Spencyg, the pictures would be really helpful as far as down time goes when I go to install it. It's not a performance mod, its on my 89 7mge, and the reason is, one I can, two this is the third heater core, the first two cost over 700.00 installed. Since I've owned the car around 10 years, anything I do to it I prefer doing a one time job if at all possible. I also have another Supra 87 7mgte, so naturally it will get one also.
Geezer