 Paper Gaskets under weber IDFs, sealant or no? |
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| stugray |
 Jul 28 2016, 08:02 PM
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#1
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Advanced Member  Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None  |
I am putting my intake manifolds back on tonight after finding leaks using the "spray starting fluid on the manifolds" trick.
I have always used a thin coat of RTV Blue Silicone on the paper gaskets between the carbs & intake manifolds. Now I read that RTV is bad news on the intake and should not be used. So I did many searches (yes even on this site) and cannot find a definitive answer. Most say use the thick paper gaskets all by them selves, dry. Some say use some grease. I found a few on this site that said use a "thin coat of non-hardening sealant", but they didnt say exactly which brand. I have a couple of Curils, some permatex gasket maker (non-hardening), etc. Any ideas? I need something where you dont have to wait 24 hours as I dont have that kind of time. (loading for race tomorrow) Thanks for the help in advance. I'll go do the second manifold before putting the first carb back on. |
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| iankarr |
Jul 28 2016, 08:05 PM
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#2
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,471 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region 
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Assuming the paper gaskets are new, I say use them dry.
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| green914 |
Jul 28 2016, 08:31 PM
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#3
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Senior Member Group: Members Posts: 1,467 Joined: 29-March 11 From: Sacramento, California Member No.: 12,874 Region Association: Northern California |
QUOTE(cuddyk @ Jul 28 2016, 07:05 PM)  Assuming the paper gaskets are new, I say use them dry. (IMG:style_emoticons/default/agree.gif) I just replaced the carbs on mine recently, and used just the clean dry paper gaskets (IMG:style_emoticons/default/driving.gif) great. |
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| Mark Henry |
Jul 28 2016, 10:50 PM
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#4
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Wheel bearing grease, just rub it into the gasket, remove any excess.
Seals up nice and the bonus is it won't stick to the head, manifold or phenolic spacer and the gasket can often be reused. Been doing it this way over 25 years. (IMG:style_emoticons/default/wink.gif) |
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| colingreene |
Jul 28 2016, 11:17 PM
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#5
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Senior Member Group: Members Posts: 729 Joined: 17-October 13 From: Southern California Member No.: 16,526 Region Association: Southern California |
^ interesting.
ive always put them on dry though. re used mine a few times. most of the time they have glued themselves to the bottom of my carb so i leave them there. |
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