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Old 01-25-2005, 04:09 AM   #1
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Default Sealing an Engine

What works well for sealing an engine for air leaks. I know RTV works, but is thier a better product? I have been looking at a couple different products but havn't tried them yet.
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Old 01-26-2005, 05:25 PM   #2
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Default Re: Sealing an Engine

Quote:
Originally posted by rcfoolz
What works well for sealing an engine for air leaks. I know RTV works, but is thier a better product? I have been looking at a couple different products but havn't tried them yet.
I have used the orange Permatex high temp, sensor safe RTV Silicone. Clean all of the surfaces, including O ring with acetone so that they are totally oil free. Put a tiny line of Silicone on all mating surfaces (one side only) with a tooth pick, and wipe off the excess after tightening down. Works great, but a bit difficult to remove.
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Old 01-26-2005, 08:49 PM   #3
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Thats what most people are doing from what I have been hearing. I'm working on something that will be easy and work well. I am in the final stages of testing and if it holds up, I will be releasing it soon. It is a liquid that forms an airtight "skin" around the carb and carb pinch bolt, and it can also be used in other areas as well. It will be easier to remove than RTV too. I am actualy trying to "cook" the material to find the point of failing.

If anybody would be interested in this please respond here on this posting.
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Old 01-26-2005, 10:03 PM   #4
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Quote:
Originally posted by rcfoolz
Thats what most people are doing from what I have been hearing. I'm working on something that will be easy and work well. I am in the final stages of testing and if it holds up, I will be releasing it soon. It is a liquid that forms an airtight "skin" around the carb and carb pinch bolt, and it can also be used in other areas as well. It will be easier to remove than RTV too. I am actualy trying to "cook" the material to find the point of failing.

If anybody would be interested in this please respond here on this posting.
I'm interested in any thing easier!
I should mention that I have also tested Hylomar HPF which is a great non-hardening poly-urethane gasket sealer for hydro-carbon fluids but our fuel degrades it.
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Old 01-26-2005, 10:40 PM   #5
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try airseal, it is easier to use and clean off. once it is dry and you want to remove it, just peel it off.
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Old 01-26-2005, 10:47 PM   #6
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OK then who makes "airseal" ?
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Old 01-27-2005, 12:10 AM   #7
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made by racers choice r/c products inc.
phone # on the bottle says 512-445-0363
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Old 01-27-2005, 08:24 PM   #8
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theres that BLACK stuff that KINDA LOOKS LIKE RTV...alot harder to break through though..
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Old 01-27-2005, 09:15 PM   #9
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The Airseal stuff mentioned is by far the best product I have used. It is easy to apply, does an excellent job and is easy to remove.
Highly recommended....
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Old 01-27-2005, 10:14 PM   #10
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The best stuff I have ever used is shoe goo. It dries to a flexible rubber and it seals great. when you need to remove it it just pulls off clean like your pulling on a rubberband.

It comes packaged under a few names
shoe goo
marine goo
etc
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Old 01-28-2005, 12:17 PM   #11
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Quote:
Originally posted by Motorman
The best stuff I have ever used is shoe goo. It dries to a flexible rubber and it seals great. when you need to remove it it just pulls off clean like your pulling on a rubberband.

It comes packaged under a few names
shoe goo
marine goo
etc
Sometimes I can't believe how I always do things the hard way; dumb, dumb, dumb!
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