2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S5 injector question

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Old May 8, 2007 | 08:05 AM
  #1  
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S5 injector question

I have a JDM S5 swap in my car


the car Came with Red top oval injectors and they are low impedence (resistor pack next to the headlight like the S4's)

from what i've read on Kevin's site i should have High impedence purple tops..


the car came with a hybrid turbo... so i'm not Sure if it came with injectors as well...

i don't want to remove the intake just to check the part number (no replacement gaskets)

any ideas or is this a "JDM model" type thing..
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Old May 8, 2007 | 08:15 AM
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If you have low-imp injectors in an S5 enigne, they're not stock.
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Old May 8, 2007 | 02:13 PM
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yeah I didn't think so either.. but i wanted to double check..

Strange how it's using the stock resistor pack..
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Old May 8, 2007 | 02:49 PM
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What ecu r u running? S5 ecu needs s5 high imp injrctors, S4 needs low.
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Old May 8, 2007 | 03:19 PM
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it's a JDM ecu..

N374 or 378 something like that.. I can't remember off the top of my head..

the one with the little black box straddling the side of the ecu..

the thing is the front clip i bought had some Rmagic parts as well as a Hybrid Turbonetics turbo

the car is deff an S5.. no question about that...

just weird it has an Inj. resistor pack and Red oval injectors
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Old May 9, 2007 | 01:25 AM
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Is it an OEM resistor pack? It is connected with OEM connectors and part of the stock harness?
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Old May 9, 2007 | 01:29 AM
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Originally Posted by piercdawg
What ecu r u running? S5 ecu needs s5 high imp injrctors, S4 needs low.
ECU has nothing to do with injector impedence...
ECU has nothing to do with injector impedence...


-Ted
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Old May 9, 2007 | 04:56 PM
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i took a pic of the secondaries as best i could with my camera phone...

as u can see they are a dark maroon/red color

I couldn't get a clear view of the primaries... and i was unable to rotate the injector far enough to see the Part number



Last edited by Ottoman; May 9, 2007 at 04:57 PM. Reason: forgot image
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Old May 10, 2007 | 01:27 AM
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plz tell me these aren't the N/A injectors :p
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Old May 10, 2007 | 01:46 AM
  #10  
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Need a photo of this resistor pack and it's wiring.
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Old May 10, 2007 | 03:18 AM
  #11  
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Originally Posted by NZConvertible
Need a photo of this resistor pack and it's wiring.


I double checked the car..

i think i confused myself..

I was thinking of the silver fuel pump relay box thingy right behind the left headlight...

the rectangular Resistor pack was on the car from the previous N/A motor.. not anymore tho...




but regardless of the impedance these red tops aren't OEM right?
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Old May 10, 2007 | 03:29 AM
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They look OEM to me. I don't trust injector colours at all...
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Old May 10, 2007 | 03:37 AM
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alright thanks for the help NZ

I guess my only choice is try and find a way to get the Part # without pulling the intake apart
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Old May 10, 2007 | 05:14 AM
  #14  
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looks like u were right NZ:

JDM injectors
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Old May 10, 2007 | 05:33 AM
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Red tops are high-impedence 550's.
Non-turbo ones are orange...


-Ted
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Old May 10, 2007 | 05:42 AM
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They are TII injectors and they are stock S5 injectors
ReTED is rite.
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