PINTO CAR CLUB of AMERICA
Welcome to FordPinto.com, The home of the PCCA => General Help- Ask the Experts... => Topic started by: rob289c on October 31, 2023, 01:15:09 PM
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I know the older C-4's use Type F, but at some point in the late 70's Ford started using Dex II. The 1980 Owner's Manual recommends Dex II. I am told Type F would provide crisper shifts. I think Dex II is now Dex 6 and supposedly backward compatible. I have both Type F and Dex-Merc in stock. I think Dex-Merc is closest to what the owner's manual suggests. See attached.
What are you all using in your C-4's, specifically if you have a 1980 version? What is the scuttlebutt on pros and cons of both fluids? I have no history on this tranny, in fact I don't know if it has been rebuilt at some point in the past, or if it even works.
What would you do if it was yours? Last year I drained the old fluid, cleaned the pan, and installed a new filter. By next year I plan to run and hopefully drive it so I want to be prepared with and use the correct fluid.
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79 AND EARLIER C4s USE TYPE F, IN 1980 THEY WENT TO DEXRON .WHICH I RUN IN MY 80 MODEL.DEXRON III AND DEXRON-MERCON ARE THE SAME.
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Thank you for that answer. I will use up the Dex/Merc I have in stock. I think the only other think I have that uses it is the transfer case in my '03 Ranger.