Great in some cases, not good in others. When you get ready to do them, let me know and I will post some pics of the final version. I changed the locations of the front ones, they work awesome and you can install those without removing the frame. The back ones work well also but are a real knuckle buster to get in place.
And I still need to come up with something for the drive chains. I may start looking at some serpentine belt tensioners off of a Chevy. I am thinking you could use the strut channel nut on one end, and an idler sprocket on the other.