Smallblock efficiency or How to have your cake and eat it too

Impressive, what camshaft? J.Rob
can't remember , was not a big cam , just on the edge for running power brakes . made 412 hp 435 tq ,I was the only one in our group not needing gas after 100 mile plus cruise . Ill try to find the specs on the cam , if i remember correctly it had 513 lift with 1.6 rockers other than that it's blank