Re: BIG old Johnson twin 20’s-30’s

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September 17, 2017 at 8:42 pm #65053
ADAM GIBB
Participant

    Canada Member

    This might be a mix of parts. The gear foot looks like P-35 or later, buy the exhaust manifolds are P-30. The P-30 had smooth "runners" from the port to the round part of the casting. The P-35 got cooling fins. The prop looks big to me…bigger than a K. Could be a P-40 with older manifolds.