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Pistons Valve relief...

Discussion in 'A3/S3 Forum (8L Chassis)' started by v5 tt, Feb 9, 2013.

  1. v5 tt
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    v5 tt Member

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    [Feb 9, 2013]
    Just bought some pistons for my build i went for 83mm stroker pistons
    9,5,1 compression for my k04 hybrid stroker build check these out

    these are CP Made by carrillo some mighty valve reliefs on them !
    i wont be using high lift cams though maybe in the future

    come with some nice features i like the idea of the double pin oilers
    Piston Tech

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    #1
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  3. slowcoach3
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    slowcoach3 Active Member

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    [Feb 9, 2013]
    sexy
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  4. Andrew@A.L.D
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    Andrew@A.L.D May add NOS to 600+bhp?

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    [Feb 9, 2013]
    CP piston are very good, Used a lot with the Mk1 Focus RS boys to get over 500+ bhp
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  5. v5 tt
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    v5 tt Member

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    [Feb 9, 2013]
    Yeah i really quite impressed with these i must admit i have not seen many used on the vag scene
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  6. badger5
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    badger5 www.badger5.co.uk Site Sponsor

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    [Feb 10, 2013]
    how muh are they?
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  7. v5 tt
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    v5 tt Member

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    [Feb 10, 2013]
    Managed to get them for a very good price I paid $520 + $60 shipping
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  8. badger5
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    badger5 www.badger5.co.uk Site Sponsor

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    [Feb 10, 2013]
    seems like a hell of a pocket on inlet and relative to the other 2 inlet valves where there is no provision...?
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  9. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Feb 10, 2013]
    Got a side on pic to see how close the valve pocket is to the top ring groove?

    <tuffty/>
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  10. v5 tt
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    v5 tt Member

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    [Feb 10, 2013]
    yeah your right don't quote me on this but i "think" the guy from pagparts had some influence on the design
    of these just what i caught from the U.S sites but maybe wrong ...

    tuffty i,ll just up load a few more pics in a moment cheers
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  11. v5 tt
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    v5 tt Member

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    [Feb 10, 2013]
    Right here is some more pics ....

    I was going for some Mahle Powerpak pistons but i haggled a good price for these
    and there seem to be highly rated by some people for my use the valve relief
    is pretty excessive but for any future projects maybe of of some use to
    accommodate oversize valves with high lift cams inlet side....

    As you can see there doesn't seem to be allot of meat between the valve
    relief and the top ring groove

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    #10
  12. v5 tt
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    v5 tt Member

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    [Feb 10, 2013]
    #11

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