Ford Taurus 3.8L two speed. Early 90s.(They also came on Lincolns) Search the net for info. They'll keep about anything cool and the wrecking yards are full of 'em. The only real drawback is they pull some serious startup amps.
Go to a car show in our area and almost everybody is using these and they all mention the high draw you have to deal with but done right they're hard to beat. These guys are setting up their heat-generating hot rods to cruise in 110 summer heat.