Z'd front vs drop spindles

[Ziegelsteinfaust]

Currently my truck has a pancaked crossmember, and drop springs. Along with a Gulstrand mod and moving the lower A arm forward to maximize the stock package. The whole truck basically started with how much could I polish factory parts for replacement simplicity.

I have been wanting to lower it more because I am bored, and I am getting ready to swap out my wounded motor.

Well since the motor is coming out perfect time to Z the front, and get a couple inches lower.

Or I could add drop spindles. Rather 2.5 or 3 inch versions.

I am in favor of the Z since I have all the tools, and cost would be minimal. Leaving money to buy the other parts I need to do the swap, and move my helper air bags. Is there any optimal amount to Z a frame? I was just thinking about 3 inches seems very popular.

Where as the spindles are a hour job, but my lower A arm is now closer to the ground. Which looks like it maybe a future issue with speed bumps.

What say you?