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hipdoc's Avatar
 
Join Date: Sep 2007
Location: Fresno, CA
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911E case


I just found this on my 1973 911E case. Any recommendations if this is repairable and who is the best to do it.
Old 07-05-2016, 08:55 PM
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Doesn't look critical, I wouldn't do anything.
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Old 07-06-2016, 01:05 AM
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Might treat with grease/oil to stop corrosion. We spend a lot of time stopping the leaks for aesthetics and achieve lowering their natural immunity to corrosion.
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Old 07-06-2016, 06:14 AM
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Critical, no...but it certainly could become so down the line. I'd give a good cleaning with white spirits to drive out any moisture, buff it down with a non-ferrous wheel and give it a good soaking with something like Meguiar's. It will do nothing but get worse if you do, well, nothing.

Don't use ferrous based wheels or acid to clean.

I believe PAG suggests protecting Mag surfaces where the protective barrier is degraded with Tectyl. You could also look at re-passivating the surface with chomic acid but I don't know if that's a good idea anywhere where on a joint.

Apparently there are all types of Tecyl. Here are a couple from the Valvoline site that may apply:

Tectyl ML Greenline - Aftermarket - Valvoline
Tectyl Glashelder/Klar Spray - Aftermarket - Valvoline
Tectyl Multipurpose Clear - Aftermarket - Valvoline
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Last edited by tharbert; 07-06-2016 at 07:06 AM..
Old 07-06-2016, 07:00 AM
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