SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: 87hardin on August 02, 2015, 07:15:15 PM

Title: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 07:15:15 PM: Hey guy's need some advice got a new intake manifold and I'm going to install it this week need some options on intake manifold gaskets are a good set of fel pro ok to use??
Thanks for your help in advance.
Title: Re: Intake manifold gasket
Post by: JBASHAM on August 02, 2015, 07:20:26 PM: Felpro is good

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Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 07:29:20 PM: Quote from: 87hardin on August 02, 2015, 07:15:15 PM
Hey guy's need some advice got a new intake manifold and I'm going to install it this week need some options on intake manifold gaskets are a good set of fel pro ok to use??
Thanks for your help in advance.

On what?

GT

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Title: Re: Intake manifold gasket
Post by: crewchief22 on August 02, 2015, 07:34:39 PM: I know you have a stock BBC, do you know what heads are on it? Oval port or rectangle port?

Also what intake manifold are you running?

I like the Fel Pro Performance gaskets but there are several available.
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 07:52:54 PM: Its a bbc oval-shaped and im switching to a edelbrock air gap from a performer 2.0
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 07:54:44 PM: Also is there a difference for automotive and marine?
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 08:02:54 PM: Quote from: 87hardin on August 02, 2015, 07:54:44 PM
Also is there a difference for automotive and marine?

Manifolds, yes, gaskets, not really, although they would like you to think so.

Fel-Pro, Cometic, Victor, they're all pretty darn good.

GT

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Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 08:05:10 PM: I should use black silicone on the end rails and around the water ports correct.
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 08:06:44 PM: Gt there is a difference in manifolds from auto to marine what are they .
Title: Re: Intake manifold gasket
Post by: crewchief22 on August 02, 2015, 08:07:59 PM: I use the Permatex Ultra Grey RTV in place of the supplied end gaskets.

I've used the Fel-Pro Performance gaskets with good results.

http://www.summitracing.com/parts/fel-1212 (http://www.summitracing.com/parts/fel-1212)
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 08:33:32 PM: Quote from: 87hardin on August 02, 2015, 08:06:44 PM
Gt there is a difference in manifolds from auto to marine what are they .

A true marine intake manifold has brass inserts cast into the water ports, when I get home I will snap a picture or two.

Water never touches aluminum in a marine deal.

GT
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 08:45:45 PM: Ok thank you, what kind of problems can i have without those brass inserts. A buddy of mine owed me some money and instead he bought me a brand new manifold i don't think either one of us gave that any thought. Crap.
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 09:25:46 PM: Quote from: 87hardin on August 02, 2015, 08:45:45 PM
Ok thank you, what kind of problems can i have without those brass inserts. A buddy of mine owed me some money and instead he bought me a brand new manifold i don't think either one of us gave that any thought. Crap.

How long do you expect it to be left in the water? If just for a few days at a time, you will be just fine. There are thousands of non marine aluminum intakes out there.
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 09:28:08 PM: The boat never stays in the water more then the weekend. But as of late just for the day .
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 09:57:39 PM: Quote from: 87hardin on August 02, 2015, 09:28:08 PM
The boat never stays in the water more then the weekend. But as of late just for the day .

Your golden. IMO.

GT
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 09:58:25 PM: Thanks for your help GT.
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 10:06:02 PM: Quote from: 87hardin on August 02, 2015, 09:58:25 PM
Thanks for your help GT.

Your the one that has to do the wrenching lol.

Anytime bud.

GT
Title: Re: Intake manifold gasket
Post by: 87hardin on August 02, 2015, 10:06:50 PM: Hopefully it's worth it .lol
Title: Re: Intake manifold gasket
Post by: GT Jets on August 02, 2015, 10:26:34 PM: Quote from: 87hardin on August 02, 2015, 10:06:50 PM
Hopefully it's worth it .lol
On a big Chevy, it is imperative that you follow the GM torque sequence.

Good hunting brother!

GT
Title: Re: Intake manifold gasket
Post by: 87hardin on August 03, 2015, 05:51:01 AM: Thanks