With a low impedance injector the injector should get a peek signal then drop down then shut off. Description downloads 4 channel low impedance injectors driver unit. Aem aem302710 peak hold injector driver channel impedance. They keep the coil energized at battery voltage during the entire injection cycle. An injector used in a saturated driver system requires a high resistance value across its coil 1216 ohms. Aem 4channel coil driver by mkakli mon, 08042014 20. Technical information low and high impedance injectors. Fuel components fuel injectors precision injectors. Injectors can be classified in two categories, as either high impedance or low impedance. Q3 and q4 are a pushpull low impedance driver for the fet gate. Analog style watermethanol injection flow gauges 0 500cc 0 cc.
Low impedance injectors with a resistance of around 2. Instead, they install resistors inline with the injectors and drive the injectors with saturated high impedance injector drivers. This is a discussion on high or low impedance injectors within the forced induction forums, part of the lsx technical help section category. Y highlow impedance fuel injector driver with coil on. Standalone low z injector drivers opinions ive used fuel timing piggy backs quite a but but never used one of these. Aem peak and hold10 chanel injector driver for sale online ebay. Highimpedance injectors typically range from 12 to 16 ohms of impedance, while lowimpedance injectors usually range from 0. The stock supra fuel pump controller is supported by the infinity, however it is not. Normal topic, high impedance injectors with 302710 by azfiveoh tue. Due to the inductance of the injector the current is slow to rise, but when it reaches 6amps 0. Low impedance ohm injector this is from the test of the 1550 cc ones i have, if plugged into a high impedance harness without a resistor box. I popped the pins out and reinstalled them into the new clips. The most common, using a simple drive circuitry is sometimes referred to as a saturated driver circuit. You will only need this harness if you are building a custom wiring harness for your system.
I wanted to make sure that they performed exactly as expected for both high and low impedance injectors. Aem aem 302710 injector description files instructions 20peak 20 20hold 20 injector 20 driver 2010 20 channel. The type of ecu will dictate whether the vehicle uses high or lowimpedance injectors, but beware. The box was only mounted never run in the car and harness never even routed. This will allow you to run low impedance injectors on a car that originally has high impedance. How do i know if i need high or low impedance fuel injectors. Aem low impedence injector driver, plug and play harness and 6 x 120lb injectors condition. So is adding a resistor box really making your system a low impedance system or just allowing you to run.
Aem injector driver high impedance to low for sale in orlando. Fuel injectors are controlled by one of two possible injector control circuits called drivers. Engines that need high pressure fuel injection rely on injector driver modules to control the fuel injection system. Sep 16, 2014 simple dual input vr conditioner for coil on plug signal trigger and power mosfet driver to run high low impedance fuel injector tested with 2 parallel injector connected together. Ph injector driver module injector drivers megasquirt ems. Each channel supplies full battery voltage to a fuel injector for. Will run up to 10 cylinders or 1 if thats all you have need huge injectors for your project.
Aem aem302710 injector description files instructions 20peak 20 20hold 20 injector 20 driver 2010 20 channel. Peak and hold manual features current control driver for low impedance injectors 4 channels available in three current versions. Going with a holley efi setup and dont need this any longer. Fuel components fuel injectors injector drivers engine parts. Much better than a resistor box this actually drives peak and hold injectors properly. Aem ignitions and injector drivers aem aem electronics. Early hondas used low impedance injectors with a resistor.
Low impedance injector driver for the pms efi systemsafm engine and power adder. Aem smart coils no spark low voltage while cranking by tramd93 wed, 08302017 17. Injectors can be classified in two categories, as either highimpedance or lowimpedance. Theres no better proof than the companys wide range of stateoftheart products, including standalone, programmable engine management systems, an electronic boost controller, and a peak and hold injector driver that allows you to drive highflow, lowimpedance fuel injectors with an. Only vehicles with fuelinjection systems will use an injector driver module. Auxiliary fuel injector and ignition driver this was a project that i did a long while back while working with a few folks on the efi332 project. Aem smart coils no spark low voltage while cranking. Retards timing based on engine rpm and load inputs clamp the maf for proper fueling in boosted conditions. Current control driver for low impedance injectors 4 channels available in three current versions 2a0. The stock supra injectors are low impedance, but because the stock ecu. Simple dual input vr conditioner for coil on plug signal trigger and power mosfet driver to run highlow impedance fuel injector tested with 2 parallel injector connected together. Another issue is that saturation drivers do not back off the voltage after the injector opens like peak and hold drivers do.
Aem low impedance injector driver ford mustang forums. I didnt really expect to see any problems but if any did exists it would be. The ph injector driver module is optimized for use with 4a peak and 1a hold low impedance fuel injectors. Normal topic, aem smart coils no spark low voltage while cranking by tramd93 wed.
Injector driver modules, also known as idms, work with the central computer system and the fuel injection system in a vehicle. Low or high impedence injectors mr2 owners club forum. They are near identical except the groove is opposite. Driver for low impedance injectors toss me an email. Toyota made both high and low impedance injector clips. Low impedance injector driver mustang forums at stangnet. Lowimpedance fuel injectors generally have coils with a resistance of 26 ohms. By adding a resistor box to a high impedance ecu really make. Okay, i have some msd 50 injectors that are high impedance on my 306. With a high impedance ecu it just sends out one static signal. Aem engine management system controller area network. Its typical function is to allow full battery voltage to fuel injectors for rapid current rise, in order to produce positive injector opening.
Most low impedance injectors will draw at least 5 amps. I made a few prototype parts for the project, this was one that was useful and something that could be used as a primary or auxiliary injector driver. Low impedance ohm injector this is from the test of the 1550 cc ones i have, if plugged into a high impedance harness without a. Then i went to curt and bought 6 replacement injector clips. The high impedance ev14s are not bad, but the low impedance version of them would be even better. Injectorsif you are using low impedance injectors you will need to buy or create an injector driver resistor box or else you will fry the injector drivers in the aem ecu because they are high impedance injector drivers.
Each channel supplies full battery voltage to a fuel injector. Using a 12 ohms impedance injector on a 3 ohms driver circuit will fail it to open because of too few power transferred, and vice versa it will make your driver circuit overload. An injector used in a saturated driver system requires a high resistance value across its. D2 reduces the fet turnoff time, at the expense of a rise in the fet drain voltage.
This design uses the tried and tested national lm1949 injector drive controller chip. This can easily be measured by a multimeter across the two electrical terminals. They do this so no one accidently plugs in high to low or low to high injector plugs. High impedance injectors typically range from 12 to 16 ohms of impedance, while low impedance injectors usually range from 0. I run a 1989 mustang with an aem ems fuel injection system and the versafueler. Hello everyone, i need i little info on which injectors to buy. Sort by price low to high price high to low product name brand latest arrivals popularity. Can i keep my msd injectors, or do i need to cowboy up and purchase a set of low impedance injectors and an injector driver for my system. The ph injector driver module compensates for low voltage conditions cold weather, startup, etc.
You generally have to use an injector with an impedance matching your driver circuit. We would like to show you a description here but the site wont allow us. Aem can only fiure high impedance injectors unless you use a resistor pack ghey, the only stand alone that you cant just enable a driver to deal with this just make sure to run the resistor box with any injector with an impedance lower than 56ohms or youll let too much juice back to the ecu and fry the inj driversb. Running low impedance injectors on stock ecu w moates quarterhorse. The timer fires and the positive output turns on m1 which in turn turns on the injector. Most oes ecus that drive oe low impedance injectors do not use true peak. Aem low impedence injector driver with univeral plug and play harness. Aem electronics is dedicated to the design and engineering of premium performance electronics for racers. Allows the use of lowimpedance injectors on computers designed for. Injectors if you are using low impedance injectors you will need to buy or create an injector driver resistor box or else you will fry the injector.720 571 272 932 1325 939 1599 895 1643 1212 1016 64 969 1369 348 1420 1359 1301 130 878 1302 1356 1383 273 1212 934 1484 752 806 788 629 940 261 264 1248 849 394 832 58