HELP, needing a mercruiser 898 port side exhaust manifold.End riser type. Need it for a small block chevy, 305 motor. Noticed a small amount of water in boat this weekend and found a small crack in my port side exhaust manifold, tried JB weld and when it gets hot, opens up a touch. Just don't want to split when on a long run. Anyone with a manifold for sale, please let me know with price and location. Need asap. Thanks all, Mike