Thread: Engine "Knock"

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  1. #1 Re: Engine "Knock" 
    SlowNA06
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    Default 12-19-2011
    Quote Originally Posted by Hippo Machine View Post
    It is common on these, especially when cold. I noticed the knock is bit louder with the 5w-30 when cold than the 10w-30.
    Knocking sounds are not good sounds.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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  2. #2 Re: Engine "Knock" 
    fju2
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    Default 12-19-2011
    Sounds like a spun rod bearing.
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