Reply to "(Resolved, seemingly) Upgrading Two SD70MAC's for Double Heading"

CharlyOGR Forum Member

Originally Posted by Riverrailfan:

I would Mark the flywheel and wheel on that front motor and see how many turns the motor turns to turn the wheel one turn. You would want the front and rear to be the same gear ratio. The Engine that spins 9+ compared to the one that is 10+ is going to be faster even if it had a 27mm flywheel with the same tach tape as the other engine.

Yup, yup, yup

7/4/153:24 PM

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