I run an Evans triple with 48's, 45 mains, 63 power valves and straight up linkage. Engine is 286 ci with new Evans 67 cc heads, Schnieder 400 sr cam and hollow lifters, 1:55 valves,20 degrees total timing all in at 2200. Engine pulls hard to 5000 with 26 tooth zepher gears and 3:54 rears in a...