No way to remeber all that....

But, you can adjust the t-bars to re-gain the TJM bumper sag you mentioned.

If you don't have the skid from the bumper to the first cross member, you can change the oil OK by reaching in.

I'm not sure if the skids have been battle tested and reported on in writing, but the guys I talk to say they are bullet proof, and cover way more than the Skid-Row plates (I have the S-R plates, for a couple of years now...)

Ok, that's all I can remember you asking...