Re: Model B crank in Model A
I think that the counterbalanced crankshaft was suppose to run smoother with less vibration.
The model B crankshaft has larger bearing journals .
Larger journals help make a stronger engine.
Model B crankshafts can have the main bearing journals reground to model A size .
Larger rod bearing journals allows for the use of model B rods .
The counterbalanced crankshaft will not cause the engine to run faster .
If anything a heavier crankshaft will reduce acceleration and throttle response.
If I used a model B crankshaft in a model A engine , I would prefer the unbalanced 1932 version .
I would get the larger rod bearing journals with the early B crank without the extra weight of the 33 and later counterbalanced B type cranks .
I've been told that the counterweights don't really take out the vibration
This would just be my choice and why , not a recommendation ...
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