Does Restore Work? Will it Improve Engine Cylinder Compression?

The verdict

He didn't give an outright ranking in this one — the full tested list is below.

Everything tested 3

• Engine Restorer for 8 cylinder engine
  Amazon ↗
• Engine Restorer for 6 cylinder engine
  Amazon ↗
• Engine Restorer for 4 cylinder engine
  Amazon ↗

Links go to Todd's own Amazon listings with his affiliate tag intact — this site adds nothing and takes nothing.