If you are going to put a total of 4 separator bars on a 1680, I would use the factory configuration. They are staggered to cover all three grates. Do you need the locationsIJ For eight bars, I would put all eight over the grates also. Mike
Scott, Please refer to my comments to Converted Red on Sept. 30, 03. I hope you find them interesting. Please call me at 1(800)235-4461 any time and ask for Don.