gish...I think what you've probably seen on some trucks over here is what's called a monoleaf.
They're meant to be single.
If you stripped an original leaf pack down to a single,especially at the front it wouldn't be able to support the truck.
It would be on the bumpstops permanently!


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.