Re: Any idea on what this knocking is 72 C20 350
Sorry yes it's a SM 465. Well I took the last two rocker arms off like you said earlier to compare them and they both look identical. No issues there. https://i.imgur.com/f7AEbHl.jpg
Not sure what else to really do. I guess the engine is gonna have to get pulled.
Last edited by Chilly178; 09-13-2017 at 06:22 PM.
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