Possible project
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This is a discussion on Possible project within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; I was thinking about a father son project of rebuilding a EJ25 engine to be a monster and to eventually ...

  1. #1
    Registered User My08WRX's Avatar
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    Possible project

    I was thinking about a father son project of rebuilding a EJ25 engine to be a monster and to eventually put into my car with all the goodies that come along with a truly well built motor. I have not decided whether to stay at 2.5L or do a stroker to 2.6 L. Knowing the difference between the EJ255 and EJ257 are the heads, I am trying to decide on whether to by a used long block and rebuild it with performance parts or should I start with just a fresh block and build from there. Both options will in the end yield the same result, but I am looking for some real world advice from the board. If I buy a used motor I would like to buy a STI motor or EJ257 mostly because I like the center intake manifold and throttlebody, but have read about the problems exchanging the intake manifolds on a WRX for a STI intake manifold. So to bypass the problem looking at buying the entire engine. Am I going to run into wire harness problems, does not seem so, but I am not sure. I just feel this would be a great project that would teach my son tons about how a car runs, pretty much the same way me and my father built, muscle cars when I was younger. Any advice would be greatly appreciated.

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  3. #2
    Registered User My08WRX's Avatar
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    Is there no one on this board that can give me any feedback or help? I just am looking for anyone that has some experience to share it with me. Thank you so much.

  4. #3
    Moderator Donkey's Avatar
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    You will probably find more answers here..
    Built Motor Discussion - NASIOC
    If you plan on dropping that kind of coin then I would start with a fresh block.
    Resident Adviser @ WTF Tuning, LLC
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