will 88-91 civic si ecu fit all honda civic models 88-91?

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Old Mar 25, 2003 | 03:06 PM
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Default will 88-91 civic si ecu fit all honda civic models 88-91?

just wondering, cuz i have a dx and std model, could i put a Si ECU..and would it make a difference? let me know..thanks..

mark
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Old Mar 25, 2003 | 03:09 PM
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Default Re: will 88-91 civic si ecu fit all honda civic models 88-91? (pinoyboy204)

yes
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Old Mar 25, 2003 | 03:12 PM
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Default Re: will 88-91 civic si ecu fit all honda civic models 88-91? (altoid)

NO
std is dpfi and si is mpfi, you would need to swap to a mpfi system to use the ecu.
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Old Mar 25, 2003 | 07:24 PM
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Default Re: will 88-91 civic si ecu fit all honda civic models 88-91? (Audipwr1)

you can swap it in and the car will run, but dont plan on revving past 3 grand at any time with that ecu in there, so swapping it in would be a big no no
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Old Mar 25, 2003 | 07:28 PM
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Default Re: will 88-91 civic si ecu fit all honda civic models 88-91? (mattED6)

yes, youd have to switch the fuel injection from dual point/port to multiport in order for the si ecu to properly work.
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Old Mar 25, 2003 | 09:24 PM
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Default Re: will 88-91 civic si ecu fit all honda civic models 88-91? (pinoyboy204)

I have actually seen this ran on a dpfi car. It was a 89' crx dx and it was one of my friends car's. You can to rev past 3 grand in fact it actually gave him about 200-300 rpm more to rev than the dx ecu did. Ne way the car ran just fine and threw no codes amazingly.


[Modified by civicdragger818, 6:25 AM 3/26/2003]
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