Mopar Performance SS Springs Installed Pictures Request on 64-66 Barracuda

The only thing I don't like about it is the ride height out back. I like how it hooks up already, and i like how stiff it makes the car. I'll be looking at drop hangers and degree wedges vs. 1" blocks. Want to put in new U bolts anyway.

Looks like you are opening a can of worms. Drop hangers and lowering blocks will completely cancel the design and functionality of the SS springs.
Your going to spend more money chasing your tail, instead of doing it right the first time. Cut your losses.Get yourself a set of stock replacements, and sell the SS springs to someone who can use them. Or put them on the shelf for a future build.
Your car, your money....Good luck !!