SU AUD-549 Sprite Midget Carburetor Set 1275CC

( Brand: Su ), ( Manufacturer Part Number: AUD-549 ), ( Items Included: Gasket ), ( Material: Alloy, Aluminum ), ( Vintage Part: Yes ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: 2 Bolt ), ( Manufacturer Warranty: 1 Year ), ( Features: Constant-vacuum, Side Draft, Twin ), ( Country/region Of Manufacture: United Kingdom ), ( Universal Fitment: No )

Review SU Austin healey Sprite Or Mg Midget 1275cc Carburetor Set Aud 549 fits HS2 1972–1974

The SU AUD-549 carburetor set is a legendary performance enhancer for the Austin-Healey Sprite and Midget models equipped with the 1275cc engine, manufactured between 1972 and 1974. This high-performance carburetor configuration, specifically designed by SU Carburetors, offers significant improvements in power delivery and overall driving experience.

The AUD-549 set consists of a pair of 1 1/2-inch SU HS2 carburetors. These carburetors are renowned for their ability to provide a precise fuel-air mixture for efficient combustion, resulting in improved acceleration, smoother idling, and increased power output. Each carburetor features an adjustable choke mechanism for easier cold starting and a venturi design that ensures optimal engine response across the entire RPM range.

The HS2 carburetors in the AUD-549 set are equipped with a secondary fuel metering jet, which allows for optimal fuel delivery under high-load conditions. This results in improved power and torque, making the engine more responsive and agile. Furthermore, these carburetors are fitted with SU's innovative Synchro-Mix system, which automatically adjusts the fuel-air mixture according to engine load and temperature, ensuring consistent performance under various driving conditions.

The AUD-549 set is designed to replace the original SU HS1 carburetors found on the 1275cc Austin-Healey Sprites and Midgets. The installation process is relatively straightforward, with most enthusiasts completing the job in a day or two. The kit includes all necessary hardware for a direct replacement, including mounting brackets, fuel lines, and gaskets.

The SU AUD-549 carburetor set is a popular choice among Austin-Healey owners and enthusiasts looking to enhance the performance of their 1275cc Sprites and Midgets. The improvements in power, torque, and overall driving experience make this upgrade a worthwhile investment for those seeking to extract the most from their classic vehicle.

The Austin-Healey Sprite Midget is a classic British sports car known for its agility, handling, and affordability. The SU Carburetors AU-549 1275cc HS2 carburetor set is a popular choice for those looking to restore or upgrade the performance of their Sprite. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this carburetor set.

1. Improved Performance: The HS2 carburetor set offers better fuel-air mixture, resulting in improved engine performance. It may lead to increased power and torque, making your Sprite more responsive and fun to drive.

2. Authenticity: For those who value originality, the AU-549 carburetor set is a direct replacement for the original SU HS carburetors found in the Sprite. This can enhance the car's authenticity and appeal to purists.

3. Availability: The AU-549 carburetor set is widely available from various suppliers, ensuring that you can easily find one if you need a replacement or an upgrade.

4. Cost-Effective: Compared to other high-performance carburetor options, the AU-549 set is relatively affordable, making it a cost-effective choice for Sprite owners.

1. Complexity: Carburetors can be finicky, and the AU-549 set requires some tuning and adjustment to ensure optimal performance. This may require some time, patience, and expertise.

2. Fuel Economy: While the improved performance may be desirable for some, it could lead to decreased fuel economy. This may be a concern for those looking to save on fuel costs or reduce their carbon footprint.

3. Maintenance: Carburetors require regular maintenance and cleaning to ensure they operate efficiently. This can be time-consuming and may require some mechanical skills.

The decision to purchase the AU-549 1275cc HS2 carburetor set for your Austin-Healey Sprite Midget depends on your priorities and preferences. If you value improved performance, authenticity, and affordability, then this carburetor set may be the right choice for you. However, if you are concerned about the complexity, maintenance requirements, and potential impact on fuel economy, you may want to consider other options. Ultimately, the best decision is one that aligns with your goals, budget, and level of mechanical expertise.

For those who are comfortable working on their Sprite and are looking for an affordable, authentic, and performance-enhancing upgrade, the AU-549 1275cc HS2 carburetor set is a solid choice. However, it is essential to be prepared for the potential challenges that come with working on carburetors, such as tuning and maintenance. Alternatively, those who prefer a more straightforward and hassle-free solution may want to consider electronic fuel injection systems as an alternative.

Details:

1 Year Unlimited Mileage Warranty. Standard 'ABC' metering needles installed. New standard size throttle shafts installed. Rebuilt 1972-74 Austin-Healey or MG Midget 1275cc SU HS2 Carburetor Set AUD549.

New fuel inlet needle valves installed and float levels set. Minor adjustments and synchronization to be performed by buyer. Carburettors and linkages were totally disassembled then chemically ultrasonically cleaned. New gaskets and jets installed.

Includes new mounting gaskets. Set to factory default settings. Passages were blown clear with high pressure air. Air valve and Suction covers were polished then drop tested.

Mounting Surfaces trued.

part #: aud549 prices

• $29.98-$250.00

specifications carbcoon:

• for models: Hs2
• for makes: Austin, Healey
• for years: 1972-1974
• brand: Su
• mpn: Aud-549
• items included: Gasket
• material: Alloy, Aluminum
• vintage part: Yes
• choke type: Mechanical
• type: Carburetor
• mounting flange type: 2 Bolt
• manufacturer warranty: 1 Year
• features: Constant-vacuum, Side Draft, Twin
• country/region of manufacture: United Kingdom
• universal fitment: No

general carbcoon:

• condition: Remanufactured
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

shipping carbcoon:

• transit: 5-11 Days
• service: USPS Priority Mail
• cost: $0.00
• carrier: USPS
• class: Expedited
• type: Fixed

seller carbcoon:

• city: La Sal, Utah
• rating: 100.0%
• # reviews: 1007

payments carbcoon:

• credit card: Visa
• wallet: Paypal
• other

offer carbcoon:

• started: May 25, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1

returns carbcoon:

• policy: No Returns

Su AUD-549 Is Similar To:

• Uni-syn Mod-a 000123 Uni-syn Carburetor Synchronizer carb Synchronizing balancing Tool Weber Su Type (27.7% similar) This uni-syn mod-a carburetor synchronize is an essential tool for balancing twin carburetors. But it is a must-have for anyone looking better-balanced carburetor...(May 28th, 2024)
• Su Aud-4053 Volvo Hif-6 Hot Start Valve From 1971 To 1974 And Later (27.1% similar) This is a GIF-6 hot start valve fits Volvo automobiles from 1971 to 1974 , as well later model's. See pictures to verify the condition and fitment of part before purchasing. Moves and looks fine...(June 2nd, 2024)
• Intake Manifold Hjd42w-r6 Dual Su Carburetor Carb 062 Vintage Datsun Volvo Import Car (28.9% similar) Used carbs removed from a parts car years ago. I am not familiar with all makes and model's this fits. Carbs are stamped HJD42W-R6. Carbs appear to be mostly complete. Have sat on the shelf since. Manifold has casting number 062. Will need a rebuild before use. Comes just as pictured...(June 9th, 2024)
• Su Aud136r Carburetor Off 1964-66 Mg Midget 1098cc 4-h Sprite 1275cc 67-68 Hs2 (28.9% similar) The carburetor features a mechanical choke type. This Su carburetor AUD136R is a great addition for any vintage car enthusiast. It is compatible with various model's and manufacturers, making it a versatile option for any car owner. It is designed for use with 1964 -66 mg midget 1098CC and 4-H...(June 13th, 2024)
• Su Aud135 Original Mg Mgb 1962-1967 Hs4 Carburetor Set Aud 135 For Rebuild (54.3% similar) It was manufactured in the united kingdom and is an OE/oem part number AUD135 this original Su HS4 carburetor set aud 135 r is a vintage part for the mg GB 1962 -1967. It features a side draft and mechanical choke type, with mounting flange type of spread bore. The carburetor is made of...(June 15th, 2024)
• Su Auc1159 Jaguar Xk120 140 Triumph Tr3 Tr4 Carburetor H6 Carb Float Bowl Oem (35.2% similar) Su carburetor h6 carb used float bowl AUC1159...(June 20th, 2024)
• Su Auc6040 Triumph Tr3 Tr4 H6 Front Carburetor Body With Linkage auc6040 (36% similar) Marked aux 6040 .the throttle shaft is very tight and shows minimal wear. Some hard to find linkage pieces are included as pictured. Actual part is pictured. Other Su parts AVAILABLE.$10 shipping 50 states, pr. You are buying one TR3 Su 1/3 /4 inch h6 carburetor body as pictured...(June 21st, 2024)
• Volvo Su Aud-252 67 68 144 B18 Hs6 Aud 252 Carb For Parts Or Rebuild (35.7% similar) The chamber is not corroded or scratched. The needle is missing. All of the moving parts move freely. Used Su HS6 carb for parts or rebuild. The bottom feed line is broken. The are a couple missing screws and washers on the chamber top. Lots of good parts or a starting point for rebuild...(July 5th, 2024)
• Datsun Su6465 1964 1965 Fairlady 1500 Dual Su Carburetor Carbs (36% similar) 3x 1964 1965 Dotson fair lady 1500 dual Su carburetor carbs, no id tags or stamp numbers...(July 6th, 2024)
• Su Aud266f Hs2 Carburetor Aud 266f Mg Midget Ah Sprite For Parts Or Rebuild (33.1% similar) Good used core Su HS2 carb for rebuilding, everything moves freely. The carb tag lists it as an aud 266 r but is a front. Nothing is broken. The screws all seem to turn freely. The shafts seem in good order...(July 9th, 2024)
• Su Hif6 Vintage Hif 6 Carburetor Volvo Used (38.2% similar) It has been used probably on a Volvo. Good for parts or rebuild. Sold in the continental USA only. This is a vintage Su GIF 6 carburetor. This has been stored in a garage for over 40 years. Look closely at the pictures before buying. Linkage moves freely but the piston is...(July 10th, 2024)