overheating!!

I have 67 barracuda 360 425 hp champiuon 22inch 3 core radiator a home made schroud, 180 stat. Mine usuall runs 175-180 in the summer on a 90 degree day in town it may go to 195, I also have a electric fan up front set at 200 degree but it usually only comes on during a hot restart on a 100 degree day. I think even a 19 inch 6 cyl rad will do the job if its cleaned and flowing right.