http://www.boatracingfacts.com/forum...e-Wizard-of-OZ
OZ stood for OUTBOARD "Z" as in th end of the alphabet. Jimbo McConnell probably "Logged in" three hundred hours of testing at over 100 MPH.
Jimbo McConnell was the greatest Outboard driver of his era. The name "JIMBO" was bigger than any Mercury Factory driver's name.
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