.200 Blower to Intake O-Ring ?

Discussion in 'PSI Superchargers Tech Questions' started by Bennett, Sep 23, 2009.

  1. Bennett

    Bennett New Member

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    Where can a guy find the o-ring material for a .200 cut in the intake between the blower and intake?

    I checked Wizard and they offer a .125 ..


    THanks guys
     
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  2. wildman

    wildman Member

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  3. tc1216

    tc1216 Member

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    You did`nt specify if .200 is the depth or width of the groove. Anyway, the general rule for oring groove dimensions are; The width of the groove should be 1-1/2 times the diameter of the oring, and the depth of the groove should give 20% squeeze to the oring. If your groove is .200 wide, then it should be .111-.113 deep, which means you would use a 1/8" oring, which is actually
    .139 in diameter. A company called Mc Master-Carr has oring stock in inch and metric sizes. If your groove is not cut correctly, you can probably find something that will work based on the general rule. They also have the Loctite#404 that works great for joining the ends together. The web site is WWW.mcmaster.com. Hope this helps, Tom. P.S., Just get the standard Buna-N material, it works just fine for that application.
     
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  4. GregM784

    GregM784 Member

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    Thanks Tom for the info. I plan on having my intake cut for an oring, so this helps!
     
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  5. SoDak

    SoDak Active Member

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    There is also Ø.120" o-ring material.

    We use an Ø.125" end mill and go about .118" deep. We've done this for long time. Including recently.
     
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  6. Bennett

    Bennett New Member

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    THanks Guys !!! THis web site is awesome!
     
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