Had z about 1 month and It just got cold here in memphis.the heat in my 93 z was warm but not real hot Temp out side was 32 My question is this normal or should I suspect a faulty thermostat? this is a great forum for a new z car owner without any previous knowledge...except on my sons 91TT... at 49 going thru my second childhood Thus the name DADS Z...LOL by the way mine is a NA slicktop. Thanks Teddy