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| Anoter Evo 3 question guys http://www.4g61t.org/forum/viewtopic.php?f=3&t=38709 |
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| Author: | modicaUSMC [ Thu Apr 03, 2014 3:21 pm ] |
| Post subject: | Anoter Evo 3 question guys |
Has anyone ever used an EVO 3 ECU and wiring harness on their 6 bolt engine? If so how much of a pain in the ass is it to make it work? I would like to keep it because I spent $60 for both but at the same time am in need of a transmission and a 6 bolt head and those are great bartering tools haha... thanks in advance |
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| Author: | rallysjd [ Fri May 16, 2014 1:58 pm ] |
| Post subject: | Re: Another Evo 3 question guys |
Interesting question. I'd expect that the ECUs are of the same class, that is, the connectors would be the same, and likely most of the connections on the same pins. The issue is the sensors on the EVO3 and the 6-bolt engine. If your EVO3 ECU is a JDM model (as I suspect) then there's more chance of unexpected differences. The only way to know for sure is get the wiring diagrams for everything including the sensors, and create a cross-reference table. Some sensors will be the same, but there's also some signals (e.g. the tach waveform) that have opposite polarities (i.e 0v->pulse high vs 5v->pulse low) that changed sometime between 1990 and 1993. Then there's the cam angle sensor and TDC sensor that change sensor type and location between 6 bolt and 7 both engines. SD |
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| Author: | modicaUSMC [ Fri May 16, 2014 2:44 pm ] |
| Post subject: | Re: Anoter Evo 3 question guys |
I figured there may be some differences since it used the 7 bolt and yes its straight from a japan car. As i document my build I will upload my findings. Thank you |
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