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Old 04-23-2026, 01:18 PM   #2
hueyhoolihan
Senior Member
 
Join Date: Dec 2024
Location: central coast california
Posts: 598
Default Re: coolant clean out. WOW

Quote:
Originally Posted by kevinshea View Post
Been having some issues with overheating after getting my woodies out of storage...

Been flushing it out with clean water, but decided to use some Blue Devil coolant flush.. this is what came out!

will be repeating until it is clear.
it looks as though "Blue Devi" contains an active ingredient that dissolves grease and oil. i suspect that was what's (primarily) been removed from your coolant system. it would have some, but minor, effect on loose rust however. a mild rust remover may give even more dramatic results, i would imagine.

something like "Evapo-Rust" could be helpful, although i have never used it.
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