It turns out Performance fords gave me the wrong rear struts...

he gave me 8710 1368 instead of 8710 1294

here are some pics of the results
http://members.cardomain.com/masterjuices

Still trying to reach the guy who sold them to me..
i will keep posting til i get the right struts

98 silverfrost contour se duratec mtx eibach springs koni struts K&N P-Flow ford racing plug wires