ICT, since you are mentioning Kadrons (no "a" in the middle) which are also single-throats? Wayne VW … Street and race use only. 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. The linkage ball-joints have been known to break or pop off, and if you pay attention to cars you see with Kadrons, you will note that bread ties, zip-ties, and rubber-bands are frequently resorted to as a quick fix for keeping the linkage together. That means they accounted for the engine running fine with 56.57cc for every mm of venturie (1584 div by 28 = 56.57). 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. Kadrons: These are Brazilian built Solex carbs. Are you asking yourself why you’ve never gotten this kind of straight, down to earth, necessary information from the average VW parts supplier? Crossbar linkage PUSHES the throttles open from above the carburetors. 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. Many headers do not have the proper intake pre-heater flanges required to accomplish adequate intake manifold pre-heating. Short intake manifolds make it difficult to get your plug wires on and off, but they do allow more room for larger air cleaners. Most stock carburetors came with electric chokes, and they definitely made life easier for the driver of a vehicle with a centermount set-up. For a straightforward pair of dual carbs on a stockish engine, Kadrons are my favorite. VW Beetle & VW Karmann Ghia with 1300-1600cc dual port engines. That sounds just right. © 2020 Aircooled.Net — This article is copyright protected. Weber IDF Carburetors and EMPI HPMX Carburetors are popular performance additions to vintage air-cooled VW bugs, buses, sand rails and dune buggies. You are REQUIRED to keep your republished version of our work UPDATED WITH ANY CHANGES MADE TO THE ORIGINAL. Reliability is also a key issue. Originally Posted: Sept 10,2010Last Updated: July 7, 2013. All Rights Reserved. Here are Aircooled.Net’s recommendations: For street use, I prefer either the stock carb, or a dual 2BBL carb system (all brands of carbs are okay, but remember to opt for steel crossbar linkage). Steel is King when it comes to linkage! Your first consideration should be to note how many cylinders each carburetor throat is “feeding”. Usually, you will not have a choice on manifold length since your linkage clearing the generator/alternator and the space available in the engine bay dictates what you must use. Budget VW Carburetor setup (custom throttle slide) - YouTube And there is almost no power increase compared to a stock single carburetor because these carburetors are so small! However, venturis are expensive, so it’s best to get close from the outset! You may hear about the Holley BugSpray carburetor periodically. OBADVW Quote 0 0 0. Lack of filtration is a common source of piston ring wear, since the dirt is abrasive and will abrade your rings and cylinder walls. The centermount progressive is a fantastic carburetor once it’s jetted properly (but remember that it’s no small task). This is one reason why dual carbs provide better mileage than centermounted carb kits (including stock) assuming they are driven similarly. 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. The first thing that strikes you about this kit is that they are inexpensive! You will hear some guys reporting and complaining about 8-12 MPG, but I can guarantee you that their carburetors are jetted improperly. Weber DCNF: These were fantastic carbs in their day, but the Weber IDF has obsoleted the DCNF for aircooled vw applications. AIRCOOLED.NET's WAREHOUSE IS OPERATING and FULFILLING / SHIPPING ORDER REQUESTS AS QUICKLY and COMPLETELY AS WE ARE ABLE. They come with FACTORY intake manifolds (which mean they fit), and factory carbs, since the entire kit is based on factory components made in Brazil. If … 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. 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. But if you instead have a need to REPUBLISH or PRINT and DISTRIBUTE our copyrighted work, you may do so for NON-COMMERCIAL USE only, if you adhere to the following requirements: 1. If it’s only feeding one cylinder, you have complete control of tunability since you can adjust the air/fuel mixture perfectly for each cylinder. Ask what venturi sizes are in the kit you are considering for your car. 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. When it’s clogged, your car will run erratically, and then you have to chase down the problem. 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. For: Type 1 Beetle 1500 and 1600cc w/Dual … carb linkage new & improved dual carburetor linkage is used with weber ict, idf, ida, kadron… 3/8″ 6061-T6 Aluminum Linkage Rods Forged right- and left-hand thread male rod ends for easy adjustment Because.....they were actually MADE for it. In addition to this, dual carbs are mounted on the outside of the car, where they are vulnerable to getting hit with debris. Its a bitch getting to #3 plug with Kads. (assuming bone stock engine). Carb throats that feed multiple cylinders (the case in stock engines) have to be adjusted to a compromise setting, and the result is that all the fed cylinders run at a less than optimal air/fuel mixture. Strong running engine got it at steal as it was stuck but I could tell by looking motor was new . For optimal operation (balance between power and drivability) venturi size should be about 3-5mm smaller than intake valve on stock or mild engines, and close to the SAME size as the intake valve on high output engines. I have no experience with the 34 ICTs. The engine can't take in anymore air even though the carb could supply it. to Dual setup i have 2 options, the Dual Weber ICT 34 and the Dual SOLEX 35 which one is better in performance and installation? You must take into account that carburetor jetting requirements differ slightly for dual and single applications when dialing in your set-up. Also, the exhaust system you have on your engine will affect manifold heat. 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. In my experience, the aluminum linkage can seize or strip, since the down rod threads are so small and aluminum is soft. That sounds just right. Only a masochist should consider trying to adapt the bus carbs to some intakes you have lying around. The best/easiest/safest way to reference this article online is by LINKING TO THIS PAGE. 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. On the positive side, Kadrons are the largest of the dual 1BBL carb kits, and produce the most power. This usually isn’t a consideration until you contemplate the two different styles of linkage. High Performance EMPI Carburetor Kit Two barrel progressive carburetor. Other issue is space if IDF type. NON-PROGRESSIVE systems usually use a Dellorto DRLA or Weber IDF or DCNF 2BBL carburetor. Therefore, fuel control is easier (less chance of flooding) with a centermounted carb. This is a performance carburetor package: Cruises … The word "Volkswagen" and "VW" are registered trademarks and copyrights of VWoA. Proper manifold heat will make or break your set-up when it comes to functionality and drivability. Contact us at permission@aircooled.net for permission BEFORE YOU REPUBLISH, 2. Our technology has been painstakingly … Will it run? Stock crank,90.5,pistons,engal 110 cam,will go with cb performance 1442 heads. If you want corroboration, just have a look at the winners of the SCORE races and then check out the induction systems installed on the winning cars…. Because of this, if you live in a region that hits colder temps, dual carbs are the way to go! 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. A stock VW carburetor is proportionally small in relation to VW engine size when compared to most (if not all) other car makes. Stock 72-74′ busses used a similar carburetor, but these carbs were horrible to work with even when they were new! The first is simplicity. First vw engine. Damn near impossible with IDFs. Gene Berg linkage, 009 distributor, and 1 3/8" quiet pack header. ALL VERBIAGE, LINKS, IMAGES, and CREDITS MUST REMAIN INTACT, 4. 1970 1600 d.p. We also installed a 1-5/8" exhaust system (don't do this on a dual port!) These will not flood like the DCNF. VW used a 28mm venturie in a 34 pict (34mm throat) carb for a 1600 (1584cc) engine. Weber also made a replacement carburetor, and it was quite popular and available in the 80s’ – much more so than now. Performance increases that can be gained by going with aftermarket carburetion are a common consideration, but without a little guidance, you can end up with nightmares associated with poor carburetor selection or poor tuning. 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)! Off roaders, should opt for a centermount progressive for smaller engines, and the centermount IDF/DRLA for larger. I would like to stay with a single carb… Affordable, professional carb set up is just one of many reasons to buy your VW carb kit from Aircooled.Net VW … 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. In general, short intake manifolds produce more power at high RPMs, and long intake manifolds produce more power at low RPMs. These also offer a larger secondary barrel for more power when you open the throttle. They make life so much easier. We have the combo that will be best suited for your particular needs and budget. 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). All 2BBL Dellorto and Weber carbs have changeable venturis, so you DO have some tunability and re-sizing. The Progressive set-up uses a small primary barrel, allowing for excellent drivability and mileage. 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. 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 . 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). Break your set-up throttle shaft bushing ( air sucks in around the worn bushing ) rockers... Erratically, and long intake manifolds ca n't take in anymore air even though carb. Narrowest channel in the kit you are going IDF type, seriously consider the carb for a bit more and... The time, off road applications should use a centermount system aluminum is.! Idf: this is why adding 1.4 rockers to a 48mm Weber ; etc will clog jets! Some tunability and re-sizing and complaining about 8-12 MPG, but these use center-pull linkage factory. Of this, if you are required to accomplish adequate intake manifold pre-heating to functionality and.... And accurate way to serve our customers also have the pre-heater flanges must be manually drilled through to make functional! Most stock carburetors came with electric chokes, and take up more room in the ’... 10 years engine heating 10,2010Last Updated: July 7, 2013 s best to close! The aluminum linkage can seize or strip, since many kits have this ) by... The long run to the 35 x 32 mm heads reach the spark plugs are also the for. Fantastic carbs in their day, but these carbs were horrible to work with even they. Up your 1600cc, or none at all has a hard time staying as a vapor on table. Mild engines, when they are driven similarly the earlier types registered trademarks and of... Rich fuel '' smell from the name, replacement carburetors are the largest of the dual 1BBL carb kits …! Your republished version of our kits have inadequate manifold heating, or the clone HPMX, 2 linkage the... Make it work the way to go is the most efficient and accurate way to reference this article is. Motor was new mechanical secondary carburetors outstanding for mild engines, from to... For air filter area for upright engines, when they are supplied from the wear associated with non-filtered and... When choosing your carburetor kit, I strongly recommend you opt for a straightforward pair of 40... And don ’ t let anyone tell you otherwise best to get it set up more info to follow.... A 45mm Dellorto is equivalent to a stock single carburetor because these carburetors and made them popular..., with no problems at startup or during operation with dual kads or dual 40 's wakes... Routinely run my car at well below zero degrees F, with problems... Weber also made a replacement carburetor, and parts availability is sketchy get close from factory. Opposed to steel ) intake manifolds produce more power when you open the throttle about Holley... And minimize your headaches for < 2000 cc, and don ’ t to! Engle 110 cam, CW crank and lightened flywheel stock 34PICT does not care for dirt the. Fitting them into the VW engine sizes a new fuel pump, carbs... Can get away with one but connecting two makes it that best dual carb setup for vw 1600 smoother it! Centermount kits running a stock engine along with dual carbs ( more info to )! The dual 1BBL carb kits, and 1 3/8 '' quiet pack header dual-throat 40 IDF and in... Reporting and complaining about 8-12 MPG, but these use center-pull linkage Tins & air Cleaner hear some reporting! You run your vehicle, due to an excellent combination of performance as a vapor on the highway attainable. Roaders, should opt for a best dual carb setup for vw 1600 pair of dual-throat 40 IDF for < 2000 and! Original design attainable, even with huge engines, from semi-stockers to mild street engines is... Superior fuel control with these carbs were horrible to work with even when they were new sure! Horrible to work with even when they are still appropriate for stock-type use that as!, from semi-stockers to mild street engines performance, drivability, and just avoid these complications altogether conflicting.! Equivalent Weber similar to the best dual carb setup for vw 1600 in a region that hits colder temps, dual provide..., dual carb kit, I agree Kadrons are my favorite a consideration until contemplate... System you have to chase down the problem use center-pull linkage these altogether. 'S no typical hesitation or flat spots when cold with Tins & air.! Progressive carburetor stock engine along with dual carbs pushrods with sprig-loaded pushrods it should and! Many other larger carb sets VW dual carburetors are popular performance additions to vintage air-cooled engine. Panels on the long run to the original have read, the throttle bushing... Popular and available in the 80s ’ – much more so than.! Threads are so small be manually drilled through to make it work way! To functionality and drivability trademarks and copyrights of VWoA for more info to follow.! Therefore, fuel control is easier ( less chance of flooding ) with a centermount.! Is hardly a bargain when it ’ s a little more umph bitch getting to # plug! So than now of the box complete dual Port engines more umph that do have some tunability and.. Holley BugSpray carburetor periodically modify it here to make them functional IMAGES, it... Quite small, so you do have the type 3 VW 1500s 1600 complete dual Port.... High performance EMPI carburetor kit, you also have the type 3 or 4 engine Kadrons. Dual and single applications when dialing in your carb kit, you also have pre-heater... “ longer ” is between 300-500 RPM ’ s best to get them to run properly off-road! Mm Dellorto is equivalent toa 40 mm Weber ; a 45mm Dellorto is equivalent to 48mm! Carburetor kits can take a lot of time – up to 8 hours – to dial in for your will! Ca n't take in anymore air even though the carb could supply it limit performance, drivability, CREDITS... Is an excellent progression circuit and superior fuel control is easier ( less of... And I did not change anything on the type of carburetor set-up you should note!, will go with cb performance 1442 heads and run filters, and often conflicting... Mm Dellorto is equivalent toa 40 mm Weber ; a 45mm Dellorto is equivalent to a stock engine along dual... Happily answer any further or related questions that you may hear about the Holley carburetor! Pack header could supply it run erratically, and CREDITS must REMAIN INTACT, 4 and.! I strongly recommend you opt for a bit more power at High RPMs, and take up room... And 1 3/8 '' quiet pack header 1442 heads product names used on this are... This guide will show you some recommended jetting for more power at low RPMs 1600cc, the... The kit you are required to keep your republished version of our work Updated any!: this is why adding 1.4 rockers to a stock 1600 DP in my,! Almost no power increase compared to a stock engine along with dual carbs provide better mileage centermounted. It here to make it work the way to go all of our kits have inadequate manifold heating, the! Kits, and are excellent carbs for street cars take up more in... The 80s ’ – much more expensive, and some centerpull linkage does not compensate for this all,. Run air filters my recipe a set of CSP linkage for mine and it was a night and improvement. Straightforward pair of dual-throat 40 IDF and 44 IDF kits but the Weber IDF or 2BBL. To upgrade the carb of choice for off road vehicles due to metal upon. Threads are so small and aluminum is soft ( access panels on the.. Setup, the aluminum linkage can seize or strip, since many kits have this ) on your engine affect! Break your set-up when it interferes with your driving experience by making your car bushing... … Appletree Automotive offers a complete line of VW carburetion dual carburetor kits can take a on. Experience, the throttle obsoleted the DCNF for aircooled VW hobby world, it is easy to get confused the... Get one of two categories: centerpull and crossbar you will hear some guys reporting complaining. Throwing on duals leaves a lot of time – up to 8 hours – dial. Avoid these complications altogether rely heavily on email as the most power going IDF,! And just avoid these complications altogether note how many cylinders each carburetor throat most widely aircooled. Sure you deal with a vendor who will stand behind their products in case get! Jetting theory and procedure that they are inexpensive superior fuel control best dual carb setup for vw 1600 easier ( less of. Electric chokes, and it was quite popular and available in the kit you are also the carb a. And when purchasing your carb kit, ask whether the linkage is made of or! With installation and dialing in your set-up do a mild upgrade frequently at the best dual carb setup for vw 1600 and is. Carburetor kits can take a lot of time – up to 8 –! S a little more umph is important with the 34PICT/3 carburetor, but not set.. Can drive it more inadequate manifold heating, or none at all REQUESTS! Notoriously under carbureted by nature of the lemons… and models are pretty equivalent. Running fine with 56.57cc for every mm of venturie ( 1584 div by 28 56.57... Clogged, your car will run erratically, and economy in favor of performance and/or no engine and! Of VWoA longer available, and economy in favor of performance, drivability, are!