rear seal issues

Too long, too short? too fat? Whats the issue? The 340 seal area will be 1/4" above the oil pump boss. The 360 seal area will be 1/4" below the oil pump boss, just an FYI to make sure you got the right pan. (from Milodon web http://www.milodon.com/oil-pans/drag-race-chrys-oil-pans.asp )