ECU from CS to st185gt4?

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ECU from CS to st185gt4?

Postby Mattyno » Wed Jan 25, 2012 11:58 am

Hi, I want to mount in my year 1990 ST185 ECU from CS (89661-2B320). Just repinn connectors, or need i something else?
Of course, I have forged engine with many modifications ready for standalone ECU. But now i have money only for change ECU from CS, so how many Hp i can get from stock ECU with ct27 on 20psi.

Sorry for my english
Thanks
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Funny-Celica ST185 1990 @14psi, Blitz Nur Spec, Apexi AVCR, HKS BOV, FCD, XTD stage 3 ceramic clutch, KYB excel G+springs SPAX, PUR dure-flex, spark PULSTAR, Wide Band, Fuel Pump Walbro, EGR off, TVSV off, MSD, CPpistons, Eagle, ARP and more :)
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Re: ECU from CS to st185gt4?

Postby Mafix » Wed Jan 25, 2012 3:54 pm

you'll need to run wires for the intercooler computer or disable that pin (ground it)
you'll still need the rc ignitor and afm (4"), fyi. it'll work with standard 185 stuff but it won't be right.
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Re: ECU from CS to st185gt4?

Postby Mattyno » Wed Jan 25, 2012 5:51 pm

Thanks Mafix, i know about situation with intercooler. But i don´t know, that there is a different between CS and my ignitor.
Funny-Celica ST185 1990 @14psi, Blitz Nur Spec, Apexi AVCR, HKS BOV, FCD, XTD stage 3 ceramic clutch, KYB excel G+springs SPAX, PUR dure-flex, spark PULSTAR, Wide Band, Fuel Pump Walbro, EGR off, TVSV off, MSD, CPpistons, Eagle, ARP and more :)
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Re: ECU from CS to st185gt4?

Postby Mafix » Fri Jan 27, 2012 4:03 pm

perks of owning a 90-92
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Re: ECU from CS to st185gt4?

Postby tubasteve » Fri Feb 03, 2012 3:07 am

I ran okay on the cs computer, but sometimes the igniterwould freak out and do the st205 "can't rev past this". I was always hounded about wrong afm, never had a light for the water switch...hmm, maybe I jumped it, don't remember. I later went st205, then gen 3 mr2...
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