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Manifold Gaskets- sucking and eating them- any advice?
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Topic: Manifold Gaskets- sucking and eating them- any advice? (Read 10097 times)
H67bug
Sr. Member
Posts: 294
Manifold Gaskets- sucking and eating them- any advice?
«
on:
September 13, 2010, 07:11:05 am »
Does anyone else come across stories of manifold gaskets being "sucked" in?
I have never had it but a few of the club guys are having the problem with heavily worked manifolds. Basically the gasket is very thin in the middle and this tears/ breaks. The remedy is to keep removing the engine and replacing the gasket every 1000 miles or so which is a pain.
Is this a common problem we need to learn to live with or is there some good advice out there? Is the only answer to build up the manifolds again and have less radical porting?
Many thanks
H
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BeetleBug
Hero Member
Posts: 2836
Snabba grabben...
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #1 on:
September 13, 2010, 07:13:59 am »
Yes, that`s why I don`t use paper gaskets between the head and the manifold. Locktite blue flange silicone does the job a lot better.
Best rgs
BB
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Bobby Welker
Newbie
Posts: 23
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #2 on:
September 13, 2010, 07:50:07 am »
you could try the loctite 515 really works try not to get to heavy with it. Stole this idea from my buddy Mike Lawless.
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Bruce
Hero Member
Posts: 1420
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #3 on:
September 13, 2010, 08:41:13 am »
The VW industry uses crappy gasket material that doesn't stand up.
You can buy a rectangular sheet of gasket material from Mr. Gasket that stands up waaaaaayyy better than anything the VW stockist has.
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Neil Davies
Hero Member
Posts: 3438
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #4 on:
September 13, 2010, 09:20:56 am »
Quote from: Bruce on September 13, 2010, 08:41:13 am
The VW industry uses crappy gasket material that doesn't stand up.
You can buy a rectangular sheet of gasket material from Mr. Gasket that stands up waaaaaayyy better than anything the VW stockist has.
I've used this too - it's much thinner and so is less likely to suck, as the middle piece is wider than it is tall - it can't "roll over".
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Jason Foster
Hero Member
Posts: 1255
7.69 87mph 12.35 106 mph
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #5 on:
September 13, 2010, 16:31:41 pm »
Quote from: Bobby Welker on September 13, 2010, 07:50:07 am
you could try the loctite 515 really works try not to get to heavy with it. Stole this idea from my buddy Mike Lawless.
Same here. quit using gaskets over a year ago.
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j-dub
Full Member
Posts: 146
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #6 on:
September 13, 2010, 17:45:24 pm »
Can you go into a bit more depth on using locktite 515? I remember this being sort of runny. Do you reapply each time you remove the intake manifolds? Do you have to clean the surface up before you reapply or just reapply over the old stuff?
Lastly is this more of a drag race thing or something that will hold up for a street car?
Thanks in advance,
Jeremy
«
Last Edit: September 13, 2010, 17:47:54 pm by j-dub
»
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Lids
Hero Member
Posts: 3527
show me the chedder
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #7 on:
September 13, 2010, 19:41:33 pm »
i used some grey porsche sealant.
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Harry/FDK
Hero Member
Posts: 3613
Every Rule Was Made To Break, Even Callook...
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #8 on:
September 13, 2010, 19:50:07 pm »
Quote from: Lids on September 13, 2010, 19:41:33 pm
i used some grey porsche sealant.
Dirko ?
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Type1/DVK
Sr. Member
Posts: 315
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #9 on:
September 13, 2010, 19:52:40 pm »
make a mould, laser them from copper
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Harry/FDK
Hero Member
Posts: 3613
Every Rule Was Made To Break, Even Callook...
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #10 on:
September 13, 2010, 19:53:51 pm »
Quote from: Type1/DVK on September 13, 2010, 19:52:40 pm
make a mould, laser them from copper
IF you have the buddy's...
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Jim Ratto
Hero Member
Posts: 7121
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #11 on:
September 13, 2010, 19:57:24 pm »
not sure where they get their material, but bought a big stack of Berg gaskets 10-12 years ago, and it's still a big stack. I almost never change them. I do apply a dab or grease to both sides every time I have carbs off. Only time I've changed them is when I changed
heads
in 2007 and then again in July 2008.
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Harry/FDK
Hero Member
Posts: 3613
Every Rule Was Made To Break, Even Callook...
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #12 on:
September 13, 2010, 20:00:49 pm »
Same here, i grease them very well and they DO come off easy. But with silicone, life would be easy (er). Just don't know about the middle section. Sometimes i'll leave them overnight to suck up the grease. Same with airfilter base-gaskets for IDF's.
«
Last Edit: September 13, 2010, 20:09:46 pm by FDK/Hurry
»
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Bobby Welker
Newbie
Posts: 23
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #13 on:
September 14, 2010, 04:26:55 am »
First the obvious see if the manifold is flat. Clean the manifold, and the head really well. Apply a thin coat make sure not to run it inside the manifold, or head. Put together and tighten up I personally snug them, wait a few minutes and tighten a little bit more. Trust me i tried to pull the manifold after the next day, and to my surprise had to take a rubber mallet to it, to separate them.
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Fiatdude
Hero Member
Posts: 1823
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #14 on:
September 14, 2010, 20:24:33 pm »
I've always used plain clear silicon and found it worked very well -- -- intakes as well as exhausts N/A and Turbo -- -- also I use to use a small steel insert pressed into the manifold where the bolts go through (looks like a small piece of tubing) with all the weight of the carbs and manifolds this helped stop a lot of the movement which increased gasket life -- -- Think the last set of these I got from AJ Sims.
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clark2334
Newbie
Posts: 2
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #15 on:
October 19, 2010, 06:57:53 am »
When i got manifold gasket problem i ended up buying new head gasket set which already includes 2 cylinder
head gaskets
, 2 valve cover gaskets, 2 intake manifold gaskets, 2 exhaust manifold gaskets, 2 exhaust pipe gaskets, 5 soft gaskets, 24 valve stem seals, 14 rubber seals, 2 oil seals, 6 spark plug seals, and 1 upper intake manifold.
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Kaferdog
DKK
Hero Member
Posts: 652
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #16 on:
October 19, 2010, 08:27:06 am »
Loctite 515...!!!...When using this how much is too heavy...? I mean how much do you use when using it ...?..I would like to try this !
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BeetleBug
Hero Member
Posts: 2836
Snabba grabben...
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #17 on:
October 19, 2010, 08:45:23 am »
Quote from: Kaferdog on October 19, 2010, 08:27:06 am
Loctite 515...!!!...When using this how much is too heavy...? I mean how much do you use when using it ...?..I would like to try this !
When you ruin your time consuming match port job you have used to much.
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10.41 - 100ci - 1641ccm - 400hp
K-Roc
Full Member
Posts: 194
Re: Manifold Gaskets- sucking and eating them- any advice?
«
Reply #18 on:
October 19, 2010, 16:30:25 pm »
Hi Guys I just wanted to mention that if you like the Loctite flange sealants, also add this primer to your tool box, it has copper solids mixed into a solvent that you apply to the surface before you add the flange sealant. It makes the loctite activate and cure much better thus allowing to fill larger gaps and irregularites, Definately worth looking in to.
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