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Old 06-23-2019, 08:55 AM   #8
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 9,843
Default Re: 31 Roadster Question

The sill plate there on 28/29 roadsters attach to the sub rail to strengthen the area and add rigidity there. 30 & 31 are different but not a lot. I see no point in arguing about nomenclature. To me it is substructure and it is a rail in the way it is shaped. Most folks that sell these items refer to them as sub rails but they also sell sill plates.
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