ok, I can verify that a IMRC from a cougar (99-02) is the same as the focus. The cable is slightly longer (2 to 3 inches). I just put one on mine and it has fixed my issues. The old IMRC actuated the lever slowly then snapped back to the long runner position after starting and I think this was the whole problem. Probably a timing issue in the activation of the IMRC circuit. The replacement box actuates much quicker and holds there just like it's supposed to. Taking off is so much better with the added touque on the low end now.
03 SVT Focus, Comp Orange, EAP, Eibach sway bars, H&R Race Springs, Koni Sports, steeda shifter, Massive camber arms, toe links, engine mount bushings, sway bar end links.
other car: 2004 SVT Cobra Coupe, Screaming Yellow, 2.76/2lb lower...