Just bought a new harvestec 4306c chopping head and wondering about the 3-5 horsepower taken per row. Think I will have to turn the pump up for normal operating conditions. Currently running '03 2366 pump set stock. Also do you think I will need a tall corn kit like the one I had on my old 1063 IH head. Got a chance to get a real good look at one the other day and the gathering chains are 2 times as heavy as the 1063 chains. The harvestec is built alot heaver than the IH.