Didn't whoever tried the first time (w/Focus engine) say that the block was the same, but the waterpump and oil pan were different? Like if you changed those to the contour spec ones, then it would work?

Contour--It will make a master mechanic out of you! 95 LX MTX Bolt-ons 95 Neon SOHC ATX 77 Dodge Powerwagon-more displacement than my Neon, Contour, and wife's Saturn---combined!