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

high/low inpedence injectors?!?!

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Old Nov 12, 2002 | 11:32 AM
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T210thAnniv's Avatar
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high/low inpedence injectors?!?!

I have a 88' turbo II rx-7. I am looking to get 1000cc secondary injectors. Now i was told by several people that that 88 modles had low impedence injectors. All other models have high impedence.(87,89-91, and fds as well) Is this true for my car? Can anyone recomand secondary inj. for me that will suite my car the best? I want to run around 300 rwhp, will 1000cc be enough, or can i go lower, like 850cc's?
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Old Nov 12, 2002 | 11:38 AM
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Youll be fine with something smaller. You can run 1000's though, if you feel youll need them later. Theyll just have to be tuned down a little with a S-AFC or similar product.

You can tell which injectors you have by looking behind your passenger headlight. If theres a smaller metal box there, then theyre low impedance. If theres no box, then theyre hi impedance.
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Old Nov 12, 2002 | 11:44 AM
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sorry i was wrong, the 88 have the high impendence and all the other models have low impedence
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Old Nov 12, 2002 | 11:47 AM
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well i have a s-afc, a walbro high pressure 255lt/hr in-tank fuel pump
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Old Nov 12, 2002 | 11:54 AM
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The 1986-88.5 had low impedance injectors. Some of 1988 and 1989-95 all had high impedance injectors. Did I answer your question?
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Old Nov 12, 2002 | 12:20 PM
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isnt it 87.5 so that some 87s have high and all 88 up have high??????? but this is on NAs
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Old Nov 12, 2002 | 12:22 PM
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TONYTURBO- not really, i am confused now? how is 88's low impedence but other 88's are high? wouldnt they make that year all the same? Plus my main ? was what kind of injectors shoudl i get, i mean specifly? like brand name, size,
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Old Nov 12, 2002 | 12:43 PM
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RC engineering is a nice company
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Old Nov 12, 2002 | 03:23 PM
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If you have a 10th Anniversary, it has high impedance injectors. Every '88 I've seen had the high impedance injectors.

1000cc is a little too big for the stock turbo - go with 720cc injectors.

Dale
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