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"Porsche did not think so. They put out a TSB that says to use it."
Use "it" versus what? I can understand some folks not using anything and thus the TSB.
Manufacturers all have "approved" brands (e.g., gasket sealers, oil, filters, etc.). It could mean no other brand works or has been approved. However, this doesn't necessarily mean another brand won't work. So, should you then use Mobil 1 or whatever the current Porsche-approved lube oil is? Does that also apply to 30 year old cars? If not, should Optimoly as well? I'd have to see the TSB and read what it says about lug nuts.
Sherwood
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