Allied Systems is seeking a 90-day extension to file its plan to exit chapter 11 protection as its financial adviser evaluates the troubled car hauler's restructuring options, Dow Jones DBR Small Cap reported today. In court papers filed on Friday, the company asked for an extension through Jan. 7, 2013, of its exclusive chapter 11 control. A court hearing on the proposed extension is set for Sept. 28. Allied's current plan-filing deadline is Oct. 8.