So just to clarify, is this question you have concerning your contour or your Taurus?
AND
Does your contour already have the 3L in it or still 2.5L?
Because if you only have a 2.5L in your Contour, just swapping in the 3L with the contour heads/intakes and stock fuel injection hardware will give you the extra 50 HP you are looking for. You add the other goodies and you will really be Sportin' at that point.

Just check out my website under the 2001 engine swap link