Well I have had a little luck in my quest for a local (for me) supplier of casting compound. It turns out Checker Industrial in Windsor ON has available 97A hardness in liquid form, it is in stock in there Toronto warehouse, I should have my order on monday if not tomorrow, I will post the part # and other info once I get it.

98 Contour SE 3.0L 5-speed SCT PRP, Gutted IMRC's, Fidanza Flywheel, Race Ported 2004 3.0L Oval Port, Zex 125hp shot, 70mm Mustang TB, 42Lb injectors,Walbro 255 pump, Traction Bars, Zeitronix wideband o2, lots of little things, 10,000K HID's!!