Keep in mind that just because the OEM numbers between two carbs may be different, it doesn't mean they are different carbs. sucarburetors. anyone knows the model of this carburetor Kingstone? On which engine was installed? The float is the same as to the one mounted on the Ford T? Kingston Carburetor by Davide Coloretti, su Flickr Kingston Carburetor by Davide Coloretti, su Flickr Kingston Carburetor by Davide Coloretti, su Flickr Thank you. Let's tune our carburetor(s). However the Carburetor is no longer being made. We also sell Solex (Mikuni) OEM and performance parts, and we occasionally have rebuilt Solex carburetors in stock. So we can now offer carbs and spares for most Pierberg carbs from 1945 - 1993. Finding SU (Skinner Union) needles to make your car run right under all throttle conditions is a trying experience at best. The SU carburettor is to be found on many British-built cars. Ramair’s hugely successful range of filter kits, designed to bolt directly to the carburettor body, is used widely in both competition and street… £. May be a good needle for enriching a manual tranny 998 that has had some performance mods. Keihin North America, Inc. Included in each kit is a complete set of installation instructions and free technical support for 60 days!. Usually it is a. Andrew Turner - Carburettor Specialist Welcome to Andrew Turner Carburettor Specialist website, we hope that you find it interesting and informative. I have been using the above information to try and decipher my serial number in formation. The number following the “HV” indicates how many 1/8" increments the inlet diameter is over the base 1" diameter. 00 BHP 1960 Jaguar. Notoriously finicky, the SU carbs take a lot of time to tune. E-Mail [email protected] weber/dellorto /su/solex carbs malpassi fuel pump pressure regulator. Get the best deals on SU Car & Truck Carburetor Parts when you shop the largest online selection at eBay. Whether updraft, downdraft, or sidedraft, Zenith has the right carburetor to keep your machine performing at its peak. US manufactured and ethanol ready. I am getting ready to tackle the SU carbs and have no idea what I have. The Carburetor Doctor has kits carburetor rebuild kits for most Stromberg carburetors built after 1934, as well as hard-to-find parts like floats for Stromberg WW and AA 2 barrel carbs. We showcase a varied catalog of products ready to ship at competitive pricing. Probably the most successful constant depression (variable jet) type of carburettor in use during the 1970s, the SU had changed little in basic design over the years. We stock carburetors for automotive, marine, agricultural, industrial and heavy duty truck applications. Nos 52 Oldsmobile Gm Rochester 4 Jet Carburetor Carb 7004800 Id Tag Dated K2. We also sell Solex (Mikuni) OEM and performance parts, and we occasionally have rebuilt Solex carburetors in stock. BTW, this is with stock SU carbs and the stock B grind cam shaft. The fuel system of the MGB is adequately covered in the factory workshop manual, and the choice of carburetter needle and spring seems to be just about right. As the horsepower goes up, so does the number of potential situations that impact performance or create problems. HV2 would be 1. Volumetric efficiency, gear ratio, compression ratio, valve size and lift, weight of car, convertor stall and other factors may vary the carburetor sizing so before you make your selection always contact us for and speak to a reliable carburetor professional who is familiar with Quick Fuel air flows and the various types and series of. Below is a list of foods highest in carbohydrates, for more see the list of carb rich restaurant foods. do NOT contact me with unsolicited services or offers. Whether you want to lose weight, tone up, get healthy, change your habits, or start a new diet MyFitnessPal has you covered. Welcome to Burlen Ltd, home of vintage and classic vehicle fuel systems Over the years Burlen has become renowned for its role in manufacturing, restoring and re-introducing a number of famous classic vehicle fuel systems and associated spares including SU, Amal, Zenith, Stromberg and Solex. He throws in some Zenith-Stromberg information as well. If you need to clarify if this will work with your carburetor, give us a call. One or two 1¼" SU carburetors can be used with an ordinary Imp engine. I have some 1. Typical sized carbs for Datsun 240z to 280z with motors ranging from 2. All new set-up excluding the carbies which are fully factory reconditioned and jetted to suit. It is bronze bodied and 1 3/8" sized. This can be determined by measurement on the inlet. I am fairly familiar with midget s but after a great deal of looking I can't positively identify the carbs and engine. We sell jets, stacks, small parts, rebuild hits, ect. Use the UniSyn to check that each carb is drawing equally at idle. Found out that my 2 stroke carb’s mixture was rich and I lessen the fuel intake and follow the manual’s 1 3/4 counterclockwise turn from seated position. Included in each kit is a complete set of installation instructions and free technical support for 60 days!. ‎Leggi le recensioni, confronta le valutazioni dei clienti, guarda gli screenshot e ottieni ulteriori informazioni su Technutri - Keto and Low Carb. High clarity optical acrylic lenses with good magnification in a solid case with lens holder, space-saving and protec. Fuel System. SU Carb codes maintenance & nonperformance. Largest selection of jets, Keihin, Mikuni, Hitachi, Holley, no minimum order. Type Identification: The easiest method of identification of these carburetors is the number of screws that hold down the large dome on top of the carburetor (the center of the dome holds the oil dipstick). 3) Choke pull off setting incorrect. For example, we can remove and replace tires, overhaul carburetors, re-gasket or rebuild engines, overhaul braking systems, create custom brake lines, clean and coat gas tanks, trace and repair electrical issues & MIG and TIG steel & aluminum just to name a few. SU carburetors parts. There are British SU carbs which will bolt to the A14T manifold using 2 of the bolt holes on the diagonal of each flange. 1970 & early 1971 240Z's used 4 screws to bolt the dome to the body of the carburetor. Power valve blown. They say it smooths out the engine pulses and they claim an increase in performance, economy and reliability over the Solex. The testing included both stock and modified versions of the carbs. SU Carburetor butterfly closed When the engine speed is constant the air velocity (vacuum) past the jet is directly proportional to the volume of air passing between the bridge and piston, ie. Mini 1 1/2 Twin SU Carbs HS4 Vizard Cooper S Race Rally - New or Reconditioned and ready to fitall they needs is needles suitable for your engine and oil in the dashpot (New Bottle Supplied) IF YOU WOULD LIKE A pair or a Single PLEASE MESSAGE OR RING AS THEY CAN BE DONE TO ORDER Also do; H4 SPECIAL TUNING TYPE ( Historic Race. Mine works well apart from high idle when warm. Burlen sells a ring bound book that has all of the information in it, cross referenced: one table is "every SU carb x every car it was ever sold on" (with detailed break down of the composition of the carbs and what parts were used on each), the next table is "needles by ID no. SU Needle Specifications AUC 9618 D (Dec 1964). Edelbrock is the most respected name in performance. Or any sealing bung. Old Specials – Click Here… Balance Your Carburettors…. 73 + eur 20. The sizes describes the carb's diameter after the throttle plate on the engine side. Fuel injection is gradually replacing carburetors in these nations too as they adopt emission regulations conceptually similar to those in force in Europe, Japan, Australia, and North America. 100) HS8 (0. 7) Carter Only. However, British carbs with their slow throttle response are no match for a Weber. 00 BHP 1960 Jaguar. All MGA (except the Twin Cam) used twin SU H4 carburetors with 1-1/2" throat size. Application Dimensions. Rich-running carburetors cause carbon build up around the piston rings and valves, it also dilutes your engine oil […]. Description. 5)Low fuel delivery. What is the orfice size of these jets in thousands. 1938 and. Since our early days we have supplied SU carburetters, fuel pumps and parts. Carburetor CFM ratings have been around since at least the 1920's; however many O. Lost Hills is the first community to host air monitoring as part of the Study of Neighborhood Air near Petroleum Sources (SNAPS) conducted by the California Air Resources Board (CARB). The bearings delivery is done directly from the stock, and in the event the bearings are not in stock, we shall inform you immediately related to the delivery term. With over 50 years of experience, we at the Carburetor Factory insure the highest quality possible to all of our customers. 45mm! So this would explain the slightly larger diameter (and confirm my theory of TWO carbs ). CB-101 is a quick review of a variety of carburetors you might find on the MGA. 100) HS8 (0. The carburettor identification is made by letter prefix which indicates the float type: "H": introduced in 1937 in which the float bowl has an arm cast into its base, which mounts to the bottom of the carburetor with a hollow bolt or banjo fitting. The performance may not be optimum due to signal strength or restrictions, but if the jetting is close for one, it will be close for the other. Little tag under screw on fuel bowl 2 carbs have AUD700 and one has AUD693. Stromberg Carburetor Parts. Result: Fouled plugs and premature wear on rings and. SU Carburettors - Main Index: Carb & Needle ID Tables : Identifying Your Carburettor by Model and Needle by Marking: Parts data table : Major Parts Listing by Carburettor Type/Model: IndividualData Sheets : Listing by Carburettor Type/Model •. Reply let me know what this SU carburettor is. The first prefix (H, HD, HIF, etc. We showcase a varied catalog of products ready to ship at competitive pricing. SU Carburetor butterfly closed When the engine speed is constant the air velocity (vacuum) past the jet is directly proportional to the volume of air passing between the bridge and piston, ie. Fuel passes through the arm into the carburetor body. Find Your Carburetor Here. Pump blown out. When an engine sits for a long period of time without. Motorcycle Carbs & Parts. For a common Holden six, running either 2 or 3 of the HS6 is the most popular choice. SU Dual Carburetors. If they are not worn out they are a decent carb. At Dennis Kirk, you will find the best selection of Harley-Davidson Carburetors. SU Carburetor and Stromberg Carburetor Rebuilding Services Island Automotion Ltd. The SU carburettor is simple to strip. 2 that need a good home, please pm me. Notes on Carburetor Installation, Tuning and Repair. While the design is basically the same, they incorporate some emission features, have an integrated fuel bowl and a totally different choke system. Read Carburetor books like Low Carb Diet And Lose 10 Pounds In 10 Days Easy and M. These pictures should be used to show correct linkage, and general identification of carburetors. com - Easy Keto Diet Recipes. Unfortunately these numbers are not cast into the carb. Zenith Fuel Systems has designed and engineered the most reliable and performance enhancing carburetors available. They say it smooths out the engine pulses and they claim an increase in performance, economy and reliability over the Solex. Like any SU, needs an overhaul kit due to age, dirt, etc and jets. In this section below throughout the following pages you will find everything you need to keep your Amal carburetor running strong and reliable. I currently have AAA needles which is correct for basically a standard engine with K&N filters. Includes dealer locator and information about fishing and boating. His first, cast brass carburetor could meter and deliver fuel more accurately than many competing. VW engines are notoriously under carbureted by nature of the original design. The turnaround time is usually about a week from the time we receive it. Let's tune our carburetor(s). View Details. He throws in some Zenith-Stromberg information as well. This site consists of a compilation of public information available on the internet. Our site is secured with SSL from Godaddy. The SU Reference Catalogue. Solex carburetor is widely used by many top European automobiles as like Rolls-Royce, Porsche, Volkswagen, and Mercedes Benz. Flange mount will work as a right hand or single carburetor. NOTE: I have a price list for Rebuilding, Restoring & Bench Testing of SU carbs & Zenith Stromberg carbs on the text only pages. Part I - How It Works. Harley-Davidson Carburetor. Supplier of British Carburettor (SU and Zenith) parts. The carb has a stamp on the side of the float bowl that shows it is a 22mm. They will be found on 1960 through early 1980s motorcycles, snowmobiles and ATVs. In this video, Ed D'Arata, Mini Mania's SU Carburetor genius, goes through the differences between the various SU Carbs found on classic Minis, Sprite & Midgets, and Morris Minors. Let's tune our carburetor(s). THE BASICS - Mixing and Delivering. SU HS4 [ AUD216 ] Rebuilt , new throttle spindle and butterfly , needle etc. To ID my SU would be helpful. All REDLINE kits are assembled with all the parts necessary for a quick and professional installation. Cravings for starchy and sugar-laden foods are common and are a type of addiction that involves similar mechanisms engaged by opiates and the pain/pleasure center of the brain. Excellent before and after sale service, many hard to find parts exclusively available in our online catalog. Joe Curto, INC, British Superior. The Zenith Carburetter Company Limited was a British company making carburettors in Stanmore Middlesex founded in 1910. I've tried the usual suspects incl SU but still waiting. One or two 1¼" SU carburetors can be used with an ordinary Imp engine. Note: This is only a rough estimator of carb sizing. 60 spoke wire wheels original paint silver. A pair of su carburetors. Moss Motors is the worlds largest and oldest British parts supplier. No Information to Display. SU Carburetors - Since 1976, Terry's Jaguar has been in the business of supplying a wide range of parts for Jaguars - everything from XK120, XK140, XK150 and all XKE / E-Type Parts models right through to the latest Jaguars on the road. 00 BHP 1960 Jaguar. The "H" stands for horizontal, as in side-draft, carburetors. The SU carburetors are an amazingly rugged carburetors. What is the orfice size of these jets in thousands. Not needed. Fixed SU carb needle, AC code. SU carburetors parts. We are The Worlds Sole Manufacturer of Genuine SU Carburettors, Fuel Pumps and Spares. 00 min order on all parts for them. SU & Zenith Stromberg Carb Rebuilding & Restoration. Since only one cylinder can draw fuel at a time, the limit on gas flow is the size of the carb from which that cylinder draws fuel. In order to be serviceable some will need to be rebuilt. Use the UniSyn to check that each carb is drawing equally at idle. Nos 52 Oldsmobile Gm Rochester 4 Jet Carburetor Carb 7004800 Id Tag Dated K2. fire communicated in the post I read. The small vacuum motor on each carb is the choke pull-off. 3: By the interconnection between the throttle and the starting enrichment system on the carburetter. He throws in some Zenith-Stromberg information as well. Typical DCOE carbs come in the following standard throat diameters: 40, 45, 50, & 55. We mention the 280Z in this section even though it originally had fuel injection because we feel it is a common practice to swap out the fuel injection for carburetors. Zama Carburetors and Parts - 2-Cycle. tuning carburet ters including full needle charts. 'D' Means Down-draught. Fixing the Dreaded Lean Bog on Keihin FCR Carburetors: I recently had the pleasure of performing a complete frame down rebuild on a 2007 CRF250R that came to me with an intolerable bog issue when the throttle was stabbed from idle or low RPM (both when riding, and on the stand). My own design of inter carb linkage is visible in the background. - Carburetors completely disassembled and cleaned - Housings rebushed, new standard size throttle shafts - New jets, new needles, new float valves - New gaskets and O-rings - Individually flow bench tested. Some carburetors have a slow speed fuel adjusting screw that regulates the fuel/air mixture in the lower rpm range. I was excited enough to post a commenta response 🙂 I actually do have some questions for you if you usually do not mind. What to Know. Suspension has new rack & pinion. Call for your application specifications and pricing. We are The Worlds Sole Manufacturer of Genuine Zenith, Stromberg and Solex Carburettors and Spares. Finding SU (Skinner Union) needles to make your car run right under all throttle conditions is a trying experience at best. The "H" stands for horizontal, as in side-draft, carburetors. The BC series is the same carb but equipped with a automatic choke and came as standard fitment to Chevy passenger cars. So if it develops any sort of issue, it can throw off this mixture and affect engine performance. Power valve blown. I currently have AAA needles which is correct for basically a standard engine with K&N filters. AFAIK there exist two carbs: HIF6 with 1. SU Downdraft carburetor, carburetor, fuel feed, engine mechancial component. The small vacuum motor on each carb is the choke pull-off. Over the past few years we have supplied carburetors, rebuild kits and other fuel system parts for most makes of cars and trucks on the planet, including:. Like any SU, needs an overhaul kit due to age, dirt, etc and jets. 7% (2093) Item Location: Coos Bay, OR Shipping Details Shipping Type: Flat Ships to: Ships Worldwide Shipping Cost: $12. It is neither inferred nor implied that any item sold by CARiD. H Series, HS Series, HD Series, HIF Series & CD Series "Stromberg". 1961 SU carbs for MG Magnette For Sale Pair of SU carbs (type HD4)complete with all linkages, banjos,inter pipe and overflow pipes with air filter housing too. Carburetters of a given specification are also described as having 'left hand' or 'right hand' interconnections. Read Carburetor books like Low Carb Diet And Lose 10 Pounds In 10 Days Easy and M. agauar XKE 4. I have for sale a pair of SU HS2 carbs in superb working condition. Make sure there are no vacuum leaks. Custom Rebuilt Carburetors is family owned and has been operating since 1979. anyone knows the model of this carburetor Kingstone? On which engine was installed? The float is the same as to the one mounted on the Ford T? Kingston Carburetor by Davide Coloretti, su Flickr Kingston Carburetor by Davide Coloretti, su Flickr Kingston Carburetor by Davide Coloretti, su Flickr Thank you. That is why we custom build our customers' core, rather than sell a mass-produced carburetor, where parts have been mixed and matched. 3 SU carburetors, carburetor, fuel feed, engine mechancial component. It seems to have just about all the info on this carberator. Carburetor CFM ratings have been around since at least the 1920's; however many O. SU Carburetor and Stromberg Carburetor Rebuilding Services Island Automotion Ltd. Featuring hubcap fits rebuilt carburetor available for purchasing right now. the place, replace the carburetor. 2 straight sixes and the P6 2000TC. have a pair of complete SU carbs can anyone advise which numbers and where on them to properly identify them? believe they are original from a 59 xk150 i'd like to sell them but wish to provide proper info thanks. For stock parts you will want 14. 1937 was the year the ubiquitous H-type SU carb was born featuring a range of choke bore sizes from 1-1/8 inch to 2 inches in 1/8 inch increments; a carb to cover all applications and so successful was the design it stayed virtually unchanged right through to the end on the 1950s. Some products are not legal for sale or use in California on any pollution controlled vehicle. 5 Interchangeable Glasses: There are 1. Practically all stock 340-6 bbl. Keihin North America, Inc. The jet is stamped 32. We stock carburetors for automotive, marine, agricultural, industrial and heavy duty truck applications. E-Mail [email protected] While most of the following information applies to all CV carbs, and to some extent all carb types, this article is specific to the Keihin CVK40 found on many Kawasaki motorcycles (KLR's and Vulcans) along with some Harleys. For more healthy high carbohydrate choices see the list of healthy high carb foods. 00 cc I-6 74. Tuning your Datsun 240Z’s SU Carburetors can be extremely tricky, but when armed with a proper understanding of their functionality, the right tools, and a little patience, you will be able to get them running smoothly and delivering the appropriate amount of power under all engine circumstances. Burlen sells a ring bound book that has all of the information in it, cross referenced: one table is "every SU carb x every car it was ever sold on" (with detailed break down of the composition of the carbs and what parts were used on each), the next table is "needles by ID no. The Rochester B series carburetor with long neck came on three sizes of GM six cylinder engines, the 216, 235 and 261. Adjusting an Edelbrock 1406 carburetor is a relatively straightforward engine maintenance task. was registered in 1910. Some people prefer constant depression carbs like the SUs or Strombergs to Solex carbs. Its a 1973 240Z, and I want to make sure it has the domed SU Carbs and not the flat-topped SU Carbs, which seem to be more prone to vapor lock from what Ive read. We are The Worlds Sole Manufacturer of Genuine SU Carburettors, Fuel Pumps and Spares. You'll find a carburetor for your Riding Lawn Mower or Snow Blower quickly so you can get back to your lawn and garden care. Not used since rebuild. Our Moss Tech "Hans" deciphers the world of SU Carburetors. I've tried the usual suspects incl SU but still waiting. We work on 4-wheelers, motorcycles, scooters, & motortrikes of all makes. My sincere Kudos go out to the author of this fine program!). Most of these carburetors are from British Vintage Autos. 090) HIF44/HS6 (0. Not only that, but we have them all in-stock and ready to ship to you today. Have peace of mind when ordering your rebuilt carburetors from us. Su Carburetor. I am not impressed with the linkage connecting the two carbs, it is just a piece of metal connected to the spring return arms. Empi 5746 SU Carburetor Synchroniz er Tool Air Cooled VW Bug Engines Sand Rail EMPI 40 HPMX Carb Only w/Chrome Velocity Stacks for Single Carb Set-Up 47-1010-2. 2: The position in relation to the driver. Absolute identification, while possible, normally would exceed the value of the carburetor! There is a $40. 090" main jets and 0. These photo collections of carburetors are jobs that we have done, and pictures we have received of various carburetor installations and assemblies. Dominate the dragstrip with gasoline- or alcohol-compatible carburetors. Whatever your SU Carburetor needs are, we can handle it. We stock carburetors for automotive, marine, agricultural, industrial and heavy duty truck applications. The number will be in the format 10-nnnn, where nnnn is some number generally LARGER than 500. Our stock of early solex, zenith, weber & s. ) determines the type, the. Shop with confidence on eBay!. 00 cc I-6 265. I have been using the above information to try and decipher my serial number in formation. do NOT contact me with unsolicited services or offers. Carburetor Sizing. I have heard different things about these carbs, but always form someone with their own agenda. It is neither inferred nor implied that any item sold by CARiD. Running changes are designated by 'SA', 'SB' and so on. SU Carbs Jaguar, Triumph, MG, Volvo Side bowl SU-301 Bottom bowl SU-303 German Zenith Carbs NDIX 402 TIN (takes 4) 404 INAT 405 VW Rabbit (takes 2) 406 (removal kit for 406 $10) Solex Carbs VW Beetle, Porsche, BMW 204 Racing 201. Weber and Hitachi SU parts as well as mechanical and electric fuel pumps. Read Carburetor books like Low Carb Diet And Lose 10 Pounds In 10 Days Easy and M. Rebuild Kits Float Needle Metering Needle Damper Spring Throttle Shaft** Floats ASTON MARTIN DB1 2 Liter Thermo 1949/50 SU 2xH4 AUC 485T DR/1450 6151 DR AUC1167 TS1500 NT-03. We have over the last 2 years acquired several Pierberg companies and a huge amount of stock. remove your old carb and bolt this on. Make sure there are no vacuum leaks. The Most Trusted Name in Carburetors Since 1954. ClassicCarbs Youtube Channel…. Suspension has new rack & pinion. Improperly set idle mixture screws are often the reason for carburetor symptoms such as hesitation, rough idle, backfire, stalling, hard starting, engine surge, and more. SU Carburettor Identification: There are a Few types of SU carburettors that are available. here is a used pair of 1. Fellow Minioids, I have some extra carbs laying around. Updraft - Model 68. I am fairly familiar with midget s but after a great deal of looking I can't positively identify the carbs and engine. 100) HS8 (0. Whenever you have a good, smooth-idling Hitachi carb handy, wiggle its throttle shaft. 5 slide cutaway, 106 needle jet, U-1 needle. Carter Carburetor Company History Carter Carburetor Company in St. So as following, some unique features to determine the type carb you have. That is why we custom build our customers' core, rather than sell a mass-produced carburetor, where parts have been mixed and matched. It would be best to check with the manufacturer directly. The bike has an Andrews B cam, Branch head work, and 9:1 compression. It IS NOT cast in stone. A good clear overview of a float carburetor using a needle valve. The list number for most performance and factory 2 and 4 barrel carburetors will be found stamped into the upper right hand corner of the airhorn or sometimes called the choke tower. HV2 carbs, identification help. We mention the 280Z in this section even though it originally had fuel injection because we feel it is a common practice to swap out the fuel injection for carburetors. Discover the best Carburetor books and audiobooks. Zama Carburetors and Parts - 2-Cycle. 5)Low fuel delivery. We also sell Solex (Mikuni) OEM and performance parts, and we occasionally have rebuilt Solex carburetors in stock. And after this post SU Carburetor Rebuild (H-4) | Tom Bryant, Wiscasset, Maine. Waving Goodbye to Carburetors, Nascar Prepares Switch to Fuel Injection by Paul Stenquist. Possibly damaged by a backfire condition. How Nascar finally made the switch away from carburetors for the 2012 race season—and why it took so long. OEM SU HIF type Carburettor Gasket Kit 90 110 Defe. Cheers, and thanks, Harv. Have changed spring and tweaked a lot but can't get it below 1500 when hot. Whatever your SU Carburetor needs are, we can handle it. I would guess that this is what you have. With top name brands like S&S Cycle and Kuryakyn, J&P Cycles is sure to carry the carburetor and rebuild kits you're looking for. MG Midget and Sprite Technical SU carbs damper springs BBS discussion at MG-Cars. The SU Reference Catalogue. Whether updraft, downdraft, or sidedraft, Zenith has the right carburetor to keep your machine performing at its peak. The document has moved here. The carburetor identification is made by letter prefix which indicates the float type: "H": in which the float bowl has an arm cast into its base, which mounts to the bottom of the carburetor with a hollow bolt or banjo fitting. Unlike other types of carburettor, which have fixed jets , the SU has only one jet, so the mixture setting affects the engine throughout its speed range. Most Amal carbs and reproduction parts are kept under. 2 SU tri carb set up. 2m (4ft) 3/16” I. Typical DCOE carbs come in the following standard throat diameters: 40, 45, 50, & 55. how to identify my carb Minis with carburettor engines were always fitted with SU (' S kinners U nion') carburettors. Fuel injection is gradually replacing carburetors in these nations too as they adopt emission regulations conceptually similar to those in force in Europe, Japan, Australia, and North America. The Most Trusted Name in Carburetors Since 1954. Otherwise A14T carburetors have the same number of fittings as the 1973-1975 A12T twin carbs SU manifold | A14T manifold Upload click to view. Some SUs also have exhaust. This concept was introduced along with the temperature compensating carburetor, where the main fuel jet automatically moves a bit vertically with temperature changes to reduce drift of the fuel mixture. High Performance Automotive Systems | Keihin North America. SU Carburettor Identification: There are a Few types of SU carburettors that are available.