Using technology similar to the Jet PCM, the Jet module provides the ultimate in power tuning. Point-by-point air/fuel, ignition advance, transmission, and various other tuning points provide performance gains and, in some cases, improved fuel economy.
In this case, a chandelier with a diameter of 20 inches would work well in an 8-foot by 12-foot room. For a dining room, the chandelier should have a diameter around 12 inches less than the table is wide. It's always better to have a chandelier that is slightly too big than too small. Measure for the length.
With ceilings over the standard eight feet, you base the size of the chandelier on the room size or living space. In this case, you would want to make sure the width of the chandelier is one foot less than the width of the table, to ensure six inches of clearance on either side of the table.