When you say did it cool any better, are you talking about better than a modified stock shroud, or better than having no shroud?
I'm sure it cools better under most conditions than not having a shroud, but doubt it makes any noticeable difference whether the shroud was designed for a 1" lift or modified to fit.
The exception to that might be a shroud specifically made to not cover any of the fins at all, but not sure if I've seen such a beast yet.
In that case it would theoretically cool better, but doubt that most of us would notice on our gauges. Usually not that much of the core is covered by the other ones to make a big difference.
How mangled is your old one? Fixable or not?
If not, it sounds like you're stuck paying for one no matter what. But if it's salvageable, that would certainly be your least expensive option.
Good luck.
Paul