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Thread: Intake gasket

  1. #1
    Senior Member MASTER BUILDER
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    Intake gasket

    When a Intake gasket blows out ,does it suck in or blow out? I am talking more about the front or back. Thanks in advance

  2. #2
    Senior Member RACING JUNKIE mopar1968's Avatar
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    I have seen either direction :!: :!:










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  3. #3
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    A real violent backfire will blow them outward.
    Long decelerations with a tightly sealed cylinder can suck 'em inward.
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  4. #4
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    Quote Originally Posted by DrivingMissDD

    A real violent backfire will blow them outward.
    I saw on the net to take a punch and dot the two surfaces to help with that. Does that maks sense?

  5. #5
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    With proper crush and PARALLEL surfaces and a SKIM of sealer that is allowed to set before use, this should never happen. If the surfaces are NOT parallel, the gasket will have more tendency to squeeze out the 'big' end whether going outbound or inbound.
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  6. #6
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    Quote Originally Posted by DrivingMissDD
    With proper crush and PARALLEL surfaces and a SKIM of sealer that is allowed to set before use, this should never happen. If the surfaces are NOT parallel, the gasket will have more tendency to squeeze out the 'big' end whether going outbound or inbound.
    I did wipe the front smooth that should be ok?I did use RTV black and it was thick and smoosh down I just wiped the front . Oh yea it is going to sit for 3 week .

  7. #7
    Senior Member RACING JUNKIE
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    Quote Originally Posted by tmasitto
    Quote Originally Posted by DrivingMissDD
    With proper crush and PARALLEL surfaces and a SKIM of sealer that is allowed to set before use, this should never happen. If the surfaces are NOT parallel, the gasket will have more tendency to squeeze out the 'big' end whether going outbound or inbound.
    I did wipe the front smooth that should be ok?I did use RTV black and it was thick and smoosh down I just wiped the front . Oh yea it is going to sit for 3 week .
    i havent use the gaskets in years.... i just use the grey rtv and call it a day.... never had a leak/blowout since :wink:

  8. #8
    Senior Member DYNO OPERATOR
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    IT WOULD BLOW SOME OIL OUT,, NOT SUCK IN AIR,, BECAUSE OF THE INTERNAL PRESSURE,, pretty sure..

  9. #9
    Senior Member RACING JUNKIE mopar1968's Avatar
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    You are right ''bigray'' it would leak oil or at least everyone i have seen did :!: :!:








    Mark
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  10. #10
    Junior Member APPRENTICE
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    If you are running a vacuum pump, it will suck in. If not, the crankcase pressure will cause it to push oill out. The only thing I use on the ends to seal the intake after make sure it and the block are clean of any oil/water is Right Stuff from peratex.


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