D daves66nova Joined Apr 11, 2004 Messages 4,074 Location los angeles Feb 11, 2026 #1 I recently found an unopened bottle of this. Any good still?
bdcardinal Joined Jun 3, 2005 Messages 19,279 Location Santa Barbara, CA Feb 11, 2026 #2 Oh man, you've said the word. Now all the German Castrol elves are going to appear.
Klutch9 Joined Jan 7, 2009 Messages 3,350 Location Rochester, MI, US, World Feb 11, 2026 #3 I think I still have a bottle in my parents’ garage haha. I might use it to clean up the mess that HPL will leave behind in my Explorer…
I think I still have a bottle in my parents’ garage haha. I might use it to clean up the mess that HPL will leave behind in my Explorer…
dnewton3 Staff member Joined May 14, 2007 Messages 13,896 Location Indianapolis, IN Feb 11, 2026 #4 Yes, it's still around. Yes, that bottle is still good. It has fallen out of favor, for various reasons (some valid; some not).
Yes, it's still around. Yes, that bottle is still good. It has fallen out of favor, for various reasons (some valid; some not).
T Tempest1 Joined Apr 13, 2006 Messages 262 Location Las Vegas NV Feb 26, 2026 #5 If you have some "basic" oil like Supertech or Kirkland add 3oz. for a cleaning boost each OCI. I've been doing that for awhile.
If you have some "basic" oil like Supertech or Kirkland add 3oz. for a cleaning boost each OCI. I've been doing that for awhile.