For an SVT the pressure should be
45psi at idle, 55psi at WOT, + or - a bit.
I had a fuel pump that when the engine got warm the pressure went down not up.
1996 2.5LT V6 Contour ATX
My Tour+help/info pics
E0 rims, Gutted Pre-Cats,CTA Custom Exhaust & Intake, Diablo Chip.