505 GTI ZDJL Cam profiles..
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  1. #1
    Member
    Join Date
    Dec 2004
    Location
    England
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    33

    Default 505 GTI ZDJL Cam profiles..

    Hi

    Does anyone have the data on the cam profiles (lift, duration etc..) for both the unleaded and leaded 505 GTI engines?

    Cheers

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    David

  2. #2
    Fellow Frogger!
    Join Date
    Feb 2002
    Location
    Tamworth NSW
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    496

    Icon7

    Good question!

    I do agree that the leaded engine has a different cam profile, which, amongst some other differences, enables this engine to produce more HP than the unleaded engine.

    I will research & advise of any information.

    Cheers,
    Kim.

  3. #3
    Fellow Frogger! sapito's Avatar
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    Apr 2004
    Location
    Melbourne
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    128

    Default

    I found out today the later j7t engines have the alloy rocker arm followers and some models have longer camshaft contact points which allow bigger cam angles.
    However the best cam is supposed to be a 260/270 degree one as it allows this engine to idle properly without stalling as do larger cam choices.

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