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  1. C

    727 Fluid Type

    I don't recall where I read that, but I am certain that i did not dream it. What is the point of using ATF+4 in a transmission not designed to use it? While I realize that many people open their wallet and gladly empty it whenever someone uses the word "synthetic", ATF-4 is half again more...
  2. C

    727 Fluid Type

    ATF 3 or ATF 4 is hell on the seals and is not recommended. Stick with Dexron III.
  3. C

    3.23 or 3.55?

    "Some argue "but 4.10s were street gears way back when"...sure, but highway speeds are MUCH higher these days...I cruise at 75-80 mph just to keep up with traffic around some days, and I don't want the motor screamin to do it...racing is not nearly as important as drivability for me." Got to...
  4. C

    Common Tranny Leak Spots?

    You want something Dexron III, which is now part of the Dexron/Mercon spec. Check the bottle. Don't use ATF4 in anything that doesn't specifically call for it. It will attack your seals.
  5. C

    Bad transmission problems

    Amen on the cooler lines. Been there done that. It's a lot cleaner job with pre-bent lines. If the seal is gone, you might just as well replace the bearing behind it, too.
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