disturban said:Which one would you use and why? Or would you use something different?
disturban,
I much prefer Techron over Regane. I used Regane just a little over a year ago and after putting it in my truck one week later my engine went bad and caused damage to the innerds. Many people have told me it was just pure coincidence but I still can't help feeling it had something to do with with it.
Perhaps your real problem was caused by the multiple uses of Techron rather than the single usay of Regane?