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On 4/11/2023 at 5:21 PM, old said:

Not aircraft related but has anybody had luck using brulin as carb cleaner in an ultrasonic?

On disassembled components and neutralized immediately after a short period you should be ok. Keep in mind that stuff is meant for exotic stainless and titanium alloys NOT aluminum (lower on the nobility scale and MUCH more anodic.

Carb parts are generally 6061-T6 or similar and will corrode if left for hours unattended, a short bath should be ok if monitored.  The best stuff is carb cleaner which is hard to get now due to trichloroethylene content.  Short of that soak it in a pail of gasoline, that’s what the old timers did (and I still do on my equipment).  Unless that thing is soaked in cocked oil from a sick engine you shouldn’t need something as base concentrated as Brulin.  Good luck!

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