Deve, I always had manual switches on my Y-Blocks and ran them in reverse OD. You just had to make sure you put it in OD while standing still and leave it there until you stopped. I got a ticket for doing 40 in a 30 on our Main St. going backwards a few weeks before this picture was taken.
https://plus.google.com/photos/1081...1431006034&oid=108197707187186692269A few months earlier, I got a ticket for going 120 on Main street, but I was going forwards. You sure have to hold the steering wheel straight at 40 in reverse. Its like driving a forklift.