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Daves55Sedan · 05-08-2020, 04:06 PM

If you'd take a couple of pics of the trans under the car, I can probably identify it IF it is a small, medium or heavy case Ford-O-Matic.
The medium case xmissions were used in Mercury's at least from '54 on up. The heavy case monster was used in Lincolns.
The transmission fluid pan is an easy tell-tale sign of whether it is a Ford-O or a Cruise-O.
NEVERTHELESS, These all have the same shifting order P-R-N-D-L.

05-08-2020, 04:06 PM	#4
Daves55Sedan Senior Member Join Date: May 2010 Location: Granite City, Illinois Posts: 3,008	Re: 54Merc Transmission Mystery If you'd take a couple of pics of the trans under the car, I can probably identify it IF it is a small, medium or heavy case Ford-O-Matic. The medium case xmissions were used in Mercury's at least from '54 on up. The heavy case monster was used in Lincolns. The transmission fluid pan is an easy tell-tale sign of whether it is a Ford-O or a Cruise-O. NEVERTHELESS, These all have the same shifting order P-R-N-D-L.