Removing old sealant…?

[Showdown]

In the process of prepping for rebuilding my engine and going through all the bits and pieces, cleaning etc….

My cam towers have remnants of the original sealant on them, now brown and impossible to remove. I’ve tried vapor blasting, acetone, methylene chloride, light razor blade scraping, using new loctite sealant to soften the old… nothing has worked.

What say you: fuggedaboutit, no big deal, sand it off? Scrape? Unicorn tears??

[Flat6pac]

The brown isn’t a sealing surface
Sealing surfaces are clean area between the factory sealant.
Bruce

[Flat6pac]

Bruce

[Showdown]

So, just don’t worry about it?