CHRYSLER 481061 Middle Carburetor Cylinder Rebuild WB21A

( Manufacturer Part Number: 481061 ), ( Part Type: Hp Carburetor Cylinder ), ( Country Of Manufacture: United States ), ( Donor Motor: Loose )

Review CHRYSLER Middle Carburetor Hp Cylinder Ready Rebuild fits 1977–1985

The **Chrysler 481061 WB21A 1977 1984 Middle Carburetor 85 HP Cylinder** is a meticulously crafted, high-performance rebuild kit designed specifically for the iconic **225 cubic-inch (3.7L) LA-series V8 engine**, commonly found in classic Chrysler vehicles from the late 1970s through the early 1980s. This cylinder is engineered to restore or enhance the reliability and efficiency of the **middle carburetor intake manifold** configuration, which was standard on models like the **Dodge Dart, Plymouth Volare, Chrysler LeBaron, and other mid-sized muscle cars** of the era. Built to exacting specifications, this component features a **precision-machined aluminum casting**, ensuring optimal airflow and structural integrity while maintaining compatibility with the original engine bay layout. The **85 HP rating** reflects its balanced performance, offering a blend of smooth operation and adequate power output for both street driving and light cruising applications. Whether you're restoring a classic for show or preparing it for weekend drives, this cylinder provides a seamless fit with the **WB21A intake manifold**, complete with the necessary gasket surfaces and mounting holes to guarantee a leak-free, high-performance installation. Ideal for enthusiasts seeking a reliable rebuild solution without the complexity of a full engine overhaul, this cylinder is a testament to Chrysler s engineering legacy, delivering both authenticity and dependable performance for decades of driving enjoyment.

### **Pros and Cons of Buying a Chrysler 481061 WB21A (1977 1984) Middle Carburetor, 85 HP Cylinder for Rebuild**

1. **Common and Well-Documented Engine** The Chrysler 481061 (also known as the **WB21A**) is a widely used engine in classic muscle cars, particularly in the **Dodge Challenger, Plymouth Barracuda, and Chrysler Cordoba**. This means parts, manuals, and rebuild support are readily available.

2. **Proven Reliability with Proper Maintenance** When rebuilt correctly, these engines are known for durability. Many examples still run strong in show cars, drag racing, and street applications, especially when paired with modern upgrades like fuel injection or high-performance carburetors.

3. **Affordable Parts Market** Since these engines were produced in large quantities, used components (cylinders, pistons, rods, heads, etc.) are often cheaper than aftermarket alternatives. This makes a rebuild cost-effective compared to newer engines.

4. **Modular and Upgradable** The WB21A is a **pushrod V8** with a **cast-iron block and heads**, meaning it can handle significant modifications. You can easily swap in **forged internals, high-flow heads, or a performance carburetor** (like a **Holley 650 or Edelbrock**).

5. **Great for Beginners and Experts Alike** If you're learning engine rebuilding, this is a good intermediate project. It s complex enough to be challenging but not so rare that parts are hard to find. Experienced mechanics also appreciate its straightforward design.

6. **Potential for High Performance** With the right modifications (big valves, camshaft, headers, and a strong carburetor), these engines can produce **200 300 horsepower** in stock-block form, making them suitable for **street, strip, or show applications**.

7. **Classic Muscle Car Appeal** If you're restoring a ** 70s muscle car**, this engine is a natural fit. Its sound and presence add to the vintage charm, and many enthusiasts prefer the **raw, unfiltered power** of a carbureted pushrod V8 over modern fuel-injected engines.

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1. **Potential for Internal Wear** If the cylinder you're buying has **high mileage or poor maintenance history**, it may require **full rebuild work** (new pistons, rings, bearings, etc.). Always inspect for **scoring, taper, or excessive wear** before committing.

2. **Carburetor Reliability Issues** The **middle carburetor setup** (common in ** 77 84 models**) can be finicky. **Vacuum leaks, float issues, and fuel pump problems** are frequent complaints. A **modern carburetor (like a Holley 650) or fuel injection** may be necessary for reliability.

3. **Emissions and Modern Compliance** If you plan to **drive this on the street today**, you may need **emissions modifications** (catalytic converter, OBD-II compliance, or a **smog-certified carburetor**). Some states have strict regulations that could make this engine **less practical for daily use**.

4. **Fuel Economy Concerns** These engines **thirst for gas**, especially with a carburetor. Expect **10 15 MPG in a stock setup**, which may not be ideal for daily driving unless you have a large fuel tank or a modified fuel system.

5. **Head Gasket and Cooling System Issues** The **cast-iron heads** are prone to **warping and leaks**, especially if the engine was overheated. A **full head service** (sealing, valve job, or replacement) may be needed. The **cooling system** (water pump, thermostat, hoses) should also be inspected for rust or failure.

6. **Noise and Vibration** A **rebuilt but stock-sounding WB21A** can be **loud and rough**, especially with a **single 4-barrel carburetor**. If you're sensitive to noise or plan to drive it in residential areas, expect **neighbor complaints** unless you add **headers and a muffler system**.

7. **Limited Aftermarket Support for Some Parts** While **common parts** (like pistons, rods, and heads) are easy to find, **lesser-known components** (like **specific gaskets, seals, or rare carburetor parts**) may require special ordering.

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The **Chrysler 481061 WB21A (1977 1984) middle carburetor, 85 HP cylinder** is a **great choice for enthusiasts** who want a **reliable, modifiable, and historically significant engine** for a **restoration, drag racing, or street performance project**. It offers **excellent value for money** in terms of parts availability and potential power gains.

However, it is **not ideal for someone looking for a plug-and-play, modern, or fuel-efficient engine**. If you're **not experienced with carburetors, engine rebuilding, or classic car maintenance**, this project could become **costly and frustrating** if issues arise.

- You have **mechanical experience** (or are willing to learn) and enjoy **hands-on engine work**.

- You're restoring a ** 70s muscle car** and want **authentic, raw power**.

- You plan to **modify it aggressively** (headers, cam, carburetor, or fuel injection).

- You **don t mind noise, poor fuel economy, or occasional carburetor tuning**.

- You **inspect the cylinder thoroughly** (check for wear, taper, and overall condition) before purchasing.

- You want a **modern, reliable, or emissions-compliant** engine for daily driving.

- You **lack mechanical skills** or patience for carburetor tuning and engine rebuilding.

- You **can t afford unexpected repair costs** (e.g., head gasket leaks, rod bearing failure).

- You **prefer fuel injection** over carburetors for simplicity and reliability.

**Final Verdict:** This is a **fantastic engine for the right buyer** someone who appreciates **classic muscle car heritage** and doesn t mind putting in the work to make it **roar again**. If you're serious about it, **buy the cylinder, inspect it carefully, and plan for a full rebuild** to maximize its potential.

Details:

Like I said before, we cleaned them and advise a rebuild. These are used carbs. Please be absolutely sure this is the correct one for your motor prior to purchasing.

They are sold as-is. 1977 1984 - 85 HP. Altman, IL 62411. The item you are looking at is guaranteed to be described, pictured, and cross-referenced correctly.

part #: 481061 prices

• $115.00-$200.00

specifications ouboaen:

• for makes: Chrysler
• for years: 1977-1985
• mpn: 481061
• part type: Hp Carburetor Cylinder
• country of manufacture: United States
• donor motor: Loose

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: For parts or not working

shipping ouboaen:

• type: Fixed
• transit: 2-6 Days
• service: Standard
• class: Standard
• cost: $0.00

seller ouboaen:

• rating: 99.8%
• # reviews: 34286
• city: Altamont, Illinois

offer ouboaen:

• sold: 0
• started: March 10, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

returns ouboaen:

• policy: No Returns

payments ouboaen:

• wallet: Paypal
• credit card: Diners-club
• other

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