Ridetech cradle fitment

[paulk68]

So I am test fitting my ridetech 4 link cradle in my 68 Camaro and at first try it is not going so well, when I get the passenger side sitting snug to the rear frame rails the driver side get pulled down away from the rails enough to fit a finger between the frame and the cradle. Have others had such a large gap? Also where do you start to pull it up tight to the rails.