Be careful as there is not alot of room for high lift cams in stock 318 heads. We use this cam with 600 cfm, Ed performer, headers and electronic ignition.
http://www.compcams.com/Company/CC/cam-specs/Details.aspx?csid=625&sb=2
Their program says 300hp 360tq. We did cut down the guides and put positive seals on our 302's, this went in our 92 truck no computer control.