If the bolt pattern and dowel pin spacing on your 39 flywheel are the same as the 235 flange, the flywheel will bolt on, but you'll also need to use a 6 volt starter. The flywheel for the 39 engine will have 139 teeth. A 1958 flywheel has 168 teeth and must be used with a 12V starter.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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