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Thread: 2.5 conversion to 3.8

  1. #1
    Senior Member
    Join Date
    Jul 2004
    Posts
    386

    2.5 conversion to 3.8

    is there a wiring harness conversion kit I can buy to replace my 2.5 with a buick 3.8

  2. #2
    If you are referring to a fiero 2.5 yes there is you would find better info on the fiero nl site. If your car is an 84 your wiring is different slightly then 85-88. If you you would like to do it your self there are many write ups there it not horrible to do just a lot of wiring. If not contact Google red devil river, or injection technology both make harness but expect to pay around 750.00-1,100 depending on options obd1,obd2, egr,location Ecm,ac,and so on. And mounts around 250-500 and axles depend on auto or manual.
    Good luck

  3. #3
    Senior Member
    Join Date
    Jul 2004
    Posts
    386
    Thank You for the reply

  4. #4
    No problem I can try to help if you need but I maybe late to reply as I am trying to find the time to be back on forum.

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