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1976 c-10

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Old February 9th, 2017, 3:43 PM
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Alright, so I have a 1976 C-10 and I am having an issue. I have noticed a load ticking sound coming form the passenger side valve cover. I have adjusted the rocker arms and the noise persists. I am not sure what it is. Under load the noise is constant and I can hear it over the exhaust. I cannot hear the noise when at ide until I rev the motor. I am not sure what it could be and I am hoping someone can help.
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Old February 9th, 2017, 4:25 PM
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Sounds like a collapsed lifter. these are hydraulic?
Last edited by kevinkpk; February 9th, 2017 at 4:28 PM. Reason: spelling
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Old February 9th, 2017, 4:31 PM
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as far as I understand (I didn't rebuild the motor) they are flat tappet lifters
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Old February 9th, 2017, 4:49 PM
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they very well could be I wish I knew more the rockers aren't roller rockers so I was assuming the weren't hydraulic.
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