Reply To: ’56 Lark rebuild: Unusual noise at piston/rod/crank preassembly

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January 4, 2026 at 4:45 pm #303014
Don
Participant

    US Member
    Floater wrote:

    I found it.  The center bearing had a piece of crude.  See the attached link if you’re interested.

    https://youtube.com/shorts/NCl0QYGJ19A?feature=share

     

    Thanks to all that posted.

    I hear that noise but fear that is not your main issue.  You are able to push those pistons down slightly which would seem to indicate some slop in the rod or wrist pin bearings…