Hey guys are just got a new to us Brent 674 grain cart that's replacing one of our John Deere 500's. I know it's only another 125 bushel more, but the cart looks so much bigger behind the 8920. Since the 500 makes our drawbar Flex quite a bit already, should a guy buy the HD replace the standard drawbar, or should the standard 3 by 1.5 in drawbar the okay? Anyone have a setup like this it has experience they like to share?   The next question is should we run duals with the cart? It ha