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Thread: 3.1 swap

  1. #1
    Senior Member
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    Aug 2016
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    175

    Default 3.1 swap

    I came across a 1995 oldsmobile 3100 engine ( has two top engine supports).
    Only has 65k on it. Car is junk , can it be swapped into a 1994 Buick century wagon?



  2. #2
    Senior Member Duke George V's Avatar
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    Sep 2007
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    Lost Wages
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    1996 Buick Century wagon, 1992 Buick Century sedan, 1993 Buick Century wagon
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    If you are swapping a six cylinder for a six cylinder, it should be perfectly fine. 94 and 95 share the same wiring and sensors and computer. I see no reason for things not to go well.
    Daniel
    Kaiser George IX: 1996 Buick Century Special wagon. 214-SFI. 201k miles. Never gonna give you up, never gonna let you down. First documented LX9 swap in an A-body! Click here to read my build thread!
    Goldilocks: 1992 Buick Century Special sedan. 204-MFI. 120k miles. Will be mom's car soon.
    Susana: 1993 Buick Century Custom wagon. 204-MFI. 121k miles. Garage ornament. Waiting for an LR4.

  3. #3
    Senior Member Keiths1976's Avatar
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    Dec 2013
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    Florida
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    1995 buick century custom
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    1,254

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    Should be the same while itís out go though all the gaskets and make sure if any have to be changed best to do with motor out . I know u actually can take the top strut mount bracket off by the thermostat housing and Toss it cause the A body only uses one and itís weight reduction trust me when you pull it off u will see . I would add this note low mileage is a awesome find but look over the crank position wire that runs from the back of the block to the coil pack itís a two wire lead those arenít fun repairing while itís in the engine bay .

  4. #4
    Senior Member
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    Aug 2016
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    Runs mint, cold AC and only has 64k on it. I'll see what my buddy wants for it and the tranny.
    1995 oldsmobile cutlass 4 door

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