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dmsfrr · 06-15-2021, 10:43 AM

Beautiful car!!!

The original Type A trans fluid was discontinued because of the whale oil in it. Replaced by what is now Dexron/Mercon.
Type F came around in the mid-60's for the 'newer' transmissions in Fords of that era and a bit later. Some folks use it in the older transmissions but the shifts may be too harsh and I'm not sure about the compatibility of it with older internal transmission parts.
The shop that rebuilt the Fordomatic for my '55 said to use the Mercon fluid.
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06-15-2021, 10:43 AM	#3
dmsfrr Senior Member Join Date: Aug 2012 Location: Abq, NM Posts: 3,607	Re: New baby 1953 Merc Beautiful car!!! The original Type A trans fluid was discontinued because of the whale oil in it. Replaced by what is now Dexron/Mercon. Type F came around in the mid-60's for the 'newer' transmissions in Fords of that era and a bit later. Some folks use it in the older transmissions but the shifts may be too harsh and I'm not sure about the compatibility of it with older internal transmission parts. The shop that rebuilt the Fordomatic for my '55 said to use the Mercon fluid. . Last edited by dmsfrr; 06-16-2021 at 12:07 AM.