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Old 10-15-2020, 04:00 PM   #6
Daves55Sedan
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Join Date: May 2010
Location: Granite City, Illinois
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Default Re: Fordomatic late shifting ('57 thunderbird)

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Quote:
Originally Posted by dmsfrr View Post
for whatever it's worth...
When I asked the shop that rebuilt my Fordomatic what fluid to use they said, "Mercon".
Other folks here have said the fluid used makes a difference in the smoothness of the shifting.
.
I agree with dmsfrr. Type F is not a recommended replacement for type A (the original type fluid). I have also heard other folks complain about hard, abrupt shifting when using type F in Fordomatics. Dexron/Mercon fluid is the recommended fluid to use in Fordomatics.
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