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#1
04-24-2004, 11:17 AM
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dunno what ECU for swap!
Ive got a DOHC ZC swap in my 89' SI and Im not sure what ECU i should be running, someone told me a 90' PR4 but Im not sure if thats right seing as how thats an ECU for a 1.8l and ive got a 1.6.......can anybody help me out?
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#2
04-24-2004, 11:45 AM
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Re: dunno what ECU for swap!
um the si pm6 ecu will work but it has a low rev limit and bad fuel maps. The best to get is a 86-89 teg. I believe. Or you can try to find the rare dohc zc one.
But the best is the teg.
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#4
04-24-2004, 11:51 AM
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Re: dunno what ECU for swap!
WTF was my post
plug in you damn si ecu it will work. Hell almost any obd0 mpfi ecu will work.
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#5
04-24-2004, 11:54 AM
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thanks for your response man, calm the fuck down, I was posting that as you were posting your response so i hadnt seen it yet, I do appreciate it tho, the Si ECU is whats in it now, but i was just told it was the wrong one and the car would run better with a diff one in it.....
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#6
04-24-2004, 12:01 PM
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Re: dunno what ECU for swap!
ok
its all good My engine is running the dohc zc ecu-very rare and hard as a Bitc* to get.
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#7
04-24-2004, 12:07 PM
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dude thats bad ass your car is the same color is mine, i havnt seen anybody else with that S2000 gray......
whats your rev with the ZC ECU? how difficult would it be to find and what kinda difference would it make?
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#8
04-24-2004, 12:17 PM
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Re: dunno what ECU for swap!
UM well that is actually the stock color gray with ten times more metallic flakes that are HUGE!!
I dunno really what the limiter is because i dont shift at the limiter. No to be honest im not really sure. Its not that difficult to find but its expensive when you do. And besides the teg one is better. It has better fuel curves and a 7200? rev limit.
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#10
04-24-2004, 01:06 PM
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Re: dunno what ECU for swap!
87-89 Teg, or use a ZC ECU.. The Si one will work, but not as good as the others. There's no point in doing the swap if you're not going to use the right computer for the motor.
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#12
04-24-2004, 04:18 PM
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Re: dunno what ECU for swap!
Is the PR4 the Si ECU? If so, it will work.
Just make sure the ECU is for non-OBD MPFI. Si ECU will run the car, but not nearly as well as the Teg or ZC one will.
__________________
"The nympho of info, I'm fuckin' what ya heard" 
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#13
04-24-2004, 05:29 PM
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the 89 Teg ECU is PG7, I had one when I had my ZC they work real well.
No speed limiter  unlike the PM7 (ZC) ecugive HAPrecycler.com a shout they probably have some. kun
__________________
2012 VW Golf 3 Door Automatic (Company Car)  2011 VW Golf Wagon 5 speed (Company Car) 2010 VW Jetta 2.5 Automatic (Company Car) 2009 VW City Jetta 5 Speed (Company Car) 2009 VW GLI 6 Speed (Company Car) 2008 VW Jetta 2.0T 6speed (Company Car) 1999.5 Audi A4 Quattro Sport 1.8t (Chipped 1.0 bar) Sold 1990 CRX Si (Built B17a) - Stripped and Crushed 1988 CRX Si -- Stolen 1990 Civic Cx -- Sold 1990 Civic Si -- Parted 1989 Civic dx -- Sold
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#14
04-24-2004, 09:22 PM
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Re: dunno what ECU for swap!
nope the PR4 is a acura integra B18A1 ecu. If you want one i have 2 id sell to you for a low price.
The si ecu is a pm6 too. pm7, why couldnt i remember that, for some reason i was thinking pg7> i dunno until i looked.
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#15
04-25-2004, 11:09 PM
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use the PG7 outta the 89 integra it works well. screw everything else they're saying use the pg7... if you can get your hands on the zc i'd use it but it's not that much of a diff. i've used it for a week and couldn't tell anything except i couldn't get over about 111 mph.
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