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Vibration update

October 11 2017 at 4:49 AM
John  (Login johncougaruk)

I've had some really good news from my latest (third) engine builder. History is that I had a bad vibration from my 428.

As I suspected (or at least one of my suspicions) the engine, when originally built 15+ years ago, had been internally balanced and I bolted a weighted 428 flex plate to it unaware of the internal balancing.

The bad news is that there was a lot of shrapnel from the wiped lobes still in the engine despite it been stripped down for the new cam by the last builder. All I plan to do is to take of the weights the from the flex plate and re install.



 Respond to this message   

  • More to it - Pete on Oct 11, 2017, 8:50 AM
    • weights - Tom P on Oct 11, 2017, 9:39 AM
  • re-build - John on Oct 12, 2017, 4:28 AM