Don't let the self proclaimed DR . Give you info ..If you reduce your rotating Mass by knife edging and lighting your crank have pistons made with a small block Chevy wrist pins thin ring pack with gas port holes and smaller skirts use high side of your clearances to get your parasitic resistance down to a bout 10lbs to rotate your lower end..Get some Program Billet steel 4 bolt main caps and a good Machinist to do your work.. Of course you need to run a sump style oil pump,Good heads, cam and valve train..Not going to give you all My secrets..lol But I shift mine at 7,600 to 7,700 and Pulls up to that #