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Thread: intake

  1. #1

    Angry intake

    I have a 1986 gmc sierra classic 4x4 with 350. The engine is olny has 1000 miles. the problem is the intake it keeps blowing the intake gasket in the front and rear i have changed it three times already. i am going to check compression today.also I drilled and tapped the intake going right to pvc.anymore suggestion i would apperitate it. thanks alot big fish

  2. #2
    Sr. Apprentice BoneHead's Avatar
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    Sounds to me like your crankcase isn't vented properly. How are you venting it now?
    1998 K1500 Suburban
    1977 Chevelle Malibu

    "I'm proud to defend your right to be an idiot!" From a friend in the military.

  3. #3

    Default

    I am venting it throw vavle cover to carb&where i put oil in is vented.I just tapped the intake with fitting right to pvc have not tried it yet.aslo check compression someone told me it could be a bad ring everything was good all cyl. were around 150 lbs.

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