You can completely remove all window guides and tracks and use a rubber wedge against the door and glass This works best if you still have the belt moldings ( the horizontal ones on the edge of the door where it meets the glass) I am using a couple of soft rubber door stops that I found at Lowes Place glass in the door and jam the wedge in A lightened door requires the car to have door bars in circuit racing The marshall needs to be able to open the car door(s)in an emergency without having to stop and ask you how to doThis makes them open and closes on their own They also make it convenient for parking in tight spaces
Using Foamex Foam Pvc To Make Race Car Track Day Door Cards Cut Plastic Sheeting