Main gallery page Castings In Action Slideshow   Water Jacketed Exhaust Manifold << Start < Prev 1 2 3 4 5 6 7 8 9 10 Next > End >> Description This marine engine manifold, made by AC Foundry, Battle Creek, Mich., was converted from two gray iron castings to a single aluminum casting weighing 28 lbs., resulting in a weight savings per motor of 38 lbs. Voting Votes: 1 Average Vote:       Vote:  Very Bad   Bad   Ok   Good   Very Good