negative, how much better is it than pb blaster is it?

 

I couldn't put a number to it, but having used both I'll stick with the CRC stuff. I found that when I used PB I had more trouble/broke more fasteners than I did with Knock'er Loose, and Freeze Off seems to work even better than Knock'er Loose.

I had a '69 IH Scout with most of its fasteners having been in place for 30 years or more, and I didn't break anything, ever, using Knock'er Loose and/or Freeze Off. Since I was out to save myself unnecessary bother rather than to prove that the stuff in the can was awesome, I almost always soaked things overnight and resprayed an hour or so before starting to work. And if I thought something might want to give me trouble I whacked it with a hammer before spraying. Worked every darn time.