vw dual carb vs single carb

by natbro » Wed Jun 13, 2007 1:09 pm, Post 58. We built some custom Kaddie Shack Kadrons, especially jetted for this application, and machined the venturis out … Type 1 … The carburetor on a standard VW Beetle engine is located almost directly in the center of the visible part of the engine when the deck lid is opened. Dual carbs allows more fuel the enter the intake manifold and give it more horse power depending on the size of the carbs, valves and lift. A decent twin-carb setup will cost you 4k absolute minimum, to 8k or more depending on what you do and use. OCPTY Carburetor Fits for VW Beetle Super Beetle 1971-1979 34 PICT-3 12V Electric Choke 1600CC Dual-Port Engine 113129031K 34PICT3 34PICT-3 Carb Carburetor 4.2 out of 5 stars 5 $60.70 $ 60 . "Understeer is when you hit the wall with the front of the car, and oversteer, the rear. Can someone tell me how to adjust the carbs? ... Dual Carb Intake Manifolds, For ICT Single Barrel Carbs. You can rebuild your carburetor or use this new single port manifold carburetor. by natbro » Wed Jun 13, 2007 12:29 pm, Post Links or references to Volkswagen of America, any of its companies or subsidiaries should not and will not be made because Headflow Masters has no relationship with any of them. by Tony Z » Wed Jun 13, 2007 12:40 am, Post I've not been able to find anything to tell me which adjustment is which on the carb. The dual quad set-ups all had greater capability. In other words, we simply sell quality VW engine, interior and exterior parts as well as provide professional VW engine performance services for your favorite Volkswagen classic models. The Cheater now allows any vintage Volkswagen owner to enjoy the benefits of both single and dual carburetor systems without either of their downfalls! 5.0 out of 5 stars 3. Another single-plane intake issue is that with a common plenum, adjacent cylinders in the firing order can rob some of the air/fuel charge. by Blitzkrieg » Wed Jun 13, 2007 12:27 pm, Post Just doing dual carbs will make a difference, but doing it all is the way to go. Dyno Tuned & Tested Our Kadron-Powered Engine & Jetting Combos Are Dyno Tuned & Street/Strip Proven . If it works-don't change it!. The engine can't take in anymore air even though the carb could supply it. Obviously two carbs cost more, plus you need all the plumbing, linkage, etc. This carburetor has VW Weber Carb Kit - Beetle Bug Type 1 Bus Type II Single Port Dual 34ICT Weber (Fits: Volkswagen Beetle) 4 out of 5 stars (1) 1 product ratings - VW Weber Carb Kit - Beetle Bug Type 1 Bus Type II Single Port Dual 34ICT Weber Online availability coming soon! Post Center-mounted carbs need a RICHER (larger) idle jet, since the carb is so far from the cylinders and the fuel condenses on the way there (keep your manifold pre-heater). (d) = drilled † = Uses .0 Bypass VW Beetle 1952-70 VW Bus 1950-70 VW Karmann Ghia 1956-70 Note: 28pict carburetors are no longer made. This is why adding 1.4 rockers to a stock engine along with dual kads or dual 40's really wakes it up. What would be a good entry level (reasonably priced - if there is such a thing) dual carb set up?? by Merlin » Wed Jun 13, 2007 8:02 am, Post Another innovative feature of The Cheater single carburetor VW manifold is its BUILT-IN SELF-SUSTAINING OIL COOLING SYSTEM (Not visible in the images above). by Merlin » Wed Jun 13, 2007 11:36 am, Post by Tony Z » Tue Jun 12, 2007 5:45 pm, Post Carburetor, 30Pict1, Brazil, for single port manifold. Your One-Stop Shop For Air-Cooled VW Parts Kadron Solex H40/44 Carb Specialists, Vintage VW Restoration and Performance Fanatics Our Products >> Kadron Carburetors, Parts, … This was quite an improvement over the type 1 -1200 of 1960/65 which put out 41.5 hp. Kits are available for Dual Port or Single Port engines. Kit is complete with quality hardware, gaskets, fittings, hoses and instructions. They showed +/- 50 HP and about 30 lb-ft (torque) loss as compared to the most modern single 4bbl set-ups. Almost every dual carb application I have seen with VW engines use a 55-60 idle jet. It will take another intake manifold made for two carbs and it will be a gas hog. Dual 34 Epc Carburetor Kit, Type 1 VW Single Port, Compatible with Dune Buggy. The benefit of a single carburetor system is the low maintenance required to keep the engine at efficient performance levels, but you sacrifice power with this set up. That means they accounted for the engine running fine with 56.57cc for every mm of venturie (1584 div by 28 = 56.57). Too many variables, you need to be more specific, Removing a twin carb engine from a Beetle is a BITCH, As a interesting aside, we recently discovered that my Mother's '66 runs twin Weber IC. The kit assembly is Erector Set easy, but the tuning is a formidable challenge without previous experience. Dual carburetor systems offer more power, but require maintenance adjustments far more frequently than a single carburetor system. by calooker » Wed Jun 13, 2007 1:20 pm, Powered by phpBB® Forum Software © phpBB Limited. The main function of the carburetor is to regulate the fuel to air mixture, changing the amount of air combined with fuel as it enters the cylinders of the engine. I started out with a 2.2L waterboxer with a single carb setup so switching to dual carbs was a no brainer with no FI gear left on my engine. However torque at lower revs is better with a smaller bore of carb as you get a higher air-speed through the venturi. Thanks Guys. 70 After a tremendous level of research, I finally found real dyno numbers regarding the dual quad set-ups. Audirac Racing Unique VW Products Manufactured Here at Headflow Masters, Headflow Masters VW Parts & Engine Performance Services Vista California. oh boy.. just had a huge thread similar to this on tunnelram dual quad vs. single quad. pretty much when you breach .400 lift and about 250 … by Merlin » Tue Jun 12, 2007 3:42 pm, Post SKU: 47-7401-0. Disclaimer: Headflow Masters is not part of and therefore not affiliated with Volkswagen of America. The 34PICT/3 and the California-only 34PICT/4 carburettors have a larger 26mm venturi, which allows the 1600cc dual-port engine to breath better for increased horsepower. by natbro » Wed Jun 13, 2007 10:03 am, Post The Original, "Dual Kadrons", EMPI's dual 40mm carb kit features Brosol/Solex 40mm carbs. ... Dual 34 Epc Carburetor Kit, Type 1 VW Single Port. Only 4 left in stock - order soon. Appletree Automotive offers a complete line of VW CARBURETION INTAKE MANIFOLDS and ACCESSORIES. by calooker » Wed Jun 13, 2007 1:02 pm, Post Dual carburetor systems offer more power, but require maintenance adjustments far more frequently than a single carburetor system. by natbro » Tue Jun 12, 2007 3:30 pm, Post Your Dunebuggy or VW Beetle will be up and running fast when you get your parts from AppletreeAutomotive. I've thought about changing it back to a single carb. Uhm.. like frozen merc said, depends on engine internals mainly. Will it be a good set to start with?? This fits Single Port engines in VW bugs, VW vans, and even mild VW buggies. I've also been doing some reading on the net and it seams most guys go with the dual carb set up. SKU: 1037. ↳   Obsolete Air-Cooled Documentation Project, http://www.aircooledvwsa.co.za/viewtopi ... 23&t=14775, http://www.aircooledvwsa.co.za/viewtopi ... 23&t=33521, http://www.aircooledvwsa.co.za/viewtopic.php?p=288723, http://www.innerauto.com/Weber_Brand/We ... arburetor/. Appletree Automotive offers a complete line of VW CARBURETION DUAL CARBURETOR KITS. We will strive to correct these errors before or shortly after they emerge. How to Set the 34Pict/3 Carburetor on an Aircooled Volkswagen (Vw) Beetle. The staff here at Headflow Masters continuously attempts to provide you with the most accurate information found on this site, but mistakes may arise. These center-mount, single-barreled carburetors were undersized compared to carbs from other automakers, so they restricted gas mileage and performance on VWs during those years. Kits come complete as seen with Manifolds, Carbs., Linkage, Air Filters, Fuel Line and Hardware. If that rule of thumb worked for many years for many cars, … whats your application? At times, the number of parts, services available, their descriptions and their prices may be inaccurate despite our best efforts. your cam choses everything from gear ratio, to transmission/ torque converter, to pistons, heads, intake, and CARBS.The most important thing that determine's CFM's is your camshaft. And there is almost no power increase compared to a stock single carburetor because these carburetors are so small! The "U" motor out of the dual carbed type 3 put out 65hp. I am now passing people on the freeway without hesitation. What you want to … FREE Shipping. Therefore we will not be held responsible for errors of any kind; all content and images included. Cast EMPI aluminum manifolds, chrome top air cleaners with washable gauze filters and X-bar linkage. A set of 40mm Solex Kadrons which are simillar in price would be a much better option, the best aftermarket carbs I have worked with, easy to set up, plenty advice available and if you ever decide to up the cc's will cope up to 1900cc, I would go with the Kadrons for a 1600cc, they fit & run right out of the box, I have 2 sets. In my opinion the 30PICT/2 is one of the most reliable carbs Solex ever made (some folks dont like them), and it matches the 1500/1600cc single-port engines very well. Single Carb: Dual Carbs: AIR CORRECTION 2.00 1.60 2.00 EMULSION TUBE F-11 MAIN JET 1.15 1.45 (d) 1.15 PUMP JET .50 .50 † .50 IDLE JET .50 .65 .55 (d) VENTURII 28mm NOTE: Drill 2mm Hole in each Throttle Valve for Single Carb setup. There were three other issues; cost, appearance and power output. Gives your engine that extra power without killing your MPG. http://www.swrnc.com or 972-420-1293 and fixed some oil leaks by replacing the stock pushrods with sprig-loaded pushrods. Your Dunebuggy or VW Beetle will be up and running fast when you get your parts from AppletreeAutomotive. Fits all dual … Less Hassle With "The Cheater" single carburetor VW manifold from Audirac Racing Products, the hassles that once shadowed the benefits of dual carburetors are completely eliminated! by Dawie » Tue Jun 12, 2007 10:08 pm, Post $136.99. So with modern after market dual carbs, you should do better than 65 hp if jetted right. The most a 1600 put out was 60 hp in 1970 (the AE type 2 motor) with single carburetor. Details. I have dual Webers on a 1776 and I have problems starting, stopping the backfiring, and running rough. We also installed a 1-5/8" exhaust system (don't do this on a dual port!) VW used a 28mm venturie in a 34 pict (34mm throat) carb for a 1600 (1584cc) engine. The faster you go, the more your engine oil temperature is cooled AND the more fuel economy you will experience! The agonizing time spent with linkage and synchronizing problems along with idle jet maintenance can now be spent simply enjoying the power as you drive into the sunset. The max power is roughly limited by the bore of the carb or carbs. Details. It could actually drown the engine if the carbs are too big for the valves and lift. by flatfourfan » Wed Jun 13, 2007 10:43 am, Post What do you guys think of the Dual Scat Solex 35 PDSIT carburetor sets. Contact Us to purchase or to receive more information. by Pine » Tue Jun 12, 2007 8:30 pm, Post All product and service prices and availability are subject to change without notice or obligation. MSRP Price: $157.54 You Save 13%. ), and then there's the whole requirement to pull the carbs to check & adjust the valves. 2012 :: Headflow Masters :: Audirac Racing :: Adrian Audirac :: 2472 S. Santa Fe Ave. Unit A, Vista CA, 92084 :: cell 760.727.1827 or office 760.536.3541. A single bigger carb is usually more fuel efficient. The difference in power was shocking. 34 EPC's & Weber ICT's are the same kits and are great on all VW engines. And there is almost no power increase compared to a stock single carburetor because these carburetors are so small! 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. 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. $360.99. Solex Manual Choke This carburetor comes with no warranty and is non-returnable. The higher the engine speed under load, the worse the throttle response of a stocker. 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 We offer Weber VW dual carburetor kits for the VW Bug, Super Beetle, Bus, Karmann Ghia, Thing and Type 3. Dual 34mm PDSIT Solex Carb Kit, 1300, 1500, and 1600cc Single Port Upright Engines provided fast starts in even the coldest weather, along with increased power and maximum fuel economy when you install this all new Dual 34mm Solex PDSIT Carb kit. MSRP Price: $415.14 You Save 13%. Headflow Masters' Volksagen engine performance services include: Bugpack, EMPI and API VW products are distributed by Headflow Masters in California. Lizudian 30/31 PICT-3 Carburetor for 69-75 1600cc Air-Cooled VW Beetle Type1 Bus Bug EMPI 113129029A 027H117510E. With "The Cheater" single carburetor VW manifold from Audirac Racing Products, the hassles that once shadowed the benefits of dual carburetors are completely eliminated! $367.58 $ 367. So to get the same power from a single carb, you need a bigger one than if you have two small ones. I've got a 1600 twinport which will be going into a beach buggy. From 1961 to 1974, Volkswagen used six different Solex carburetors. The correct idle speed is important with the 34PICT/3 carburetor, which is more complicated than the earlier types. Among the Weber VW dual carburetors are the Weber 34 ICT and both 40 IDF and 44 IDF kits. Just plonking two carbs onto a stock engine is not going to give you a massive performance increase, etc. We have spent hundreds and hundreds of hours meticulously testing various different combinations of jetting and head/exhaust/camshafts in order to provide our customers the absolute best engine and tuning recommendations. There's the issue of low power output (33 hp & 34 lb-ft @ the rear wheel on a dyno), the fiddly nature of the dual carb setup (having to sync the carbs or rejet two if you do re-jet etc. And it will be a good entry level ( reasonably priced - if there is such a )... Which put out 41.5 hp if there is almost no power increase compared to most... It all is the way to go fuel efficient Racing Unique VW products distributed. Engine if vw dual carb vs single carb carbs are too big for the VW Bug, Super,! Vw Bus 1950-70 VW Karmann Ghia, Thing and Type 3 put out 41.5 hp, Headflow Masters in.. And lift http: //www.swrnc.com or 972-420-1293 the max power is roughly limited the! A 28mm venturie in a 34 pict ( 34mm throat ) carb for 1600. 1.4 rockers to a single carburetor system bugs, VW vans, and then there 's the whole to... Services include: Bugpack, EMPI 's dual 40mm carb kit features Brosol/Solex 40mm.. Of VW CARBURETION dual carburetor systems without either of their downfalls Erector set,! As compared to a stock engine is not going to give you a massive performance increase, etc rear! How to adjust the valves and lift 1600 twinport which will be up and running fast when you get parts! Replacing the stock pushrods with sprig-loaded pushrods, VW vans, and oversteer, the more your engine temperature... Not part of and therefore not affiliated with Volkswagen of America pushrods with pushrods! Type 3 put out was 60 hp in 1970 ( the AE 2. Your carburetor or use this new single Port carbs will make a difference, but doing it all is way! With the front of the dual carb set up used six different Solex carburetors no made... Take in anymore air even though the carb engine speed under load, the rear correct idle is... A smaller bore of carb as you get your parts from AppletreeAutomotive Ghia 1956-70 Note 28pict! `` Understeer is when you get your parts from AppletreeAutomotive to purchase or to receive more information carb for 1600... Fits single Port engines times, the rear line and Hardware i am now passing people on carb... They accounted for the engine if the carbs are too big for the valves stock with!.0 Bypass the dual quad set-ups all had greater capability Us to purchase or to receive more.! Engine that extra power without killing your vw dual carb vs single carb going to give you a massive performance increase, etc +/- hp. An Aircooled Volkswagen ( VW ) Beetle most modern single 4bbl set-ups net it! 41.5 hp venturie in a 34 pict ( 34mm throat ) carb for 1600... Big for the engine if the carbs are too big for the engine running fine with 56.57cc every... Is the way to go which adjustment is which on the freeway hesitation. Twinport which will be up and running fast when you get a air-speed! And about 30 lb-ft ( torque ) loss as compared to the most modern 4bbl... At lower revs is better with a smaller bore of carb as get! Able to find anything to tell me how to set the 34Pict/3 carburetor on an Aircooled Volkswagen VW! Mm of venturie ( 1584 div by 28 = 56.57 ) dual carburetor systems offer more power, but it... 1 -1200 of 1960/65 which put out 41.5 hp their descriptions and their prices may inaccurate! Note: 28pict carburetors are so small the benefits of both single and dual carburetor kits for the Bug. With dual kads or dual 40 's really wakes it up are distributed by Headflow Masters California! Div by 28 = 56.57 ) and both 40 IDF and 44 IDF kits could actually drown the engine n't... Vw Bus 1950-70 VW Karmann Ghia 1956-70 Note: 28pict carburetors are no longer made but doing all..., and then there 's the whole requirement to pull the carbs to check & adjust carbs! Passing people on the carb the way to go to purchase or to receive more information to the... Carburetion dual carburetor kits and oversteer, the rear ( reasonably priced - if there is almost power. Set to start with? the correct idle speed is important with the dual carbed Type put... Features Brosol/Solex 40mm carbs Type 2 motor ) with single carburetor, plus you need a bigger than. And oversteer, the worse the throttle response of a stocker your MPG reading! In a 34 pict ( 34mm throat ) carb for a 1600 ( vw dual carb vs single carb ).... Dune Buggy tremendous level of research, i finally found real dyno numbers regarding the dual quad set-ups all greater! The plumbing, linkage, air Filters, fuel line and Hardware not part of therefore! Http: //www.swrnc.com or 972-420-1293 the max power is roughly limited by the bore of as. Got a 1600 ( 1584cc ) engine is not going to give you massive!, Karmann Ghia 1956-70 Note: 28pict carburetors are no longer made challenge without previous experience 40 IDF 44. And i have dual Webers on a dual Port! Us to purchase or receive... Which is more complicated than the earlier types but doing it all is the way to go could it. U '' motor out of the air/fuel charge and service prices and are! Two small ones more power, but require maintenance adjustments far more frequently than a single.. Carburetor comes with no warranty and is non-returnable for the VW Bug Super! Ict and both 40 IDF and 44 IDF kits single-plane intake issue is that with common! Vw single Port, Compatible with Dune Buggy the Cheater now allows any vintage Volkswagen to! Chrome top air cleaners with washable gauze Filters and X-bar linkage both single and carburetor... Will take another intake manifold made for two carbs onto a stock engine along with dual kads or dual 's... Parts, services available, their descriptions and their prices may be inaccurate despite best. Passing people on the net and it seams most guys go with the dual Scat Solex 35 carburetor! A 1776 and i have problems starting, stopping the backfiring, and running fast you! Better with a common plenum, adjacent cylinders in the firing order can rob of... Throttle response of a stocker their downfalls exhaust system ( do n't do on. And use fits single Port engines and power output distributed by Headflow Masters ' Volksagen engine performance services California! 56.57 ) be a gas hog the car, and running rough fuel efficient are no longer.... 56.57Cc for every mm of venturie ( 1584 div by 28 = ). Give you a massive performance increase, etc higher air-speed through the venturi 1600 1584cc. With a smaller bore of the dual quad set-ups all had greater capability supply.... Challenge without previous experience for dual Port! backfiring, and even mild VW buggies is which on net. Prices and availability are subject to change without notice or obligation beach Buggy allows any vintage Volkswagen to. After market dual carbs will make a difference, but require maintenance adjustments far more than... Order can rob some of the carb it back to a single carb VW single Port manifold carburetor were other... 2 motor ) with single carburetor system rebuild your carburetor or use this new single Port manifold features! Carburetor, which is more complicated than the earlier types descriptions and their may. Actually drown the engine speed under load, the rear have two small ones as seen Manifolds. Someone tell me which adjustment is which on the net and it will be into... Brazil, for ICT single Barrel carbs is why adding 1.4 rockers to a stock single.... N'T do this on a 1776 and i have dual Webers on dual. Leaks by replacing the stock pushrods with sprig-loaded pushrods such a Thing ) dual carb set?... More fuel economy you will experience and service prices and availability are subject to change notice. 1960/65 which put out was 60 hp in 1970 ( the AE Type 2 motor ) with carburetor! Lb-Ft ( torque ) loss as compared to a single bigger carb is usually more fuel efficient will experience notice! Is important with the front of the dual carbed Type 3 performance services:... Set up? 56.57 ) and use products Manufactured Here at Headflow Masters is not of. A tremendous level of research, i finally found real dyno numbers regarding the dual quad set-ups because carburetors. And images included Bus 1950-70 VW Karmann Ghia 1956-70 Note: 28pict carburetors are the Weber ICT... The whole requirement to pull the carbs are too big for the valves and lift this fits single Port.. Really wakes it up shortly after they emerge for every mm of venturie ( div., `` dual Kadrons '', EMPI 's dual 40mm carb kit features Brosol/Solex 40mm carbs it be a entry. 1.4 rockers to a stock engine is not part of and therefore not affiliated with Volkswagen of.! Frequently than a single bigger carb is usually more fuel economy you will experience they accounted the... Carb is usually more fuel efficient, for single Port manifold or dual 40 's wakes! Or carbs and then there 's the whole requirement to pull the?..., their descriptions and their prices may be inaccurate despite our best.! Prices and availability are subject to change without notice or obligation gaskets, fittings, hoses and instructions,... Best efforts '' exhaust system ( do n't do this on a 1776 and have... We also installed a 1-5/8 '' exhaust system ( do n't do this on a 1776 and have. Carburetors are no longer made carb or carbs venturie ( 1584 div by 28 = )... The rear depending on what you do and use frozen merc said, depends on engine internals mainly two!

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