I have the double in my contour, and the single in my mystique. I haven't measured them, but it seems to me that both come up about the same height. Maybe not, but I hadn't noticed a difference.

And with this post I am now a hardcore CEG'er. Look out, Kremit, I'm a gonna catch you...

95 Contour Zetec, ATX (wrecked, sitting in the barn) 95 Mystique Zetec, MTX 2000 Taurus SEL 3.0L Duratec 1994 Crown Victoria LX 4.6 V8 1993 Chevy Silverado 4.3 V6