[Mgs] MG flywheel. Is there balance in our MG flywheels?

Paul Hunt paul.hunt1 at blueyonder.co.uk
Mon Jun 21 02:46:34 MDT 2010


It's good practice to reassemble things as they came apart to avoid the risk 
of introducing problems.  But if a flywheel (or crank) is balanced 
separately, with neutral balance as they should be, they can be fitted 
anyhow, and you wouldn't expect there to be any marks as what would they 
mark?  Same with prop-shafts, the manuals make great play of marking the 
flanges so they can be refitted in the same orientation, but as the shaft is 
balanced off car it should be capable of being fitted to the flanges in any 
orientation without any ill effects.  However if *dismantling* a propshaft, 
you must mark all four pieces to ensure correct reassembly as otherwise you 
could well upset the balance, as well as getting yokes in the correct 
relationship.  Ironically the manuals only mention the yoke orientation, but 
there are still two ways of doing that for each pair, as well as the sliding 
joint.

PaulH.

----- Original Message ----- 
> Is there balance in our MG flywheels? Years ago I had the engine to my MGA 
> balanced, with the flywheel turned and a different ring gear installed.
...
> I could find no markings on this flywheel for instalation either.


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