I'm not sure how much room you have Paul but there's some dinky little tailgate wiper motors out there,only snag is they're single speed. Might be worth a junkyard reccy though,of course you'd need two!
1950 Chevy Advance Design 3100 in Scotland In the Stovebolt Gallery More pix on Flickr. I've definately got this truck thing in my blood ... my DNA sequence has torque settings "Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.
