finally got my engine out

well today i took my engine out what a mess it was...... iv been wondering if it was a HO or not and its not. its got cast pistons and a flat tappet cam...
im boreing it .030 over so i wil lprolly get forged pistons of coarse but is there anythign wrong with a flat tappet cam is there still good cams for them can i still get large amounts of pwer....