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late model 454 swap

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by hd44blazer, Dec 18, 2006.

  1. hd44blazer

    hd44blazer 1/2 ton status Premium Member

    Dec 21, 2005
    Likes Received:
    Antioch, CA
    I wanted to know how difficult it would be to swap a '98 bb454 into a '79 with a sb400, would the motor mounts be the same or close to the same and probably the 4l80e that it's attached to, I'm under the impression that these two transmission are very similar. Also I'd be getting all the factory electronics with the package. Thanks.

    NM...I should've searched first, because I found what I needed.
    Last edited: Dec 18, 2006

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