Things got a little interesting with the Topaz, with the addition of a High Output version of the pushrod EFI 2.3-liter HSC (High Swirl Combustion) 4-cylinder and a slightly more sporting wheel/tire and suspension package to go with it. Mercury did some interior sprucing up, as well.   1987 Mercury Topaz AWD Test Drive 1987 … Continue reading 1985 Mercury Topaz Manufacturer Promo