I believe...our wheel lugs are torqued to about 75 ft. lbs.
Both of those should work with no problem, (and a sufficient supply of air pressure).
Yes, you should be looking at IR! Not sure in the difference in the two models though.
My nuke sub had a two IR 4 stage compressors that lived to be dinosaurs.
![Thumbs up :thup:](./images/smilies/icon_thumright.gif)
IR is good stuff IMO.
Jeff