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PWH42
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Group: Forum Members
Last Active: 8 Years Ago
Posts: 854,
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The tranny in my car is a 55 that only has about 40,000 original miles on it.It's never been apart.I put Dextron III in it about 15,000 miles ago.It performs flawlessly so far.Under full throttle 1-2 shift it'll bark the radials.
 
Paul, Boonville,MO
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rgrove
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Group: Forum Members
Last Active: 4 Years Ago
Posts: 498,
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Ted (1/5/2009)
For what it’s worth, I use Type F in my racing GM Powerglide transmissions. Type F has less slippage than the recommended Dexron fluid and works good in this application. On the other hand, my ’68 Cougar with its C6 was using Dexron fluid as per the recommendation of the tranny shop that rebuilt it. That worked also fine and the shifts were firm.
Input is needed from those of you who are using the FordOMatics with fluid other than Type F as to how long the fluid has been used and if any detriments to its use has been noted. Have about 15k miles on my fordo behind a warmed over 292. trans was rebuilt with the rest of the car, and been running on dextron per recommendations of trans & resto shops i talked to with zero problems (knock wood!)
Ron GroveWauconda, IL
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ALANB
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Group: Forum Members
Last Active: 15 Years Ago
Posts: 37,
Visits: 70
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Before I retired from our beloved trade ? ... Every transmission rebuilder in the country used type "F"" simply because it had a higher boiling TEMP !!! ..... ALAN B .
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56fairlanepost
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Group: Forum Members
Last Active: 12 Years Ago
Posts: 46,
Visits: 557
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In response to you request for more input,I did some work to my fordomatic back in march of 08 and replaced the torque convertor seals.at that time I did some research and it was recommended that I replaced the fluid with dextron III Been driving it ever since with no problems.I must admit that I was thinking of the c-4 converstion at that time ,but glad I stayed with the fordomatic.The car is way more fun to drive that way especially the torque you feel when pulling a hole shot.I mean this brings me back to the old days when it was actually fun to cruise.
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Ted
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Group: Administrators
Last Active: 3 hours ago
Posts: 7.4K,
Visits: 205.8K
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For what it’s worth, I use Type F in my racing GM Powerglide transmissions. Type F has less slippage than the recommended Dexron fluid and works good in this application. On the other hand, my ’68 Cougar with its C6 was using Dexron fluid as per the recommendation of the tranny shop that rebuilt it. That worked also fine and the shifts were firm. Input is needed from those of you who are using the FordOMatics with fluid other than Type F as to how long the fluid has been used and if any detriments to its use has been noted.
  Lorena, Texas (South of Waco)
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crenwelge
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Group: Forum Members
Last Active: Last Year
Posts: 512,
Visits: 1.7K
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I think type A is still available. I just quit selling it. http://www.lubline.com/download/automotive/pdf/SSATF_TypeA(Y).pdf
Kenneth
Fredricksburg, Texas
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paul2748
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Group: Forum Members
Last Active: Yesterday
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oldcarmark (1/3/2009)
Type "F" is the replacement for type"A'.My understanding is that the newer fliuds i.e Dextron etc were developed so that the transmission would shift smoother.In other words the fluid is "more slippery"(for want of a better description) making the shifts less noticeable when you are driving a gazzilion dollar new car.If you were to use "F" in a newer car the transmision would engage much more firmly.Just my 2-cents worth!I'm no expert and could be all wet, but I disagree that Type F is a Type A replacement. Due to changes in transmission materials over the years, Type F was introduced. The same goes for Mercron/Dexron and any other type they may use today. Apparently, Dexron III is similar to Type A based on the recommendations of the TBird guys.
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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oldcarmark
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Group: Forum Members
Last Active: Last Month
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That interesting that type "A" was still available until recently.I spent 10 years on the Ford parts counter and type "A" was not available to us because type "F" was the replacement.Thanks for the info
 
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Nat Santamaria
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Group: Forum Members
Last Active: 3 Years Ago
Posts: 165,
Visits: 4.8K
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Many thanks guys.
I was going to use the TYPE F anyways as it is working well. It was more the fear of the transmission slipping because of the fresh fluid.
I am glad I found this website. What a wealth of info.
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crenwelge
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Group: Forum Members
Last Active: Last Year
Posts: 512,
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The 56 Shop manual still calls for Type A. I think it was a year or so after that when type F came out and was recommended for about 20 model years. I have been selling lubricants all my life and sold a type A up until very recently. I would only recommend it it for old clunkers that leaked a quart every day or so. I have been selling Fina for the past 45 years and they recommend type F. http://www.finalube.com/Product_Data_Files/Fina_Branded_PDF_Files/ATF.pdf
Kenneth
Fredricksburg, Texas
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