what ecu for 91 zc?
 

Im putting a zc in my 88hb what ecu do i use? and has anyone ever done the wiring change that could help me finish my swap I got it almost complete all im having trouble is with the crank sensor on the end of the exhaust cam?

Re: what ecu for 91 zc? (bullock)
 

i used a 91 ls felt real good.... or you can use a si ecu, zc ecu or an 88 integra ecu the last two or proably your best bet.. as long as its pre obd https://honda-tech.com/forums/images/smilies/emwink.gif

Re: what ecu for 91 zc? (hondaspeder)
 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondaspeder &raquo;</TD></TR><TR><TD CLASS="quote">i used a 91 ls felt real good.... or you can use a si ecu, zc ecu or an 88 integra ecu the last two or proably your best bet.. as long as its pre obd https://honda-tech.com/forums/images/smilies/emwink.gif </TD></TR></TABLE>

ditto.

If you can get yourself a 90-91 Si ecu (PM6) or 90-91 Integra (PR4) ecu, both can be reprogrammed to DOHC ZC mugen spec. I can do this, hit me up if yer interested (see link in sig).

Re: what ecu for 91 zc? (bullock)
 

I dynoed a JDM ZC ecu and 88-89 Si ecu and a 90-91 Si ecu on a car with a stock ZC motor and they all made the exact same HP and torque. The only difference was the rev limits. Also, keep in mind that you can re-program the 90-91 Si ecu, but not the 88-89 Si ecu. I am not shure about re-programming the ZC ecu, but I would assume it would have to do with what year it was from. Hasport makes a ZC wiring subharness that is plug and play for the cam sensor. No cutting or splicing needed. I think it is about $40.

Re: what ecu for 91 zc? (keithg)
 

I put a pm6 into the swap but for some reason it still will not work. I did the dpfi to mpfi wiring conversion but it feels like the timing is off. I think the crank sensor is not hooked up right. so i need to find out if i hooked it up right. some people say it goes to the ecu directly and some say it goes to the dizzy and then the ecu so if someone knows how to do it correctly let me know?