SP allows a certain amount of overbore and deck height shaving (IIRC) as well as valve work (IIRC), which, by the time you do to a 2.5L, you might as well have bought a 3.0 and shot for SM. I've never heard of anyone doing this to a Contour just to run in SP, but there you have it.

Last edited by Auto-X Fil; 02/28/06 01:25 AM.
Function before fashion. '96 Contour SE "Toss the Contour into a corner, and it's as easy to catch as a softball thrown by a preschooler." -Edmunds, 1998