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  3. DEATSCHWERKS TLX-DWK42M-03-0800-2-CL360A70

DEATSCHWERKS TLX-DWK42M-03-0800-2-CL360A70 Fuel Injectors RX-7 1.3T 800CC Impedance

fits make: Mazda. year: 1986–1987.

Tlx-dwk42m-03-0800-2-cl360a70 Deatschwerks Fuel Injectors For Mazda Rx-7 1986 1987 Fc 1.3t 800cc Low Impedance

( Brand: Deatschwerks ), ( Manufacturer Part Number: TLX-DWK42M-03-0800-2-CL360A70 ), ( Type: Automotive ), ( Item Weight: 2.0000 ), ( Item Height: 4.500 ), ( Item Length: 2.000 ), ( Item Width: 6.750 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year )

Review DEATSCHWERKS Fuel Injectors Mazda Rx-7 Fc 1.3t 800cc Low Impedance fits 1986–1987

The **Deatschwerks TLX-DWK42M-03-0800-2 (CL360A70) Fuel Injectors** are a meticulously engineered, high-performance upgrade designed specifically for the legendary **Mazda RX-7 (1986 1987 FC) 1.3L Twin-Turbo (800cc) engine**, delivering a seamless blend of precision, reliability, and power-enhancing capability. These injectors are crafted to replace the stock OEM components, offering a significant improvement in fuel delivery efficiency while maintaining compatibility with the FC s demanding turbocharged environment. Engineered with **high-flow, low-impedance** characteristics, these injectors feature a **0.800cc (800cc) capacity**, perfectly matched to the RX-7 s turbocharged induction system, ensuring optimal atomization and consistent fuel distribution even under aggressive throttle inputs or boost conditions. The **CL360A70** model incorporates **Deatschwerks proprietary CL (Clean Line) design**, which eliminates internal obstructions and promotes smoother fuel flow, reducing the risk of clogging or uneven spray patterns that can plague aftermarket alternatives. Built with **high-grade stainless steel and precision-machined internals**, these injectors are engineered to withstand the elevated pressures and temperatures generated by the RX-7 s twin-turbo setup, providing long-term durability without the need for excessive maintenance. Whether you re targeting subtle performance gains or preparing the FC for more aggressive modifications, these injectors serve as an ideal foundation for a refined fueling system, complementing upgrades like larger turbos, high-flow intake manifolds, or performance ECU tuning. With their **direct-fit compatibility** and **factory-style connectors**, installation is straightforward, allowing for a clean, professional finish without the need for extensive modifications. For enthusiasts seeking a balance of **reliability, performance, and authenticity**, the Deatschwerks TLX-DWK42M-03-0800-2 injectors represent a premium choice, ensuring that the FC s iconic 1.3L engine operates at its peak with confidence and consistency.

**Pros and Cons of Buying Deutschwerks TLX-DWK42M-03-0800-2 (CL360A70) Fuel Injectors for a 1986-1987 Mazda RX-7 (FC, 1.3T, 800cc, Impedance Matching)**

### **Pros**

1. **Improved Performance and Throttle Response**

The TLX injectors are designed for higher flow rates compared to stock Mazda injectors, allowing for better fuel delivery under aggressive driving conditions. This can result in smoother acceleration, especially when paired with a tuned engine or forced induction (like a turbo or supercharger). The 800cc injectors are a step up from stock, which may have been around 400cc or less, providing more fuel for increased power demands.

2. **Better Fuel Atomization and Combustion Efficiency**

Deutschwerks injectors are known for their precision engineering, which can lead to finer fuel atomization. This improves combustion efficiency, reducing the risk of fouling or incomplete burns, particularly in high-performance applications.

3. **Compatibility with Tuning and Modifications**

If you plan to modify your RX-7 (e.g., adding a turbo, upgrading the intake, or tuning the ECU), these injectors provide a solid foundation. They are designed to handle higher fuel demands without running rich, which is critical for preventing detonation or excessive carbon buildup.

4. **Durability and Reliability**

Deutschwerks is a reputable brand with a history of producing high-quality injectors for performance applications. These injectors are built to last longer than stock units, especially under demanding conditions, reducing the likelihood of premature failure.

5. **Easier Installation and Retrofitting**

The TLX injectors are designed to fit stock Mazda RX-7 fuel rail setups with minimal modifications. They come with gaskets and mounting hardware, and the installation process is straightforward for those with basic mechanical skills. No major wiring or ECU reprogramming is required unless you are tuning the engine.

6. **Support for Higher Horsepower Applications**

The 800cc size is suitable for naturally aspirated builds pushing around 250-350 horsepower or turbocharged setups in the 300-400 horsepower range, depending on supporting modifications (ignition, fuel pressure, etc.). This makes them a versatile choice for both street and mild performance builds.

7. **Consistency and Calibration**

Deutschwerks injectors are calibrated for precise fuel delivery, which helps maintain a consistent air-fuel ratio. This is beneficial for both drivability and longevity, especially if you are running a standalone ECU or aftermarket tuning solution.

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### **Cons**

1. **Cost**

These injectors are significantly more expensive than stock Mazda injectors. For a pair (two injectors), the price can range from $200 to $400 or more, depending on where you purchase them. This is a substantial investment, especially for a project car or a stock daily driver.

2. **Requires Supporting Modifications**

While the injectors themselves are a great upgrade, simply swapping them in without other supporting modifications (e.g., upgraded fuel pump, fuel pressure regulator, ECU tuning, or ignition system) will not yield optimal results. You may still experience rich conditions, poor idle, or stumbling if the rest of the system isn t adjusted accordingly. This could lead to wasted money if you don t address these issues.

3. **Potential for Overkill on Stock or Mildly Modified Engines**

If your RX-7 is running stock or with only minor modifications (e.g., cold air intake, minor camshaft upgrade), the 800cc injectors may be overkill. The stock engine may not generate enough power to fully utilize the injectors capacity, leading to inefficient fuel consumption and no noticeable performance gains. In such cases, smaller injectors (e.g., 600cc) might be a more cost-effective choice.

4. **ECU or Tuning Requirement**

Stock ECUs are calibrated for stock injectors and may not account for the increased flow of Deutschwerks units. This can result in a lean condition, causing rough idle, hesitation, or even engine damage if the fuel delivery isn t adjusted. You will need to either:

- Use a standalone ECU (like Haltech, Link, or MegaSquirt) for custom tuning, or

- Flash a custom tune for your RX-7 (if your ECU is tunable, such as with a Mazdaspeed or aftermarket solution).

This adds complexity and cost to the project.

5. **Fuel System Upgrades May Be Necessary**

Stock fuel systems (pump, lines, and pressure regulator) may not be adequate for higher-flow injectors. You may need to upgrade to a high-flow fuel pump (e.g., Walbro 450 or 600), a performance fuel pressure regulator, and reinforced fuel lines to avoid pressure drops or fuel starvation under load.

6. **Potential for Carbon Buildup**

If the engine runs rich due to improper tuning or fuel delivery issues, carbon buildup on intake valves and pistons can occur. This is more common in turbocharged applications but can happen in naturally aspirated builds if fueling is not dialed in correctly. Regular maintenance (e.g., valve cleaning) may be required.

7. **Learning Curve for Installation and Tuning**

While the injectors are relatively easy to install, tuning them properly requires knowledge of fuel delivery, ignition timing, and air-fuel ratio management. Mistakes in tuning can lead to poor performance, reduced fuel efficiency, or even engine damage. Beginners may need to consult with a professional tuner or rely on community resources (e.g., forums like RX-7.net or MazdaSpeed.com) for guidance.

8. **Limited Availability of Parts and Support**

While Deutschwerks is a well-known brand, finding authorized dealers or support for these injectors can be challenging, especially for niche applications like the RX-7. You may need to order online or rely on specialty performance parts suppliers.

---

### **Conclusion**

The **Deutschwerks TLX-DWK42M-03-0800-2 injectors** are an excellent choice for **1986-1987 Mazda RX-7 owners** planning to push their engines beyond stock performance, whether through forced induction, aggressive tuning, or significant modifications. They offer **superior flow rates, durability, and compatibility with performance builds**, making them a worthwhile investment for those committed to a project or high-performance application.

However, they are **not a drop-in solution** they require **supporting modifications (fuel pump, pressure regulator, tuning)** to perform optimally. For **stock or mildly modified RX-7s**, these injectors may be **overkill and unnecessarily expensive**, as smaller injectors (e.g., 600cc) could suffice without the added complexity.

If you are **serious about performance** and willing to invest in the necessary supporting upgrades, these injectors will **significantly enhance your RX-7 s power delivery, throttle response, and reliability**. If you are unsure about tuning or fuel system upgrades, consulting with an **RX-7 specialist or performance tuner** before purchasing is highly recommended.

---

### **Recommendation**

- **Buy the Deutschwerks TLX-DWK42M-03-0800-2 injectors if:**

- You are **planning a turbocharged or supercharged build** (300 horsepower).

- You are **running a standalone ECU or aftermarket tuning solution** (e.g., Haltech, Link, or custom flash).

- You have **upgraded your fuel system** (high-flow pump, performance regulator, reinforced lines).

- You are **willing to invest in tuning and maintenance** to ensure optimal performance.

- **Consider alternative injectors if:**

- Your RX-7 is **stock or mildly modified** (e.g., cold air intake, minor camshaft). In this case, **600cc or 700cc injectors** may be sufficient and more cost-effective.

- You **lack experience with tuning** and are unsure about fuel delivery adjustments. A **professional tuner** should be consulted before installation.

- You are **on a tight budget** and cannot afford supporting modifications. Stock injectors or smaller upgrades may be a better starting point.

- **Before purchasing, ensure you have:**

- A **high-quality fuel pump** (e.g., Walbro 450 ).

- A **performance fuel pressure regulator** (set to the correct PSI for your application).

- Access to **ECU tuning** (either through a tuner or a programmable ECU like Haltech).

- **Reinforced fuel lines** to prevent pressure drops under load.

If you proceed with these injectors, **proper tuning and maintenance** will be critical to maximizing their benefits and avoiding potential issues. For the best results, **join RX-7 performance forums** to learn from others who have made similar upgrades.

Details:

In 2009 DW expanded into fuel pumps with the DW300 first in-tank pump to outflow standard 255 LPH. DeatschWerks' roots were established by offering high flow drop-in fitment fuel injectors. Since then, DW has developed innovative fuel system components such as the in-line 250iL and 350iL pumps, modular surge tanks, conversion rails, dual-stage filters, ethanol compatible pressure regulators.: FEATURES DeatschWerks 86-87 RX7 FC 1.3t 800cc Low Impedance Top Feed Injectors. Connector Shape: Mini timer/Ketogenic.

DeatschWerks 800cc Injector Sets -Rotary. Factory Sealed - Brand new in box. Part Number: 42M-03-0800-2.

part #: tlx-dwk42m-03-0800-2-cl360a70 price

  • $306.17

specifications carfuelinjector:

  • for makes: Mazda
  • for years: 1986-1987
  • brand: Deatschwerks
  • mpn: Tlx-dwk42m-03-0800-2-cl360a70
  • type: Automotive
  • item weight: 2.0000
  • item height: 4.500
  • item length: 2.000
  • item width: 6.750
  • fitment type: Direct Replacement
  • generic keywords 1: See Notes
  • intended use: Automobiles
  • manufacturer warranty: 1 Year

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for makes: mazda, for years: 1986-1987, type: automotive, item weight: 2.0000, item height: 4.500, item length: 2.000, item width: 6.750, fitment type: direct replacement, generic keywords 1: see notes, intended use: automobiles, manufacturer warranty: 1 year,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 15459758847072722,
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  • New. Offer #1 priced at $306.17 + $0.00 shipping estimate = $306.17* total. Since then, DW has developed innovative fuel system components such as the in-line 250iL and 350iL pumps, modular surge tanks, conversion fuel rails, dual-stage fuel filters, and ethanol compatible fuel pressure regulators. ft.FREE SHIPPING

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