Hi Rick, The 59 parts book shows 4 different motor and mounting set ups for power windows. They probably used the same patterns for making the door and regulators and just used whatever motor was available at that moment. Allan R On Fri, 10 May 2002 17:24:47 -0500 (CDT) SC1342@xxxxxxxxx (Richard lindsey) writes: > dose anybody know why there are two different power window motor > mountings in the drivers door in 59 imps,,? one is a screw > clamp,,the > other is a 2 bolt mount on the motor housing its self? maby > different > years or ???. thanks,,rick > > >