Home › Forum › Ask A Member › 1957 Evinrude Big Twin-Frozen Flywheel-UPDATE › Re: 1957 Evinrude Big Twin-Frozen Flywheel-UPDATE
July 13, 2015 at 6:52 pm
#20075
A Super Quiet powerhead is easy to distinguish if you can look at the base of the powerhead. It’ll be more or less an oval footprint. Yours is a more geometric mishmash of rectangular and triangular shapes.