Changing engines from 89-84

Discussion in '1973-1987' started by ChevyMitch, Jun 25, 2011.

  1. ChevyMitch

    ChevyMitch Member

    Mar 11, 2008
    Im removing the junk 305 in my 84 GMC 1/2 ton and putting in a 89 efi 350.

    I would like to leave the efi throttle body on the 350.
    Do I need to do some computer swapping or anything to make it work?
    Photos available, thanks.

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