Mercruiser - 5.7L SKI, 8 cylinder, conventional ignition. OMC - 5.0L ('82-'88), 5.7L ('82-'89), 5.7L King cobra ('88), 185 ('75-'80), 200 ('79-'81), 225 ('78), 225 ('78 M models), 230 ('79-'81), 230