BFO QNOWP4 Conversion Big Body Motor Mount 66-72 70-74 383

( Brand: Bfo ), ( Manufacturer Part Number: QNOWP4 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Custom Bundle: Yes ), ( Fit 1: For Dodge 1970 1974 E Body. ), ( Fitment Type: Direct Replacement ), ( Items Included: Bracket, Engine Mount, Mounting Hardware ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Number In Pack: 1 Kit ), ( Oe/oem Part Number: Motor Mount ), ( Quantity: 1x Motor Mount )

Review BFO Conversion Big Blk 66-72 B body 70-74 E Motor Mount 383 Dodge New fits 440

The **BFO QNOWP4 Conversion Kit** is a meticulously engineered aftermarket solution designed to seamlessly integrate a **Big 66-72 B-Body or E-Body 70-74 383/440 cubic-inch motor** into a classic Dodge chassis, transforming it into a high-performance, street-legal powerhouse. This conversion kit is crafted with precision to address the unique challenges of mounting a heavy, high-output V8 engine into the compact engine bay of these iconic muscle cars, ensuring optimal clearance, structural integrity, and drivability. The kit features a **custom fabricated 440 motor mount**, specifically tuned to support the weight and torque of the 383 or 440 big-block while maintaining alignment with the transmission and driveshaft. Unlike generic mounts, this component is designed to eliminate the need for excessive modifications to the firewall or suspension, preserving the original aesthetic and handling characteristics of the vehicle. The kit also includes **reinforced brackets and mounting hardware**, often forged from high-grade steel, to distribute engine load evenly across the chassis, reducing stress on the stock suspension and frame. For added convenience and reliability, the QNOWP4 conversion is compatible with a wide range of **440-based transmissions**, including the **4-speed manual and 727/728 automatic**, ensuring smooth operation whether you re seeking a manual-driving experience or the convenience of an automatic. Whether you re restoring a vintage Dodge Challenger, Coronet, or Charger, this conversion kit bridges the gap between classic muscle car heritage and modern performance, allowing enthusiasts to harness the raw power of a big-block engine without sacrificing the soul of the original vehicle. With its focus on **fitment, durability, and ease of installation**, the BFO QNOWP4 is an indispensable upgrade for those looking to push the limits of their B-Body or E-Body while keeping the spirit of the classic intact.

### **Pros and Cons of Buying a BFO QNOWP4 Conversion Kit for a 1966-1972 B-Body or 1970-1974 E-Body with a 383/440 Motor Mount**

#### **Overview**

The **BFO QNOWP4** is a popular conversion kit designed to adapt a **383 or 440 cubic inch small-block Chevy engine** to fit into a **Dodge B-Body (1966-1972) or E-Body (1970-1974)** chassis. This kit allows for a more powerful, high-performance engine swap while maintaining drivability and compatibility. Below are the key advantages and disadvantages of purchasing this conversion.

---

### **Pros**

1. **Increased Horsepower & Performance**

- The **383 or 440 Chevy small-block** is a proven, high-performance engine with strong aftermarket support.

- These engines can be built to produce **300 HP** with relatively modest modifications, making them ideal for street or light track use.

- Better throttle response and acceleration compared to stock Dodge V8s (especially the **318, 360, or 440 Magnum**).

2. **Better Engine Reliability & Longevity**

- Chevy small-blocks are **well-documented, widely available, and easier to maintain** than some Dodge engines (e.g., early 440 Six-Pack or 426 Hemi).

- Strong aftermarket parts ecosystem (cranks, rods, pistons, headers, etc.) ensures longevity if properly built.

- Less prone to catastrophic failure compared to some Dodge engines with weaker internals.

3. **Improved Drivability & Smoothness**

- The **440** (especially the **440 Six-Pack**) is known for its **smooth power delivery**, making it a great choice for daily driving.

- The **383** is a more refined option with better fuel economy and easier tuning.

- Both engines run better on modern fuels and ignition systems compared to older Dodge powerplants.

4. **Compatibility with Modern Modifications**

- Easy to **turbocharge, supercharge, or nitrous** for even more power.

- Works well with **ECU tuning (HP Tuners, Link, etc.)** for optimal performance.

- Can be paired with **modern transmissions (Tremec T56, BorgWarner Tremec, etc.)** for better shifting.

5. **Lower Cost Compared to Full Engine Swaps**

- A **used 383/440** (especially a **440 Six-Pack**) can be found for **$1,500 $3,500**, depending on condition.

- The **BFO QNOWP4 kit** itself is relatively affordable ( $500 $800), making the overall project more budget-friendly than a full **426 Hemi or 468 Magnum** swap.

- Avoids the complexity and cost of a **full B-body/E-body engine bay rebuild** (e.g., firewall changes, exhaust routing).

6. **Better Fuel Economy Than Stock Dodge V8s**

- A **383 with a carburetor** can achieve **12 15 MPG** in a B-body, while a **440 with fuel injection** can still get **10 14 MPG**.

- More efficient than a **360 or 440 Magnum**, which often struggle below **10 MPG**.

7. **Easier to Find Parts & Support**

- Chevy small-blocks have **decades of aftermarket support**, meaning parts are widely available.

- Forums like **Chevy101, HP Tuners, and Dodge forums** have extensive discussions on swaps.

- Dealers and junkyards frequently have **used 383/440 engines** in stock.

8. **Aesthetic & Customization Options**

- The **440 Six-Pack** has a **distinctive look** that stands out on a Dodge.

- Can be paired with **aftermarket intakes, exhausts, and valve covers** for a custom appearance.

- Easier to **modify for nitrous or forced induction** than some Dodge engines.

9. **No Major Chassis Modifications Needed**

- The **BFO kit** is designed to fit **without major firewall or suspension changes**, making it a **plug-and-play** solution.

- Unlike a **426 Hemi swap**, which requires **steering column relocation and exhaust modifications**, this is a simpler process.

10. **Good for Both Street & Light Track Use**

- The **383** is great for **daily driving with performance tuning**.

- The **440** is better suited for **track use or heavy-duty street applications**.

- Both can be **built to handle **150 250 HP** with minimal stress.

---

### **Cons**

1. **Not as Powerful as a 426 Hemi or 468 Magnum**

- While the **440 Six-Pack** is strong, it **doesn t match the raw power** of a **426 Hemi (425 500 HP)** or **468 Magnum (400 500 HP)**.

- If **maximum horsepower** is the goal, these engines are **not the best choice**.

2. **Potential Compatibility Issues with Some Bodies**

- The **BFO kit is primarily designed for B-Body (Dart, Coronet, Charger) and E-Body (Charger, Coronet, Super Bee)**.

- **A-Body (Dart GT, Coronet GT) or early B-Body (1966 1967) models** may require **additional modifications** (e.g., steering column relocation).

- **E-Body (1970 1974) models** may need **exhaust modifications** due to tighter packaging.

3. **Weight Considerations**

- A **383/440 Chevy engine is heavier than a stock Dodge 360 or 440 Magnum**, which could slightly **reduce acceleration** in a lightweight B-body.

- The **440 Six-Pack** is **heavier than a 383**, which may affect **handling in a rear-wheel-drive car**.

4. **Fuel & Ignition System Upgrades May Be Needed**

- Older **383/440 engines** (especially pre-1970) may require **modern fuel pumps, injectors, or ignition systems** for optimal performance.

- **Fuel injection (EFI) is recommended** for **440s** to prevent **vacuum leaks and rough idling**.

- **Carbureted 383s** can be **fussy on modern fuels** and may need **aftermarket carbs (Holley, Edelbrock)**.

5. **Transmission & Drivetrain Considerations**

- The **stock 727/727T TorqueFlite** (common in B/E-bodies) **is not ideal for high horsepower** and may require **upgrades (heavy-duty flywheel, clutch, or a manual transmission)**.

- A **Tremec T56 or BorgWarner Tremec** is a **better choice** for **383/440 power**, but this adds cost.

- **Differential strength** may need reinforcement if running **high horsepower**.

6. **Exhaust & Emissions Compliance**

- **Modern emissions laws** may require **catalytic converters or OBD-II compliance**, which can **restrict exhaust flow**.

- **California or strict emissions states** may make **modifications harder** due to **smog certification requirements**.

- **Stock exhaust headers** may need **modifications** to clear **fender wells or body panels**.

7. **Potential for Poorly Built Engines**

- If purchasing a **used 383/440**, there is a risk of **internal damage (bent rods, cracked blocks, worn bearings)**.

- A **full rebuild or inspection** may be necessary before installation, adding **time and cost**.

- **Cheap aftermarket parts** (e.g., junkyard rods, pistons) can lead to **premature failure**.

8. **Limited Aftermarket Support for Dodge-Specific Mods**

- While Chevy parts are **easy to find**, **Dodge-specific mods** (e.g., **steering column relocation, exhaust manifolds**) may require **custom fabrication**.

- Some **Dodge-only components** (e.g., **440 Magnum oil pans, bellhousings**) may not fit without **adapters or machining**.

9. **Potential for Overheating in High-Performance Applications**

- The **stock cooling system** in B/E-bodies was designed for **360 440 Magnum power**, which may **struggle with 383/440 power** under heavy loads.

- **Upgraded radiators, fans, and water pumps** may

Details:

For Dodge 1966 - 1972 B Body, 1966-72 C-body and 1970 1974 E Body 383 440. Powder coated engine brackets. Condition: 100% Brand New. PRODUCT DISPLAY Conversion Big Blk 66-72 B-Body 70-74 E-Body Motor Mount 383 440 for Dodge New.

Warranty: 2 Year warranty for any manufacturing defect. Applications. Built to strict quality control standards. Fast Shipping.

Package including: Motor Mounts. Guaranteed Fitment Always the correct part.

specifications engimou:

• for models: 440
• for makes: Dodge
• brand: Bfo
• mpn: Qnowp4
• california prop 65 warning: California Prop 65 Warning
• custom bundle: Yes
• fit 1: For Dodge 1970 1974 E Body.
• fitment type: Direct Replacement
• items included: Bracket, Engine Mount, Mounting Hardware
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• number in pack: 1 Kit
• oe/oem part number: Motor Mount
• quantity: 1x Motor Mount

payments engimou:

• wallet: Google-pay
• other
• credit card: Visa

returns engimou:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

seller engimou:

• rating: 99.6%
• # reviews: 5423
• city: Rowland height, California

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: New

offer engimou:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 29, 2026
• availability: In Stock

shipping engimou:

• cost: $0.00
• type: Fixed
• carrier: FedEx
• transit: 4-8 Days
• service: FedEx Ground / FedEx Home Delivery
• class: Standard

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