I have just purchased a Grizzly 609X jointer, and would like to edge joint 8/4 slabs which are 25 inches wide and 8 to 9 feet long. This jointer has a 83 inch bed. Will that be adequate, or do I need to build extension tables. I am a farmer by trade, and have access to extensive metal working tools. Therefore construction of the extensions would not be an issue. Any ideas and/or experience would be appreciated.