How to select the right fuel injectors

Let us help guide you in your selection process.  With our expert knowledge of fuel injectors and years of industry experience in OEM and aftermarket fuel injection, we can help with any questions you may have.  If you have questions about the correct flow-rate or the proper fit for your specific stock or modified application, answers are always just an email or phone call away.  We are always here to help.

Excellent customer service and support can be found here or email contact@fiveomotorsport.com or call (562) 867-4999

On this page you will find some very useful information about the different types of fuel injectors we offer to our customers.  Please use this guide to help you further understand our products.  Also read below about the Fiveomotorsport workmanship guarantee--our proven and continued quality of excellence.

1. Replacing Original Equipment (OEM) fuel injectors
2. OEM vs cross-referenced, stock replacement injectors
3. OEM vs stage 1 upgrades
4. OEM vs Fiveomotorsport Custom manufactured fuel injectors for modified street and racing applications


1. Original Equipment (OEM) fuel injectors

OEM refers to the company that originally manufactured the product.  When referring to automotive parts (in this case fuel injectors), OEM designates a replacement part made by the manufacturer of the original part.  In this usage, OEM means "original equipment from manufacturer".  Some of the more common manufacturers of fuel injectors are Bosch, Siemens, Deka, Continental, Lucas, Japanese Electronics Corp. (JECS), and Denso.  When replacing your OE fuel injectors this means replacing them with the exact same parts from the original manufacturer that were in the car when it rolled off the lot in it's brand new condition.  Fiveomotorsport offers many of these fuel injectors in both new and remanufactured condition.  In many cases only remanufactured injectors are available to the customer.  Many times the original manufacturer will stop production on parts for older model cars; therefore, installing a remanufactured fuel injector is the only option--until now (see cross-referenced fuel injectors below).  In any case, we do stock many new and remanufactured OE fuel injectors that perform to original OEM specifications, and every fuel injector we sell is backed by our incredible 3-year warranty!

 

2. OEM vs cross-referenced, stock replacement fuel injectors

Cross referencing is the procedure of carefully selecting alternate fuel injectors to replace your original equipment (OE) injectors--the injectors that came with your vehicle.  By studying the specifications and analyzing the fit and function of the thousands of available fuel injectors in our inventory, we can almost always find a brand-new, direct replacement injector that will mimic your stock injector in every way.  The flow rate will match, the internal coil resistance will match, the spray pattern and fuel delivery will be the same, or in many cases will improve when using a brand-new, cross-referenced stock replacement in place of an OE injector.  Your vehicle's engine control unit (ECU) wil never know the difference and will have no trouble with tuning and running the new fuel injectors.  Fiveomotorsport is a leader in fuel injection solutions for older and newer model vehicles, and we have developed many brand new fuel injectors to replace many of the outdated and discontinued injectors that are no longer available.

We mention the improved quality of the spray pattern in the newer generation fuel injectors because this will help atomize the fuel more effectively which will lead to better throttle response, increased fuel efficiency and gas mileage, and better overall engine performance.  As mentioned previously many OE fuel injectors are now out of production which may seem like a bad thing, but can also be looked at in a positive way.  Fuel injection technology has changed over the course of the past 30 years leaving some of the older parts feeling like antiquated and obsolete technology from days gone by.  In almost every situation we can provide an alternative, improved technology, newer generation, brand-name injector to replace the relics of the past.  In some cases there is no current replacement so for these we offer new or remanufactured OE injectors.  But, if the option is there for brand-new, better quality fuel injectors, our recommendation is to go with the improved cross-referenced fuel injector.

 

3. OEM vs stage 1 fuel injector upgrades

Stage 1 upgrade fuel injectors are required for vehicles with slight to moderate modification which will require an increased amount of fuel being delivered to your intake system.  When your engine requires more fuel at intake because of certain modifications, and an OE injector is no longer an option, then bumping up to a higher output fuel injector is the logical next step to take.  Fiveomotorsport offers a vast inventory of injectors in many possible flow rates so you will have no trouble finding a specific flow rate injector for your application.  For example if you need to go from a 21 lbs/hr injector to a 24 lbs/hr injector, or if you need to jump from 36 lbs to 42 lbs, while maintaining the exact fit for your application and electrical harness, we have what you are looking for.  This is just a couple of examples of the many stage 1 solutions we offer to our customers so please contact us with your individual fueling needs.

 

4. OEM vs Fiveomotorsport Custom manufactured fuel injectors for modified street and racing applications

For those of you that pride yourself in owning either a mildly modified or highly modified street performance car, or for those that have gone completely insane with horsepower increases for super-street or racing applications, this is definitely your area of intrigue.  Fuel, and a lot of it, is what you need to adequately feed your engine for your desired horsepower output.  We can help you determine your fueling requirements based on your vehicle's horsepower output, type of fuel you are running, type of air induction system being used and what your intended use is for the specific application.  So if your project is a daily driver or you are running quarter miles at the track, Fiveomotorsport provides high flow rate fuel injectors packaged in tested and flow-matched sets to meet your fueling requirements.  It should be noted here that we also have custom fuel injectors available for powersport applications including high performance drag bikes, ATVs, personal watercraft, marine applications and snow mobiles, in addition to modified street and racing cars and trucks.

Fiveomotorsport has a full inventory of High Performance electronic fuel injectors for US domestic, European and Asian imports. All of our custom work is performed by highly qualified technicians using industry-standard equipment to produce the highest quality product available for use in the most demanding street and racing applications. Each custom injector has been inscribed with a control number and individually tested on the newest technology equipment available. Static and dynamic flow-rates at multiple pulse-widths are recorded to achieve accurate, comparable data points; dead time/latency values are recorded over the entire voltage range (8-16 volts), and injectors are placed in tightly matched sets. Custom flow matched sets will include a flow data sheet showing information for your specific set of fuel injectors to help ensure an easy tune and linear performance at idle, at cruising speeds around town, and at high RPM. All Fiveomotorsport fuel injectors are backed by our best-in-the-business warranty. You will receive a top quality product that is at or above the industry standard whether you purchase our brand new, flow-matched, custom manufactured, high-output fuel injectors or our reconditioned OEM fuel injectors. You can be confident you are purchasing top-quality products at a great price, fully backed by our outstanding customer service and support that is not found anywhere else in the aftermarket fuel injection industry.

Fiveomotorsport workmanship guarantee--our proven and continued quality of excellence:

You are about to purchase fuel injectors from one of the world's leading companies in electronic fuel injection solutions. The injectors you will soon have in your possession are guaranteed to perform to all advertised specifications. We at Fiveomotorsport thank you for the fuel injector decision you are considering, and you and your vehicle should be proud to promote your wise decision to incorporate Fiveo injector products in your stock, high-performance or racing application.

Please check out our Facebook page and our blog site, and let us know about your success stories. We like to hear feedback from our customers so please let us know how your Fiveo experience has helped you achieve your fueling demands.

Thank you,

-The Fiveomotorsport Team

As with any aftermarket part replacement or upgrade, a slight amount of fitment and/or tuning issues can sometimes arise. Although we have delivered to you our best products, on occasion instances may arise that you might still find yourself having difficulty fine-tuning your new parts. This is where we highly recommend professional installation and tuning. We would be doing our professional installers/tuners a disservice by not recommending their expert knowledge. We are always available for support so please do not hesitate to contact us if you require further assistance in getting your new parts in place and running 100% to their potential. We know you strive for perfection, and Fiveomotorsport supports your goal. We guarantee your purchase, and we are fully committed to making your success a reality.


Email support: contact@fiveomotorsport.com

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