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Old 10-19-2016, 11:32 AM   #1
shaefer
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Default Silicone needed when installing new intake/manifold gaskets?

Picked up a new gasket kit from snyders (http://www.snydersantiqueauto.com/gasket-set-2006).

Wondering whether the exhaust/intake manifold gasket needs silicone or is it ready to go just the way it is?
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Old 10-19-2016, 11:36 AM   #2
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Default Re: Silicone needed when installing new intake/manifold gaskets?

No sealer needed
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Old 10-19-2016, 11:37 AM   #3
shaefer
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Forgot to ask also about the radiator/water inlet gasket.
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I was born in 1982 and in 1989 my father found the perfect '31 Cabriolet. In 1997 he finally bought it and it became our favorite thing to do together. While my friends were buying Playstations and XBoxs, I was saving up for a muffler. 9 years later, while their game systems were gathering dust, I was picking my wife up for our first date in that car. I drive it to this day and I hope to keep it up so my son can enjoy it just the same. That's the joy of a Model A!
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Old 10-19-2016, 11:40 AM   #4
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Default Re: Silicone needed when installing new intake/manifold gaskets?

install dry or maybe with a little spray sealer
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Old 10-19-2016, 11:53 AM   #5
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Default Re: Silicone needed when installing new intake/manifold gaskets?

10-4. Thank you!
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Old 10-19-2016, 11:54 AM   #6
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Default Re: Silicone needed when installing new intake/manifold gaskets?

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Quote:
Originally Posted by shaefer View Post
Forgot to ask also about the radiator/water inlet gasket.
No sealer needed
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Old 10-19-2016, 12:16 PM   #7
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Default Re: Silicone needed when installing new intake/manifold gaskets?

I would not use that green gasket that's in that set, you will be replacing it in a short while, get the steel gasket or better still the copper gaskets.
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Old 10-19-2016, 12:22 PM   #8
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Quote:
Originally Posted by Brian T View Post
I would not use that green gasket that's in that set, you will be replacing it in a short while, get the steel gasket or better still the copper gaskets.
You can't go wrong with the copper gaskets. Do it right the first time. Wayne
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Old 10-19-2016, 01:34 PM   #9
BILL WILLIAMSON
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Default Re: Silicone needed when installing new intake/manifold gaskets?

OLD Race Car Builders say, "What the hell did we do in the "OLD DAYS", without MODERN sealers"?
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Old 10-19-2016, 01:48 PM   #10
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Default Re: Silicone needed when installing new intake/manifold gaskets?

I sprayed my copper ones with coppercoat - figured it cant hurt. Been spraying all gaskets with that stuff and seems to work well.
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Old 10-19-2016, 04:44 PM   #11
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Just ask yourself, "If I'm using a gasket to seal the connection do I really need a sealer to seal the gasket?"

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Old 10-19-2016, 05:13 PM   #12
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Confirming Brian T's comment.
I have seen the the green unclad manifold gaskets fail after a short amount of time.

I am also skeptical about how well any silicone would hold up with the extreme temperatures at the exhaust port.

I have had good luck with both the steel clad and copper clad gaskets. The copper clad are my preference.

Hope this helps
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Old 10-19-2016, 06:52 PM   #13
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Do not use silicon anywhere near the fuel system. Fuel will dissolve/soften silicon and cause you some heartache.
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Old 10-20-2016, 02:11 PM   #14
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Default Re: Silicone needed when installing new intake/manifold gaskets?

I heartily agree with the comments about the green manifold gaskets, also pass on the one piece dimpled steel gasket, they don't fit right. Pay a little more and get the copper clad copy of the original. Ask me how I know!
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Old 10-20-2016, 04:24 PM   #15
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Default Re: Silicone needed when installing new intake/manifold gaskets?

Go easy when tightening the rad inlet. Many have snapped the ears right off. I learned here long ago many prefer a VERY light skin coat of "cone" instead of the gasket.
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