[juanlaplata]

public
    { Public declarations }
  strlist : TStringList;

procedure TForm1.FormCreate(Sender: TObject);
begin
Strlist:= TStringList.Create;
end;

procedure TForm1.Abrir1Click(Sender: TObject);
begin
if (opendialog1.Execute) then
   begin
   strlist.LoadFromFile(opendialog1.FileName);
   end;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
strlist.Free;
end;

procedure TForm1.actualizarStringGrid;
var I:integer;
      temp: string;
begin
for I:=1 to StringGrid1.RowCount do
     StringGrid1.Rows[i].clear;
     for I:= 0 to (strlist.count)-1  do
                    begin
          temp:= strlist.Strings[i];// Aca serian los primero 160 caracteres
          StringGrid1.Cells[0,I+1]:=  copy(temp,1,8); // en cada una de estas filas copias la parte que quieras de los 160
          StringGrid1.Cells[1,I+1]:=  copy(temp,9,8);
          StringGrid1.Cells[2,I+1]:=  copy(temp,17,4);
                    StringGrid1.Cells[3,I+1]:=  copy(temp,21,1);
          StringGrid1.Cells[4,I+1]:=  copy(temp,22,10);
          ......

          StringGrid1.RowCount:=StringGrid1.RowCount+1;
          end;
end;