rdprlude

hi i have a quick questions. i have a type s engine in my 98 prelude with a type s ecu. i also have an accord type r ecu that a friend gave me. (im stationed in the uk right now). anyways would the type r ecu work with the type s enigne or make any difference in the type s engine? also would using the type r ecu help pass emissions in the states? sorry if these are retarded questions just couldnt find answers searching the forum. thanks in advance.

JohnnyGaffney

Is the ATR not 212 bhp,and the Type S 220?Did you check the control unit codes?

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PRELUDE SiR

ThatPreludeGuy

If you have a Type S then you need the Type S ECU to control the ATTS in the car. The Euro ATR ECU isnt going to help pass emissions because IIRC they're not OBD-II compliant. Best you can do is get a USDM SH ecu, pass inspection, then replace it with the Type S ECU.

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JHall250

If that is a true Type S with the ATTS and everything you cannot put any other ECU in without changing a few things. From what I've heard the JDM OBD is different than both ours and Europe so you would actually have to change a few things before you could even run a USDM ECU.

ThatPreludeGuy

If you're talking about a JDM Type S, that's true you cannot just swap in a USDM ECU. If you swap a JDM Type S motor into a US car you would need the JDM ECU as well, Japan doesnt have any version of OBD. If you want a JDM Type S transplant to be legal here in the US you would need to swap all the sensors, distributor, etc... from the previous SH motor onto the Type S motor and then use the USDM Type SH ECU.

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