Join Date: Nov 2002
Location: SouthEastern PA
I didn't really notice much difference between the two, except that I think you will aprreciate the extra heat in the winter! I just switched back from 180 to 195 because of that, and I figured, even if the 180 causes a little extra wear, I would prefer to avoid it.
And, as far as I know, you should use sealant on both sides of the paper gasket.
Owner, 1990 Thunderbird SC, white w/ gray cloth