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Thread: Popping sound
          
   
   

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  1. #16
    TUBJUB's Avatar
    TUBJUB is offline CHR Member Visit my Photo Gallery
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    Nov 2005
    Location
    Issaquah
    Car Year, Make, Model: '77 Camaro, '00 Camaro SS
    Posts
    37

    yes the cam and springs match, we bought them at the sametime. I'm not opposed to readjusting the valves so we might check that

  2. #17
    TUBJUB's Avatar
    TUBJUB is offline CHR Member Visit my Photo Gallery
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    Nov 2005
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    Issaquah
    Car Year, Make, Model: '77 Camaro, '00 Camaro SS
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    37

    my mistake, they are 1/2 turn. The more i thought about it i remembered doing 2, 90 degree turns per valve

  3. #18
    81 cabellero's Avatar
    81 cabellero is offline CHR Member Visit my Photo Gallery
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    Oct 2005
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    delta, BC Canada
    Car Year, Make, Model: 81 gmc cabellero diablo
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    104

    was this ever resolved, I have read in other forums about comp cams core quality and how it relates to excellerated lobe wear. Any new updates to this problem, To me it sounds like a timing and carb issue, good place to start and check before ripping the motor apart. Another trick for testing the cam is mark a black line on the pushrod tops below the rocker, fire the motor up and have someone verify that the pushrods are turning, most cases if the lobe is gone the pushrod will not rotate.
    old habits die hard

  4. #19
    TUBJUB's Avatar
    TUBJUB is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: '77 Camaro, '00 Camaro SS
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    37

    we gave up. the cam hole was about 1/2 inch off center of the crank hole in the block. the carb was also bad and had shavings of the rod bearings running through the engine, not so good.

  5. #20
    Mikej's Avatar
    Mikej is offline CHR Member Visit my Photo Gallery
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    Aug 2004
    Location
    Portsmouth
    Car Year, Make, Model: 1935 Chevy Master Sport Coupe
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    98

    You might want to try going up jet size or two.
    If it's not broke, fix it anyway.

  6. #21
    Mikej's Avatar
    Mikej is offline CHR Member Visit my Photo Gallery
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    Portsmouth
    Car Year, Make, Model: 1935 Chevy Master Sport Coupe
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    Yep Didn't read the second page.
    If it's not broke, fix it anyway.

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