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92 Prelude blown motor..H23a3?

Discussion in 'Prelude' started by blacktooth, Mar 18, 2009.

  1. blacktooth

    blacktooth New Member

    Likes Received:
    Aug 6, 2007
    I have been searching and can't find my answer.My brother needs an engine in his car and I don't know much about the Preludes.

    The car is a 1992 Honda Prelude Si with a blown H23a1. I guess that is what happens when you don't put oil in it. The engine he wants to pick up seems to be a H23a3 from a website online for under $900 shipped.

    The question is what do I need to swap from one to the other? I am assuming that I need to swap dizzy and fuel rails. I don't like to assume anything though.

    I have also found out the USDM engine uses a knock sensor while the JDM or EDM H23 variants do not. What would I have to do about this? This sounds like something that will mess up timing on the new interference engine.

    Any help in this matter will help greatly. I just got done swapping an engine in a buddies subaru this winter and haven't had time to work on my own stuff. If i am missing a posting or website out there with a write up of a 92-96 prelude with this swap please let me know.

    Thank you in advance.

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