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Questions about tubes and gear that glows. FAQ

I never used Pro Gold on tube pins

Nor would I. I know about the newer higher rated version. The problem with it and De-oxit is their long term stability. I would never use either on anything. They are both a rip off.
I'll bet you $1,000 right here that Mobil 1 is chemically superior to either in every known way. That's right. We are talking about metal protection, not forming varnish, which D5 is well proven to do over time. G5 reacts with certain alloys/base metals. Some people like the green color though. I'm getting the feeling you spend more on contact potions than protection for your engine!
Tube pins do not need corrosion protection. In 40 years I have never seen a corroded tube pin. Who would use one if it was corroded anyway?
What they do benfit from is lubrication. High insertion forces can lead to premature failure of printed circuit board traces/pads and sockets. Put 2 drips on a Q-tip, let it soak in and then lightly brush the pins with it. I do not always do this because I'm too lazy, but I should.
I do clean and polish certain jacks/connectors with Mobil 1 and have for years. I went back to it after suffering expensive damage from both D5 and G5.
Use what you want. I don't care. Just trying to save others the grief I experienced.
If it will protect multi-million dollar race engines made from exotic alloys operating at extreme temperature and stress, it will surely protect your precious connectors.
I added the last part to help you understand.
Disclaimer: I do not work for Mobil, but I once did.


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