I have searched and looked over many posts on performing a SAS, but i could not find an answer to this question:

Would there be a problem with doing a SAS using springs in the front and keeping the coils in the back?

I read this post in Pirate where they removed the coils in the back and replaced them with springs over the axles. I think it was to match the heights of the front springs, which were also over the axle.

What would be the draw back to doing a SAS and keeping the springs under the axle in the front and leaving the rear suspension alone?

Jaime