Engine Swap

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HT4100 4.1, 4.5, 4.9 Discussion, Engine Swap in Cadillac Engine Technical Discussion; So my friend and I have an '84 Eldorado in very good condition. He recieved the car for free however ...
  1. #1
    D'Elegance is offline Cadillac Owners Fanatic
    Automobile(s): 1987 D'Elegance 4.1L 1993 Eldo 4.9L 1993 STS 4.6L N* Z rated
    Join Date
    Feb 2005
    New York

    Engine Swap

    So my friend and I have an '84 Eldorado in very good condition. He recieved the car for free however because the engine is seized. We're not sure how it seized or why it seized all we know is that the engine will not turn no matter what. So we have decided to do a swap. I do have an '87 FWD Fleetwood with the 4.1L. Now I know that the 87 engine is mounted transversly but otherwise its very similar. So I was wondering how hard it would be to sway out the eldo motor for the fleetwood motor. We would like to do this because the 87 is a great running motor!

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  3. #2
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
    Join Date
    Feb 2005
    Southern NJ

    Re: Engine Swap

    Bellhousing, intake manifold and a bunch of other stuff is quite different. Waaaay too much work.

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