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Ken Dunkley

Pairing up injectors

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Hi- i know youve been asked before but cant find any answers . On a 6 cylinder can i wire up 3 low impedance injectors in series and run them off 1 injector drive ? Have 3 injectors on drives 1 and 2 and run group fire ?? Thanks - Ken 

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So i havnt bought any yet . Just thought id run this by you to see if its a possibility ? Yes 3 in series . How would the math work if they were 2-3 or 4 ohms ? 

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No that doesnt sound like a good idea at all.  Low impedance injectors need lots of current to open (this is why they are low impedance...)  If you put 3 in series they would only see 1/3 of the current and probably wont open.  

What are you trying to achieve?  What ECU do you have?  What size injectors do you need?  

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Ok - Just thought i could take advantage of all the cheap evo or nissan injectors for sale which are low impedance . Just bought a Atom G4+ for a 6 cylinder project and looking at options - From your comments - injectors wired in series is probably not an option . Ta anyway .

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 In 2014 Simon replied to a question about running a 6 cyl with a Atom G4+ - 

"You have to run group. If you have high impedance injectors then wire in two groups of three (one drive per bank will be fine)

If low impedance then you will need to do it using all 4 drives drive 1 and 3 firing one bank and 2 and 4 the other."

Can Simon please clarify how he would wire up the low impedance injectors using all 4 drives please ?

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If you have a trigger that has a cam sync so you can run semi sequential you then run 2 injectors of drives 1-3 and then set ECU to sequential for the fuel.

This will fire 1 drive at a time following the firing order. 

 

 

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Simon - One more crazy idea - Could you wire two injector drives together ( say 1 and 3 ) and have enough power to drive 3 low impedance in series . And do this twice for a six cylinder and run it in group fire ?

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