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Thread: Noticed an oil leak/pool at the base of the intake manifold Weber carbs??

  1. 09-22-2014, 12:07 PM #1
    Fubawu
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    Noticed an oil leak/pool at the base of the intake manifold Weber carbs??

    Well I have been trying to chase down an oil leak on my 911S for sometime.
    Only happens at high RPM's, given it is a race car it spends most of its life there.

    I could only see the after math of the leak after a 20 min session. I thought about putting a camera in to
    track it down but then it was suggested I dyno the car and watch for what I thought would be pin sized
    leak from one of the hoses. Turns out it is coming from under the engine shroud and pooling by cylinder 4.
    Looks like it is from the base of the manifold?? Is it possible to exit from the manifold? Anyone ever heard of this.
    Motor ran strong on the dyno putting out 220hp /204 tq at the wheels 3.2 with Weber 46's


    Cheers
    John
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  2. 09-22-2014, 04:48 PM #2
    edmayo
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    Consider the cam end plate seal.
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