Re: 1955 RDE-17 25 HP Johnson-mercury switch wire

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July 30, 2018 at 12:42 am #80351
olcah
Participant

    US Member

    Another slow but sure way – trace the 2" circle on the pan then just inside the circle drill a series of small diameter holes. with a cold chisel cut between the holes, then with a half round file, file to the edge of the circle. It is aluminum so filing should not difficult.