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what happens if you install the wrong flywheel? internal /external balance engine?

stang32

Regular Contributor
i am trying to locate the correct flywheel for my boat but i dont know if my engine is externally or internally balanced
97 4.3 gm engine, 1 piece rear main seal in volvo penta set up
 
While I would not normally suggest Automotive people for Marine topics...... this is one question best suited for a very well experienced Automotive engine builder and/or Machinist expert!

In answer to your question...... if the engine in question requires a certain flywheel in order to externally balance the rotating assembly, and if that flywheel is not used, you will realize a vibration.


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