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17 psi with s3, is it too much?

Discussion in 'A3/S3 Forum (8L Chassis)' started by s3withproblems, Nov 23, 2004.

  1. s3withproblems
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    s3withproblems New Member

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    Some said that over 15 psi is dangerous for an s3, that much pressure breaks the pistons. After chipping mine boosts 17 psi, Am I in danger ? (it doesnt go to limp mode)
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  2. RichA3Turbo
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    RichA3Turbo ...Watching you! Staff Member Moderator

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    [ QUOTE ]
    Can said:
    Some said that over 15 psi is dangerous for an s3, that much pressure breaks the pistons. After chipping mine boosts 17 psi, Am I in danger ? (it doesnt go to limp mode)

    [/ QUOTE ]

    17psi is about 1.2 bar... THis aint going to break anything! S3 can handle about 1.7/1.8 reasonably safely althogh i wouldnt want to for any period of time

    Rich
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  3. s3withproblems
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    s3withproblems New Member

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    Why wouldnt you want to , isnt more boost more hp ?
    Also the same one said that even subaru breaks pistons over 15 psi , more comments ?
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  4. dickys3
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    dickys3 Moderator Staff Member Moderator

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    [ QUOTE ]
    Can said:
    Why wouldnt you want to , isnt more boost more hp ?
    Also the same one said that even subaru breaks pistons over 15 psi , more comments ?

    [/ QUOTE ]

    you may get more power but the turbo will be stressed and it will only be a matter of time before it goes.
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  5. S3JUS
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    S3JUS New Member

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    the standard revo map runs 17psi which is (low boost 9)

    i have this setting on mine and does not seem to be stressing too much.

    #5
  6. NWMark
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    NWMark Member

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    my revo map (98 ron using sps2) boosts to 1.45 bar then slowly drops to around 1.05 bar at 6400rpm

    i believe 1.45 bar is about 19psi.

    Mark
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  7. StevieBogan
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    StevieBogan Member

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    Up, this is the same as mine Mark.

    Can, the Jap stuff does tend to run less boost the the VAG engined cars for some reason.
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  8. RichA3Turbo
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    RichA3Turbo ...Watching you! Staff Member Moderator

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    [ QUOTE ]
    Can said:
    Why wouldnt you want to , isnt more boost more hp ?

    [/ QUOTE ]

    No... More boost is more torque, not HP. You can increase the boost and make a big difference in torque while barely changing the HP figure.

    Rich
    #8

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