Quote:
Originally Posted by Chuck33079
It doesn't look like the majority of those that Mcmaster sells are fuel and oil safe.
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That's an industrial rating.
Meaning you can run fuel and oil through them at pressure 24/7. Silicone is silicone. It's not going to degrade from the oil and fuel residue your PCV system will have in it.
McMaster rates their stuff based on the certified industrial ratings, ISO and OSHA and all those other agencies and organizations. Don't take them too literally for our hobby work, a large majority of the aftermarket parts people out there are using these same components and charging 2-3 x's as much and just leaving off their official ratings info.