New Member RX-7 Technical Post your first technical questions here, in an easy flame free environment, before jumping into the main technical sections.

Series 4 low to high Impedance Injector Conversion

Thread Tools
 
Search this Thread
 
Old Nov 10, 2016 | 09:39 AM
  #1  
Toofer89's Avatar
Thread Starter
Junior Member
Tenured Member 05 Years
 
Joined: Jun 2012
Posts: 40
Likes: 0
From: Vermont
Series 4 low to high Impedance Injector Conversion

Hi All,

I've done a little digging but have not come up with a simple answer on this.

What exactly needs to be done to the car to run high impedance injectors? Links to parts needed and pictures would be very helpful.

My car is an 87 Turbo II, I have not tested my current injectors but I believe they should be low impedance from the factory. If that is the case when I test the system and I want to run new Injector Dynamics injectors what needs to be changed?

Thank you,

-Mike
Reply
Old Nov 10, 2016 | 10:08 AM
  #2  
misterstyx69's Avatar
Retired Moderator, RIP
Tenured Member: 20 Years
iTrader: (142)
 
Joined: Sep 2005
Posts: 25,581
Likes: 136
From: Smiths Falls.(near Ottawa!.Mapquest IT!)
you need to bypass the resistor pack and get injectors that either fit the connectors or wire the connectors to fit.
You also need to make sure that the injectors fit the rail properly and that the ECU can run them with the correct fuel amount.(if you are going aftermarket then you just need to tune the new ECU)
Reply
Old Nov 10, 2016 | 10:47 AM
  #3  
Toofer89's Avatar
Thread Starter
Junior Member
Tenured Member 05 Years
 
Joined: Jun 2012
Posts: 40
Likes: 0
From: Vermont
Thanks for the Info! At the time of getting new injectors I will be going with a standalone ECU, so fitment and ability to tune are no problem.

Do you know of a write up on how to bypass the resistor pack for proper installation?

Thanks,

-Mike
Reply
Old Nov 10, 2016 | 01:40 PM
  #4  
roTAR needz fundZ
Tenured Member 15 Years
iTrader: (1)
 
Joined: Aug 2002
Posts: 2,614
Likes: 31
From: Freeland, MI
If your going to a standalone ecu st the same time, you'll be re-wireing everything anyways so the resistor box is the least of your worries
Reply
Old Nov 10, 2016 | 02:33 PM
  #5  
Toofer89's Avatar
Thread Starter
Junior Member
Tenured Member 05 Years
 
Joined: Jun 2012
Posts: 40
Likes: 0
From: Vermont
That is very true! Didn't even think about that smh lol. So to conclude this thread, if I have the stand alone ECU to wire in and the new high impedance injectors that fit correctly to my stock rails I am good to go. Correct?

Thanks for the help guys, I appreciate it.

-Mike
Reply
Old Nov 10, 2016 | 02:48 PM
  #6  
roTAR needz fundZ
Tenured Member 15 Years
iTrader: (1)
 
Joined: Aug 2002
Posts: 2,614
Likes: 31
From: Freeland, MI
Correct because all ecu's see high impedance for injectors, and all new injectors are high impedance anyways, so when your going to be running new wiring direct to your new ecu, it doesn't matter

The low impedance injectors mazda used was just another one of those silly things manufactures do with cars
Reply




All times are GMT -5. The time now is 06:10 PM.