The engine can't take in anymore air even though the carb could supply it. The Weber ICT is a good carburetor (not great), but because of the 35mm Solex kit availability, we only recommend the ICT for Single Port Upright, Type 4, and Type 3 engines. Not an issue if you don’t mind. 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. However, venturis are expensive, so it’s best to get close from the outset! 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. Most stock carburetors came with electric chokes, and they definitely made life easier for the driver of a vehicle with a centermount set-up. Dual carbs require more complex linkage, and when you are talking about off-road use, this is just more parts to break or give you problems. Filters do not limit performance, and don’t let anyone tell you otherwise. Reliability is also a key issue. 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! Wayne VW … So I've been neglecting my bug for a while and decided that this summer I will treat it to some new parts. The Solex 30/31 is one of these carbs. Original VW carburetion relied on it because centermount set-ups can ice up if manifold heat isn’t available! i have 1974' 1303S beetle 1600 CC Dual port Engine with Bosch 009 Distributor, i want to change the stock carb. The original engine was another 1600, though "warmer" with an Engle 110 cam, CW crank and lightened flywheel. 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. In addition to wear, dirt WILL clog the jets on your carburetors! VW engines are notoriously under carbureted by nature of the original design. These also offer a larger secondary barrel for more power when you open the throttle. Type 3 VW 1500s 1600 Complete Dual Port Carb Setup With Tins & Air Cleaner. … 1970 1600 d.p. I really did not want to spend a fortune but my old carb was running … Only a masochist should consider trying to adapt the bus carbs to some intakes you have lying around. When faced with deciding on the type of carburetor set-up you should run, most people could use some clear-cut details and ... Centermount 1 Barrel Systems. • Garret … Condition: Used. References to "VW" and "Volkswagen" "Bug" "Beetle" "Ghia" "Thing", and other trademarked terms are for descriptive purposes only. In addition to this, dual carbs are mounted on the outside of the car, where they are vulnerable to getting hit with debris. 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 Crossbar linkage PUSHES the throttles open from above the carburetors. Save yourself some grief and run filters, and just avoid these complications altogether. And there is almost no power increase compared to a stock single carburetor because these carburetors are so small! 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. Again, make sure you get crossbar linkage (all of our kits have this). Weber also made a replacement carburetor, and it was quite popular and available in the 80s’ – much more so than now. High Performance EMPI Carburetor Kit Two barrel progressive carburetor. The linkage is very nicely done, we modify it here to make it work the way it should, and minimize your headaches. 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. Hopefully this extensive run-down on VW carburetion has helped you make your carburetion system decision, and we’ll be hearing from you soon! Budget VW Carburetor setup (custom throttle slide) - YouTube This is because of fuel condensation issues. Aircooled Volkswagen enthusiasts have quite a few carburetor options. Details about Type 3 VW 1500s 1600 Complete Dual Port Carb Setup With Tins & Air Cleaner. I have no experience with the 34 ICTs. Stock crank,90.5,pistons,engal 110 cam,will go with cb performance 1442 heads. 60 hp. It’s important to note that the DRLA carb sizing is 1 step larger than the equivalent Weber. When it’s clogged, your car will run erratically, and then you have to chase down the problem. Read our VW Carburetors 102 article on VW Carburetor Jetting for more info on jetting theory and procedure. These kits are not only great … 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. ALL VERBIAGE, LINKS, IMAGES, and CREDITS MUST REMAIN INTACT, 4. The power peak between “shorter” and “longer” is between 300-500 RPM’s — not enough to lose sleep over. Affordable, professional carb set up is just one of many reasons to buy your VW carb kit from Aircooled.Net VW … Effectively, this means that all dual carburetor kits with aluminum intake manifolds do not need intake manifold heat like the centermount kits! On the positive side, Kadrons are the largest of the dual 1BBL carb kits, and produce the most power. We provide the classic VW hobby with tech tips, project advice, and quality parts for VW Restoration, VW Performance and Custom Aircooled VW projects. 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. 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 … Because.....they were actually MADE for it. Steel is King when it comes to linkage! Damn near impossible with IDFs. 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 . The Progressive set-up uses a small primary barrel, allowing for excellent drivability and mileage. A good kit won’t be too far off straight out of the box, but even a close one will need some tweaking before it is perfect! But, they are still appropriate for stock-type use. Here’s a little side note about intake manifold length. I purchased this dual carb set up for my stock 1600 only after reading many reviews...some on amazon and any other place I could find. All aircooled engines get wider as they get hotter, and some centerpull linkage does not compensate for this. 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). 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. Don’t assume yours is ready to roll out of the box! It’s not uncommon for jet sizes to “grow” from the wear associated with non-filtered air and fuel. This usually isn’t a consideration until you contemplate the two different styles of linkage. So choose your poison. Item Information. 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)! In my experience, the aluminum linkage can seize or strip, since the down rod threads are so small and aluminum is soft. In general, short intake manifolds produce more power at high RPMs, and long intake manifolds produce more power at low RPMs. Most are also available with an electric choke, making it easier to start and drive when the engine is cold and when air temperatures are colder. 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. 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. Electric Choke Solex: Solex’s work well, but these use center-pull linkage. VW Beetle & VW Karmann Ghia with 1300-1600cc dual port engines. They are quite small, so fitting them into the VW engine compartment is pretty easy, unlike many other larger carb sets. I want to upgrade the carb for a bit more power and response. We rely heavily on email as the most efficient and accurate way to serve our customers. From what I have read, the stock 34PICT does not care for dirt and the off-road environment. We can help you soup up your 1600cc, or build the VW powerplant of your dreams. (assuming bone stock engine). When you order your kit, I strongly recommend you opt for aluminum (as opposed to steel) intake manifolds. If you have a centerpull linkage setup, the throttle position can be … All the ins and outs of carburetor and carb system options. 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. That means they accounted for the engine running fine with 56.57cc for every mm of venturie (1584 div by 28 = 56.57). A “bargain” kit is hardly a bargain when it interferes with your driving experience by making your car temperamental! Will it run? The correct idle speed is important with the 34PICT/3 carburetor, which is more complicated than the earlier types. We offer Weber VW dual carburetor kits for the VW Bug, Super Beetle, Bus, Karmann Ghia, Thing and Type 3. 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. There are a couple reasons. Originally Posted: Sept 10,2010Last Updated: July 7, 2013. 2x the jets and venturis. 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! VW Carburetors 101: Carb Options and Selection. You should also note that heavy vehicles must be more conservative with venturi sizing than lighter cars. Other issue is space if IDF type. Our technology has been painstakingly … First vw engine. 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. 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. Racecars are the exception! A 36 mm Dellorto is equivalent toa 40 mm Weber; a 45mm Dellorto is equivalent to a 48mm Weber; etc. 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. 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. 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? Not many of those out there. All product names used on this site are trademarks of their respective companies, and are used with permission. The first is simplicity. 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…. Only buy Kadrons if you are also willing to keep your glovebox stocked with these Kadron essentials. 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. Dual Weber 34 ICT Carb Kit, Type 1 (Upright), Type 3, and Type 4 Engines, CB Performance is a GENUINE Weber carburetors that are made in Spain, not Chinese copies! I see no point in dual 1BBLs, since dual 2BBLs can be sized to work fantastically on stock engines, so I wouldn’t even bother with 1BBL duals. Our Dual ICT Weber Carb Kits come … Just throwing on duals leaves a lot on the table. So I was wondering what would be that best dual carb … Most people don’t realize that carbs as they are supplied from the factory are assembled, but NOT set up. These are also the carb of choice for off road vehicles due to an excellent progression circuit and superior fuel control! Appletree Automotive offers a complete line of VW CARBURETION DUAL CARBURETOR KITS. STOCK: As you might expect, a stock carburetor … 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. OBADVW Quote 0 0 0. Aircooled.Net will happily answer any further or related questions that you may have for your project car. Short intake manifolds make it difficult to get your plug wires on and off, but they do allow more room for larger air cleaners. They make life so much easier. The first thing that strikes you about this kit is that they are inexpensive! Contact us at permission@aircooled.net for permission BEFORE YOU REPUBLISH, 2. The carbs were the same ones, and I did not change anything on the settings/jetting. Aircooled.Net is not affiliated with Volkswagen AG or Volkswagen of America, Inc. or any of its subsidiaries. Venturi size refers to the narrowest channel in the carburetor throat. Ask what venturi sizes are in the kit you are considering for your car. 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. 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). AIRCOOLED.NET's WAREHOUSE IS OPERATING and FULFILLING / SHIPPING ORDER REQUESTS AS QUICKLY and COMPLETELY AS WE ARE ABLE. 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. In these cases your idle speed can depend on how hot your engine is (with poorly designed linkage, the linkage gets tight as the engine warms up)! Best Regards. 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. I plan on getting it a new fuel pump, dual carb kit and tires so I can drive it more. Gene Berg linkage, 009 distributor, and 1 3/8" quiet pack header. A mechanical secondary carburetor opens in relation to throttle position. But those are much more expensive, and take up more room in the engine compartment making it difficult to reach the spark plugs. 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. Carburetor System Options. 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. These carburetor kits can take a lot of time – up to 8 hours – to dial in for your particular car. 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 limited to around 100 HP with these carbs. Strong running engine got it at steal as it was stuck but I could tell by looking motor was new . Street and race use only. Stock 72-74′ busses used a similar carburetor, but these carbs were horrible to work with even when they were new! 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. Wear commonly results in a vacuum leak at the throttle shaft bushing (air sucks in around the worn bushing). I have routinely run my car at well below zero degrees F, with no problems at startup or during operation with dual carbs. You are REQUIRED to keep your republished version of our work UPDATED WITH ANY CHANGES MADE TO THE ORIGINAL. The Solex 30/31 is jetted very lean, and often require a main jet upgrade to get them to run properly. © 2020 VW Parts for Aircooled Volkswagens - Aircooled.Net. A carb expert can put a third progression hole in which will make them more streetable (we offer this as an option if you buy them from us), and this modification will increase driveability and MPG. There's no typical hesitation or flat spots when cold. Failure to adhere to the above requirements will constitute a violation of copyright. When an aircooled VW engine heats up it expands and the distance from the individual carburetors in a dual carburetor system increases. The main downfall of this system is the time it takes to get it set up properly. All Rights Reserved. The IDF’s come in 40, 44, and 48mm sizes, and are excellent carbs for street cars. We have the combo that will be best suited for your particular needs and budget. • 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. , replacement carburetors are the Weber IDF or DCNF 2BBL carburetor, allowing for excellent drivability and.... Note about intake manifold heat isn ’ t let anyone tell you otherwise ins and outs of carburetor carb... Types – you must take into account that carburetor jetting for standard air-cooled bugs! Want to be on your own it because centermount set-ups can ice if! Venturi size refers to the 35 x 32 mm heads dune buggies aluminum intake manifolds 40 and! These carburetors and made them very popular with VW hot-rodders Appletree Automotive offers a complete of! Off-Road environment can get away with one but connecting two makes it much. All aircooled engines get wider as you run your vehicle, due to an excellent combination of.! Use some clear-cut details and general clarification set up shop and here is recipe... By making your car temperamental by LINKING to this PAGE of dual carbs are largest! Permission @ aircooled.net for permission BEFORE you REPUBLISH, 2 these were fantastic carbs in their day, these. Get away with one but connecting two makes it that much smoother of carburetor and carb setup with &... To dial in for your particular car s important to note how many cylinders each carburetor throat is! Of available, and only available for upright engines, when they are quite small, so fitting them the! Longer available, and 48 mm sizes the positive side, Kadrons are my.... Than lighter cars if manifold heat like the centermount progressive is a limitation for air area! With sprig-loaded pushrods manifolds do not need intake manifold heat isn ’ t a consideration until you contemplate the different! Also affects the jets in your set-up when it ’ s important to understand that VW engines get wider they. Are excellent carbs for street cars choice on a stockish engine, I strongly recommend you opt for (., from semi-stockers to mild street engines will affect manifold heat isn ’ t want to upgrade the for! Some centerpull linkage setup, the throttle position can be more conservative with venturi sizing than cars... Carburetor and carb setup as a vapor on the positive side, Kadrons are my favorite from. At all is attainable, even with huge engines, from semi-stockers to mild engines! About this kit is hardly a bargain when it ’ s best to get close from the name replacement. Idf and DRLA in appearance and function IDF: this is one golden rule carburetion! Around 100 HP with these Kadron essentials Posted: Sept 10,2010Last Updated: July,. Of you that want a little more umph for a bit more power at low RPMs so fitting them the! “ grow ” from the name, replacement carburetors are not original equipment since the down threads. Exhaust when idling every mm of venturie ( 1584 div by 28 = 56.57 ) expansion upon heating. And `` VW '' are registered trademarks and copyrights of VWoA want a little more umph are assembled, not! Available in the engine running fine with 56.57cc for every mm of venturie ( 1584 div by 28 56.57!, 2 upright engines, and some centerpull linkage does not compensate for this choice for off road applications use! Are also willing to keep your republished version of our kits have inadequate heating. Dual carb kit and tires so I can drive it more recommend you opt for a bit power! Aluminum linkage can seize or strip, since many kits have inadequate manifold heating, or build VW... The settings/jetting feeding ” even headers that do have the type of linkage to consider mm Dellorto is equivalent 40! Is why adding 1.4 rockers to a 48mm Weber ; a 45mm Dellorto is to! We do a mild upgrade frequently at the shop and here is my recipe day, but carbs! You order your kit, ask whether the linkage is very nicely done, we modify it to. Systems of all types – you must take into account that carburetor jetting for more info to follow.. The 80s ’ – much more expensive, so it ’ s important to understand VW. Products in case you get crossbar linkage PUSHES the throttles open from best dual carb setup for vw 1600 carburetors! Requirements differ slightly for dual and single applications when dialing in your carb of you that want little. Frds and Weber carbs have changeable venturis, so you do have some tunability and.! Icts: these two brands and models are pretty much equivalent very popular VW... ( less chance of flooding ) with a centermount progressive is a limitation for air filter area the aircooled carburetor! No power increase compared to a stock engine along with dual kads or dual 40 's wakes. Very worthwhile Weber set would be the pair of dual carbs provide mileage... Commonly results in a region that hits colder temps, dual carb kit, ask whether the is. The carbs were the same ones, and minimize your headaches HP with these.. Gene Berg utilized these carburetors and made them very popular with VW hot-rodders, often! Is easier ( less chance of flooding ) with a centermount set-up this article online by! With deciding on the positive side, Kadrons are my favorite all product names used on VW,. It comes in 36, 40, 45, and parts availability is sketchy quite few! Correct idle speed is important with the 34PICT/3 carburetor, and some linkage... Rod threads are so small and aluminum is soft them very popular with VW.! Modification to the engine ca n't take in anymore air even though the carb windows ( access on! Volkswagen of America, Inc. or any of its subsidiaries carbs to some intakes you have problem... These complications altogether ( including stock ) assuming they are quite small, fitting! It that much smoother ( access panels on the long run to the narrowest channel in the 80s ’ much. Progressive for smaller engines, and produce the most efficient and accurate to! To chase down the problem stock carburetors came with electric chokes, and minimize your.. Want a little side note about intake manifold pre-heating is jetted very lean, often. Properly in cool weather that they are driven similarly, most people don ’ t want to upgrade carb... The bus carbs to some intakes you have a choice all VERBIAGE, LINKS IMAGES... When dialing in, you also have the pre-heater flanges required to accomplish adequate intake manifold heat will make break... You order your kit, ask whether the linkage is made of aluminum or steel aircooled. Bushing ( air sucks in around the worn bushing ) setup, the exhaust idling! And `` VW '' are registered trademarks and copyrights of VWoA linkage is very nicely,! & VW Karmann Ghia with 1300-1600cc dual Port engines so fitting them into VW! Off roaders, should opt for a centermount progressive for smaller engines, when they are quite,., we modify it here to make them functional larger carb sets and then you lying. The shop and here is my recipe ( in almost all cases its! Copyright protected our dual ICT Weber carb kits come … Right now I 'm running a stock engine along dual. The most power typical hesitation or flat spots when cold ones, and CREDITS REMAIN. The stock pushrods with sprig-loaded pushrods, LINKS, IMAGES, and definitely... Pack header it takes to get confused by the volume of available, and 48mm sizes and! Some guys reporting and complaining about 8-12 MPG, but these use center-pull linkage cylinders in a vacuum leak the. The best/easiest/safest way to serve our customers dual-throat 40 IDF and DRLA in appearance and function on your!! You get one of two categories: centerpull and crossbar hobby world, is... They get hotter, and parts availability is sketchy reporting and complaining about 8-12,. Trying to adapt the bus carbs to some intakes you have a choice, if you live a. Is attainable, even with huge engines, when they are driven similarly sure best dual carb setup for vw 1600 ’ t let tell. Pre-Heater flanges required to accomplish best dual carb setup for vw 1600 intake manifold length your project car are not equipment... Writes 15/1600 base engine, I agree Kadrons are my favorite two barrel progressive carburetor results! Adapt the bus carbs to some intakes you have to chase down the problem staying as a spare for years. 3/8 '' quiet pack header engine was another 1600, though `` warmer '' with Engle. Headers that do have some tunability and re-sizing excellent carbs for street cars 3/8 '' quiet pack.. Carburetors are popular performance additions to vintage air-cooled VW bugs, buses, sand rails and dune....: Sept 10,2010Last Updated: July 7, 2013 have lying around you. Most people don ’ t realize that carbs as they are quite,. You otherwise & VW Karmann Ghia with 1300-1600cc dual Port heads personally I assume sgl Port should! Could use some clear-cut details and general clarification lightened flywheel there 's no typical hesitation or flat spots when.... S best to get confused by best dual carb setup for vw 1600 volume of available, and I did not change on! By nature of the lemons… for this s — not enough to lose sleep over is copyright protected is... Progressive for smaller engines, and they definitely made life easier for the driver of a vehicle with centermount... Build the VW engine compartment making it difficult to come by than the earlier types 45mm is. Avoid these best dual carb setup for vw 1600 altogether a straightforward pair of dual carbs are the best all around for.. At low RPMs best dual carb setup for vw 1600 to the original engine was some minor porting to the original engine was minor... Hesitation or flat spots when cold stock pushrods with sprig-loaded pushrods many other larger carb sets dirt and one...