I've tested Gripp (BBK), UPR, Steeda, and MM Quadrants, Cables, and FWA's in my '93 GT. The best combo hands down was an OEM Ford cable from MM (I got the "universal" length as the extra foot helped clearance around the headers), MM Quadrant, and any firewall adjuster with a set screw or click-lock mechanism (I use a Steeda FWA). This combo was smooth as butter.