1. j par

    j par Well-hung Member

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    Won't they run on like 30 weight motor oil? I just go to Walmart and buy one gallon jugs of the dextron 3...
    The one time I was slumming around and using a automatic in my duster that is..:poke:
     
  2. RustyRatRod

    RustyRatRod Bla de blizhibliz de blatde blizi bla bla FABO Gold Member

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    Yes, they will.
     
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    • fishmens67

      fishmens67 Well-Known Member

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      727 ? I use Valvoline type f and a quart of 10/30 with 4200 stall.
      I was told be a retired trans builder/ racer to just add a quart 10/30 with type f and forget all the bullshit. his exact words. I never toasted a 727 in any of my cars and trucks in 35 years.
       
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      • oldkimmer

        oldkimmer FABO Gold Member FABO Gold Member

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        And they never will. Sometimes I don’t know why we even bother. Kim
         
      • 70DusterBob

        70DusterBob Well-Known Member

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        Listening is one thing, "DOING" is another, lol
         
      • oldkimmer

        oldkimmer FABO Gold Member FABO Gold Member

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        So true. Kim
         
      • 70DusterBob

        70DusterBob Well-Known Member

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        Exactly. BTW The Duster is running good. I need to change the acc nozzles, and adjust the kickdown linkage, but other than that, she's running pretty good!
         
      • 1969383S

        1969383S FABO Gold Member FABO Gold Member

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        Pretty much sums it up for me. Only thing I have used and will continue to use in my 727’s. Mopar new it as well.

        Better friction and quicker shifts equals less heat. This does not equate to wear but longevity!

        7C59E23A-6530-4865-AF68-B482F71E516C.jpeg
         
        Last edited: Feb 8, 2019
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        • 1969383S

          1969383S FABO Gold Member FABO Gold Member

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          Rest assure Mopar was not trying to steal FORD service work!

          You want nice mush continue to use dextron, want firm use “F”.
           
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          • BrianT

            BrianT Let's go!

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            We have a member here who wrote a book on the 727 and is pretty knowledgable on it. He recently rebuilt my transmission using all the good parts that he had stashed around his basement. When I eagerly asked him what fluid I should run, he told me to go get a case of the cheapest Dexron III that Wally World has. This is for a street car that we beat on pretty hard. When I questioned him about buying some fancy expensive fluid, he simply said it wasn't needed.
             
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            • j par

              j par Well-hung Member

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              That's exactly what I did after hearing the stories of how some big city fleet called for 30 weight in the motor and 30 weight in the transmission to make it easy! I'm surprised that story hasn't surfaced in this thread...
               
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