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88 na in 86 sport will it work ?

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Old 07-14-02, 10:56 AM
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88 na in 86 sport will it work ?
can i put an 88 na motor in my 86 sport? will the 86 ecu run the 88 motor with no mods to the harness or do i need to run the 88 ecu instead of the 86 ecu?
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Old 07-14-02, 11:02 AM
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Yep, it'll work. However, you will need to swap the injectors from the 86 engine onto the '88 engine. Or, bypass the resistor block on the '86 wiring harness.
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Old 07-14-02, 09:45 PM
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Thanks Aaron for the help, can you give me a general location of this resisitor block i need to bypass. or would you recomend just changing injectors?
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Old 07-14-02, 09:47 PM
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It is right by the passenger side headlight. Looks white in color usually from what I have seen.
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Old 07-14-02, 09:59 PM
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Originally posted by fc3s.org
It is right by the passenger side headlight. Looks white in color usually from what I have seen.
The resistors themselves are whitish, but the cover to it is aluminum.

You have to pull the airbox off to see it.
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Old 07-14-02, 11:35 PM
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What are the resistors for?
Any comments about installing a ported engine in my 86 Sports RX-7
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Old 07-15-02, 12:07 AM
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Just swap the injectors, its' a hell of a lot easier.

Everything else should just bolt in, no problem.

PaulC
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Old 07-15-02, 12:10 AM
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Originally posted by Silkworm
Just swap the injectors, its' a hell of a lot easier.

Everything else should just bolt in, no problem.

PaulC
Thats what I would do. Swapping NA injectors is a cakewalk.
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Old 07-15-02, 10:19 PM
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Ok, thanks guys, think i will just swap out the injectors, i assume that means all 4...
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Old 07-16-02, 01:23 AM
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You got it.. All 4
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