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Old 02-21-2022, 06:49 PM   #3
rotorwrench
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Join Date: Jun 2010
Location: San Antonio, Texas
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Default Re: Mercury 312 flex plate

The Merc had the medium case MOM/FOM in 1956. The 56 T-bird may be same. This was a cross over year for air and liquid cooling change. The air cooled torque converter has a finned aluminum outer main case.
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