ATTN, OL RON, FLATJACK; Need spec info,:confused: for a Howard M 8, and Howard M 12 cams... hope to run in 276 flathead, Sharp heads,and 2-2 intake Sanderson tube headers, 2 inch exhaust, all the way....the ride is 39 deluxe fordor,, 3;78's Columbia ...your input, and information...