I think you can turn it into 68 69, Handle and slot the mounting area in the vent frame and drill the door in the correct spot and weld up that other hole. You will have to look in the door to see if you can do that.
Would be a lot of work to modify the vent frame attachment to get rid of the long screw and install the brackets for the allen head bolt in the door. Would have to install this inside the door..