i have a 1970 360 block filled to the top of the soft plugs. 408 stroker set up street/strip and engine runs 180* cruising and 200* in town with a 160* stat in 80* weather. no oil cooler or oil temp gauge, but no issues yet. second season on this set up. i use brad penn oil.

http://www.youtube.com/watch?v=aIxaesJ190U

http://youtu.be/lCZAaN7fFLg