Katerina Swanson
The fuel injectors in the Nissan 350Z 03-08' model are 1500cc DeatschWerks fuel injectors. They are a set of six high-performance fuel injectors that were first introduced in 2005. The flow rate of these injectors varies depending on the pressure. For example, at 29.0 PSI, the flow rate is 1245 CC/min, while at 58.7 PSI, the flow rate increases to 1790 CC/min. It is important to note that the flow rate of fuel injectors can be influenced by factors such as the density and temperature of the fuel. Additionally, there are other fuel injector options available for the Nissan 350Z, such as the Bosch Fuel Injectors and the AdminTuning 650cc/min Fuel Injectors.
| Characteristics | Values |
|---|---|
| Brand | DeatschWerks |
| Vehicle compatibility | Nissan 350z 03-08' |
| CC | 1500 |
| Number of injectors | 6 |
| Flow rate in CC per minute | 1245 CC/min @ 29.0 PSI |
| Flow rate in LB per hour | 118.6 LBS/HR @ 29.0 PSI |
| Flow rate in CC per minute | 1530 CC/min @ 43.5 PSI |
| Flow rate in LB per hour | 145.7 LBS/HR @ 43.5 PSI |
| Flow rate in CC per minute | 1790 CC/min @ 58.7 PSI |
| Flow rate in LB per hour | 170.4 LBS/HR @ 58.7 PSI |
| Flow rate in CC per minute | 2062 CC/min @ 72.5 PSI |
| Flow rate in LB per hour | 196.4 LBS/HR @ 72.5 PSI |
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What You'll Learn
- The 2003-2008 Nissan 350Z uses 1500cc DeatschWerks fuel injectors
- The injectors can be purchased from TREperformance with free shipping to the USA
- The flow rate of the injectors varies depending on the pressure
- The DW dynamic flow matching process ensures each set works together to fuel the engine
- The injector flow rate depends on the density and temperature of the fuel
The 2003-2008 Nissan 350Z uses 1500cc DeatschWerks fuel injectors
DeatschWerks fuel injectors are carefully calibrated and characterised in-house, following SAE J1832 standards. The characterisation process involves collecting over 450 data points per injector, including pulse widths, pressures, and voltages. This comprehensive data acquisition ensures that the injectors can deliver the precise fuel amount required by the engine.
The dynamic flow matching process of DeatschWerks ensures that each injector set works harmoniously as a system to fuel the engine optimally. This dynamic testing mimics the varying frequencies and pulse widths experienced by fuel injectors in an engine, resulting in a more accurate assessment of their performance.
Additionally, DeatschWerks fuel injectors have a flow rate of 1245 CC/min at 29.0 PSI, and their resistance is 12.5 ohms. The injector body is designed with metal and composite plastic, and they come with O-rings. The length of the injector from O-ring to O-ring is 48mm, while the diameter of the top O-ring or fuel rail bore is 14mm.
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The injectors can be purchased from TREperformance with free shipping to the USA
If you're looking to buy fuel injectors for your 2003 350Z, you'll be glad to know that TREperformance offers free shipping to the USA. That means you can get your hands on some new injectors without having to worry about additional delivery charges.
Now, when it comes to the size of the fuel injectors for your 350Z, there seems to be some variation in the answers provided by 350Z enthusiasts. Some sources indicate that the stock fuel injectors for the Nissan 350Z are 290 cc, while others suggest that they could be 285.92 cc or even 290 cc "behaving" like larger ones. However, it's important to note that the size may also depend on the specific model and modifications of your 350Z, as well as the fuel pressure and temperature.
Regardless, TREperformance is a great option for purchasing fuel injectors with their free shipping offer to the continental United States. They use a range of eCommerce platforms to power their business, including PayPal Marketing Solutions and Google Ads, making it convenient for customers to make purchases. While they do offer free shipping, it's important to keep in mind that certain special orders and custom-built engines may take longer to deliver, and returns may be subject to certain conditions.
When it comes to returns, TREperformance offers store credit or exchanges, and you can avoid a restocking fee by choosing this option. However, if you prefer a refund, you will need to cover the original shipping costs. It's also worth noting that custom-built engines cannot be refunded once payment has been received, as the work on these engines begins immediately. So, before making your purchase, be sure to review TREperformance's policies and, if necessary, contact them directly to clarify any questions or concerns you may have.
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The flow rate of the injectors varies depending on the pressure
Fuel injectors for the Nissan 350Z have a capacity of 1500cc, with a flow rate that varies depending on the pressure. The flow rate is the amount of fuel that can pass through the injector per minute, and it is influenced by the density and temperature of the fuel. For example, at 29.0 PSI, the flow rate is 1245 CC/min, while at 43.5 PSI, the flow rate increases to 1530 CC/min. The injectors can also accommodate higher pressures, with a flow rate of 1790 CC/min at 58.7 PSI and 2062 CC/min at 72.5 PSI.
The density of the fuel plays a significant role in determining the exact flow rate. For instance, ethanol has a density of 785 at 20°C, while gasoline varies around 737 (0.73 grams per cc at 15°C). Toluene, IsoOctane, and O-Xylene have different densities, which can impact the flow rate when used in the Nissan 350Z fuel injectors.
It is important to note that the flow rate of fuel injectors is not solely dependent on pressure but also on other factors such as temperature and the octane of the fuel. The density of the fuel can vary with temperature, and the injector is designed for fuel with a specific density. Therefore, the flow rate may differ based on the temperature and type of fuel used.
The development of accurate injector data is a complex process that requires precise calibration. Companies like DeatschWerks (DW) have designed flow benches with digital flow meters to measure the fuel mass accurately. This data is then analysed and formatted into a General Characterization Summary, which can be applied to different vehicle makes and models. The dynamic flow matching process by DW ensures that each set of injectors works together as a system to properly fuel the engine.
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The DW dynamic flow matching process ensures each set works together to fuel the engine
Fuel injectors are a dynamic engine component, with constantly changing frequencies and pulse widths to deliver the precise amount of fuel required. The DW dynamic flow matching process ensures that each injector in a set works together as a system to fuel the engine. This process involves collecting 450 data points on each injector part number, measuring flow mass and pulse widths at varying pressures and voltages. The data is then analysed and formatted into a General Injector Characterization Summary. The summary is then formatted into application-specific formats for different makes, models, and tuning platforms. Finally, the data is in-car optimized by tuning partners.
The DW dynamic flow matching process ensures that the injectors work together to provide the precise amount of fuel needed. The process takes into account the dynamic nature of fuel injectors, which must constantly adjust to changing conditions such as frequency and pulse width. By testing at multiple pulse widths within each range, the DW process is able to mimic the real-world conditions that fuel injectors experience. This includes the low range of 1-2 milliseconds, which is used during idle, light throttle cruising, and deceleration, and the transitional range of 2-4 milliseconds, which covers the pulse widths that make up the non-linear range of injectors.
The DW dynamic flow matching process is a comprehensive and best-in-class approach to fuel injector performance. It is a vehicle-specific fitment approach, recognising that fuel injectors are not a one-size-fits-all product. The right fuel injector must combine elements such as fitment, coil impedance, flow rate, and tuning data into one injector specific to the engine's needs. The DW process is characterised across 33 categories outlined by the SAE J1832 standard, ensuring that the injectors are precisely designed and calibrated for each unique application.
The DW dynamic flow matching process is also important for ensuring the accurate delivery of fuel. The amount of fuel that an injector can flow per minute is dependent on the density and temperature of the fuel. By collecting data on flow mass and pulse widths at varying pressures and voltages, the DW process takes into account these variables to ensure that the injectors are delivering the correct amount of fuel. This is crucial for engine performance and fuel efficiency. Overall, the DW dynamic flow matching process is a critical step in ensuring the optimal performance of fuel injectors and the engine as a whole.
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The injector flow rate depends on the density and temperature of the fuel
The flow rate of a fuel injector is the amount of fuel that can flow through it per minute. It is measured in pounds per hour or cc per minute. The injector flow rate is dependent on three factors: the quantity of fuel flowing to the injector, the pressure behind the volume of fuel, and the injector duty cycle. The duty cycle is the percentage of time that the injector is open, and it shouldn't exceed 90% as the injector needs to close briefly after opening.
The injector flow rate is also dependent on the density and temperature of the fuel. The density of a liquid flowing through an injector orifice is important because the friction varies with density, which in turn varies with temperature. The injector is specified for a liquid of an exact density. To determine the exact flow rate, one must know the exact density and temperature of the fuel used through the injector. For example, ethanol is 785 @ 20°C, whereas gasoline varies around 737 (0.73 grams per cc at 15°C).
The fuel injector's flow rate is calculated to ensure the engine has an optimum fuel supply. The calculation of the injector flow rate is based on the engine's power and the number of cylinders. The greater the power, the more fuel needs to be injected. The calculation also assumes that the engine is turbocharged with multi-point fuel injection and that the fuel is standard petrol.
The fuel injector flow rate is an important factor in the fuel system, which exists to provide the proper injector flow rate through the injector nozzles and into the engine's cylinders. A reduced system flow will result in a reduced injector flow volume, which cannot be remedied by increased pressure. Therefore, it is important to understand the components, design, pressure, and flow theory of the fuel system to diagnose any problems.
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Frequently asked questions
The 03 350z fuel injectors are 1500cc.
The 03 350z fuel injectors are made by DeatschWerks.
The flow rate of the 03 350z fuel injectors is 1245 CC/min @ 29.0 PSI.
The 03 350z fuel injectors are compatible with the Nissan 350z 03-08'.
The DW dynamic flow matching process ensures that each set of fuel injectors works together as a system to fuel an engine properly.
