Since you want to pursue this, compared to IFS a beam axle has hundreds of lbs. less weight on the front tires after each rebound, and hundreds more after each bump on a rippled surface.
What do you think that does to steering and braking?
Try touching the shock body after 30 minutes of that road, and see if the paint is burned off yet.
If they work so well, why don't passenger cars use them for the last 70 years?
