03-19-2022, 01:38 PM | #1 |
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Your thoughts?
replacing intake gasket, silicone, no silicone or grease?
WHAT’s YOUR THOUGHTS??? |
03-19-2022, 01:41 PM | #2 |
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Re: Your thoughts?
Grease...
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03-19-2022, 01:41 PM | #3 |
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Re: Your thoughts?
Dry or grease, not silicone.
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03-19-2022, 01:46 PM | #4 |
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Re: Your thoughts?
nothing it,s a thick gasket
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03-19-2022, 01:49 PM | #5 |
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Re: Your thoughts?
Grease, and here's why; using grease allows the surfaces to slide easily as they are torqued down. You know when you apply a sealer [silicon etc] to the gasket surface and torque it down, how the sealer squeezes out around the edges? - well it also squeezes into the engine, where it could end up being circulated in the oil. If you use grease, any of that seepage into the engine can be assimilated into the oil, or fuel /air mix in the inlet ports of said inlet manifold, causing no issues. Also, using grease will most times prevent the gasket sticking to either mating surface, which allows same gasket to be reused more than the once.
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03-19-2022, 05:37 PM | #6 |
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Re: Your thoughts?
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03-19-2022, 05:44 PM | #7 |
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Re: Your thoughts?
I have used nothing on a flathead intake gasket and I'd done a zillion of them with no issues. Modern engines require sealers.
I will, with respect, disagree with Brian in regard to silicone being "squeezed out". If that's the case, way too much was applied. Silicone only requires a very thin film. More is not better. I'd also never consider using a gasket more than once. Gaskets for these Fords are cheap. I value my time more than the cost of a gasket.
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03-19-2022, 08:39 PM | #8 | |
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Re: Your thoughts?
Quote:
I was taught there is no such a thing as a used gasket. Once it's removed it is trash.
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03-19-2022, 09:02 PM | #9 |
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Re: Your thoughts?
Use anything sticky on the manifold side. I use "Hylomar Blue" and grease on the block side, as petehoovie says. It will always come off clean and in one piece. Keep it clean while you are working on why you removed it, and then put a very thin coating of grease on the block before refitting. Saves time and money.
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03-19-2022, 09:36 PM | #10 |
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Re: Your thoughts?
Grease but very, very thin. Don't goop it on.
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03-21-2022, 03:49 AM | #11 |
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Re: Your thoughts?
I use grease
I was told that gas vapour will disolve RTV over time so not to be used on the inlet side -Not sure if this is true but fiqured not worth the risk . I found RTV and silicone very useful when assembling my 1910 Hupmobile engine . Given the age of the castings no mating surfaces even aproximated flat or smooth and the goop evened up the gaps better than any gasket would
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