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Thread: gaskets and silicone
          
   
   

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  1. 10-30-2007 09:07 AM #1
    bulldogcountry1's Avatar
    bulldogcountry1
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    gaskets and silicone

     



    what's the best way to seal up water pumps, thermostats housings and such? is it still necessary to use those paper gaskets plus silicone or just silicone? is there some type of gasket-maker that is better?
    Andy

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  2. 10-30-2007 10:50 AM #2
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    Quote Originally Posted by bulldogcountry1
    what's the best way to seal up water pumps, thermostats housings and such? is it still necessary to use those paper gaskets plus silicone or just silicone? is there some type of gasket-maker that is better?
    I like to use the paper gaskets with copper rtv on both sides of the paper.
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  3. 10-30-2007 12:42 PM #3
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    I get razzed everytime I post this info ,but I use aviation gaskett shelac on stuff like that.It seals pretty good,only downside is old gaskett removal.
    Its gunna take longer than u thought and its gunna cost more too(plan ahead!)
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  4. 10-30-2007 03:28 PM #4
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    i find that if i use red gasket sealent and 2 paper gaskets on my 350 thermostat that it will not leak.
    BARB

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  5. 10-30-2007 03:37 PM #5
    Cape Cod Bob
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    have always used paper gasket with Indian Head cement
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  6. 10-30-2007 08:26 PM #6
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    Quote Originally Posted by Cape Cod Bob
    have always used paper gasket with Indian Head cement
    Thats close to aviation gaskett shelac...
    Its gunna take longer than u thought and its gunna cost more too(plan ahead!)
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  7. 10-30-2007 05:53 PM #7
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    me, clean surface good, paper gasket w/ no sealer. leak free every time
    You don't know what you've got til it's gone

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  8. 10-30-2007 09:48 PM #8
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    yes i use RTV on the china walls on the intake to or were poor fit up is encountered .if the gaskets has O rings on it i like to put some slip on it like on the intake i will use some white grease or permatex non drying
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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  9. 10-31-2007 05:29 AM #9
    IC2
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    On my Ford thermostat housing gaskets, I just use plain ordinary good contact cement to hold the gasket on which in turn holds the thermostat in place, in the housing (remember that pot metal housing that you broke at 9:05 on a Friday night? And your girlfriend was waiting for you to pick her up at 10:00 after work at the grocery store. And you didn't make it? ). I have yet to have one leak. Any other gaskets that require a sealer - I'll use the manufacturers recommendations.
    Dave W
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  10. 11-02-2007 07:42 AM #10
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    Depends on the gasket. Valve covers, High Tack to glue the gasket to the cover, thin coat of silicone on the head side. Intakes get a bead of hylomar around the intake ports, thin coat of silicone around the water jackets (Both sides). Water outlet gets a Victor tuff-cork gasket with a thin coat of silicone on both sides. Header gaskets...Victor Nitro-seal gaskets wiht a bead of ultra copper around both sides of the port.

    just my .02
    just 'cause you ain't paranoid doesn't mena they aren't out to get ya
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  11. 11-02-2007 09:26 AM #11
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    Copper Coat spray for head gaskets. Permatex #2 everywhere else. Every time I have tried RTV I ended up with a leak somewhere.
    Jim

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