RTV as intake manifold gaskets?? O.K.?
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From: Ottawa Canada
RTV as intake manifold gaskets?? O.K.?
Just about to reinstall the manifolds - lower, upper and plenum. Is it okay to use RTV for the interfaces instead of buying the Mazda gaskets?
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Joined: Feb 2006
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From: North Carolina
I needed a fix asap after a coolant line busted and I removed the manifold. I have had RTV as the gasket for a few months and have had no adverse reactions. but next time im in there Ill order a paper gasket before hand.
I'm back Bishes
Joined: Jan 2006
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From: Rhode Island
Originally Posted by Digi7ech
Just a thought.
Checker or your local autostore shoudl sell gasket paper.
Just make sure to get the high temp stuff.
Checker or your local autostore shoudl sell gasket paper.
Just make sure to get the high temp stuff.
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HAILERS
Joined: May 2001
Posts: 20,563
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From: FORT WORTH, TEXAS,USA
I'd use some caution as mentioned above. I overhauled the engine of the dude around the block and when I pulled the upper intake manifold, eeeeek! Buggers hanging over the edge into the bores just waiting to fall off someday.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
Originally Posted by HAILERS
I'd use some caution as mentioned above. I overhauled the engine of the dude around the block and when I pulled the upper intake manifold, eeeeek! Buggers hanging over the edge into the bores just waiting to fall off someday.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
Good advice!
i was going to mention, i have seen some people go RTV crazy and that is not a good thing. a heavy string of RTV might just be enough to shatter a side seal upon entry into the engine.
Keep Right Except to Pass
Joined: Jan 2003
Posts: 984
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From: Seattle
I use Hylomar on both seating surfaces along with a gasket. It's even called "gasket dressing & flange sealant". No more gasket scraping for me either.
Originally Posted by HAILERS
I'd use some caution as mentioned above. I overhauled the engine of the dude around the block and when I pulled the upper intake manifold, eeeeek! Buggers hanging over the edge into the bores just waiting to fall off someday.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
That said, I use RTV all the time. Like the upper manifold gasket. Put a light smear of RTV on the top of the gasket where it mates with the bare metal of the upper intake manifold. Then put a light smear of vaseline on the metal mating surface of the upper manifold.
That way when you go to remove the upper someday in the future, the gasket won't stick to the upper manifold surface and tear. You can use that same gasket over and over and over and over if you do that with the RTV. The smear acts like a release agent to keep the gasket from sticking to the upper.
Last edited by HeffBoost; Jun 18, 2006 at 06:14 PM. Reason: clarification
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