1hotdawg
+1y
Even when I was using 5" blocks, I only hit mine once, and it wasn't bad cuz I didn't know lol. Just the slightest bend.
You will be perfectly safe using 3" blocks and just twisting the front torsions to match. Shoot, go out there and measure 3" down from your leaves now and you can see how far it will put them down ...though the block u-bolts are a about and inch or so longer. Still don't see you having any kind of probs with them.