Sealing the heads.

Discussion in 'PSI Superchargers Tech Questions' started by MKR-588, Jul 7, 2020.

  1. MKR-588

    MKR-588 Member

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    Instead of O rings in the head and reciever grooves in the block, has any one used the brass fire rings with the copper gasket there just to seal water or take up the gap if running dry? Sports compact stuff use them almost exclusive and making big boost numbers.
     
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  2. TOL

    TOL Active Member

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    Not quite sure what you are asking here?............
     
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  3. dcovey

    dcovey New Member

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    If you are talking about the SCE gaskets, I ran those once on a hemi block that had a oring groove with wedge water heads. I didn't have a blower but they sealed well.

    Dave
     
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  4. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    What is used now is called a 'fire hoop' and it's what the top fuel teams use. If something was better, I'm sure AJ would be using it in TF by now, or at least it may have been tried.
     
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  5. Templar Motorsports

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    What is a "fire hoop"?
     
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  6. nitrowannabe

    nitrowannabe Member

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    Stainless hoop in the heads??
     
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  7. Templar Motorsports

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    Is the stainless ring in the block or heads?
    What is the brand of head gasket that Will Hanna is talking about?
     
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  8. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    Fire hoop is typically a one piece, basically bigger version of the traditional "o-ring." In the blown alcohol and nitro world, it's pretty much still referred to as the o-ring, but in Chevy, Ford, LS, etc., heads, if you want the same o-ring we run now it's called a fire hoop. Bigger wire, bigger groove, more sealing.
     
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