Actually, LastSHO, your MAF location makes a enormous difference, believe it or not! If you move your MAF too far/close, you'll disturb the accuracy of the MAF working with the throttle and fuel, thus leading to a screwed up Air/Fuel mixture. As for the mods on a Sable, it's pretty rough to answer since it's not a popular thing to do. Even the SHOs have few mod up parts and a smaller selection then anyone would imagine. SHO Shop in Hunnington Beach, CA is supposedly starting UDPs and some other mods for the Taurus/Sable. I'd look into that.
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Neno & The '91 Dark SHO
Black on Mocha with black seats & console, Rod Shifter converted, Bridgestone Blizzak WS-50, Inner fender air box removed, SHO Nut Reinforced Motor Mounts.