Home › Forum › Ask A Member › OMC Test Wheel Part number list › Re: OMC Test Wheel Part number list
Here’s the P/N’s for the test wheels and the RPM’s the motor should be run at.
P/N 277278 ’49 – ’57 QD @ 4050 RPM and also ’56 FD @ 4500 RPM
P/N 377455 ’58 – ’63 QD @ 4050 RPM
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