M6 trans fluid

Discussion in 'Dodge Challenger General Maintenance' started by sharky, Oct 5, 2020.

  1. sharky

    sharky Member

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    Anyone using Mobil 1 Syn. ATF in the M6?
    Was thinking to used RP but have heard some bad things lately.
     
  2. 70-426_10-SRT

    70-426_10-SRT B&E body lover

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    I will not use Mobil-1 in anything for personal reasons,
    but was planning The Purple Stuff for my 2nd change.
    The 1st at 25k I used Mopar +++4 as I was having 2nd-3rd issues at the track.

    What BAD things?
    Internet Rumors or actual experience?
     
  3. 2017 Redline HC

    2017 Redline HC 2017 Redline HC

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    I used the RP in my 2010 RT M6 with no issues. I changed my diff fluid at the same time using the RP products.
    After the change I did sense a subtle shift change. Seemed to smooth out a bit of the notchy feel that I would sometimes experience
     
  4. sharky

    sharky Member

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    using it in a 2001 Ram 2500 Cummings TD HO NV-5600 6spd (stock TD) (set up with a 5th wheel flat bed hauling 2 cars) it came apart around 15K (this was the 3RD new unit on this truck within 75K) The shop we got it from stated that the RP caused the failure & RP would not get involved, they stated use at your own risk. Also my dad on his 2005 Vulcan 1600 had the shaft seals replaced and the shop used RP to refill the shaft & diff. it ate the seals within 125 miles.
     
  5. 70-426_10-SRT

    70-426_10-SRT B&E body lover

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    It has always bothered me putting ATF in a Manual Trans.
    I have NEVER changed the fluid in my 2000 Ram 2500 V10 5-speed and still going strong at 160K+ miles. Doing it every 25K miles in the Challenger seems silly, but I did noticed a difference after changing.

    Guess I would be contacting:
    https://www.royalpurple.com/product/max-atf-automatic-transmission-fluid/
    I don't see "use at your own risk" on there site.

    Royal Purple® Max ATF® is a synthetic, high performance, automatic transmission fluid. Its high film strength helps to dramatically reduce heat and wear. Automatic transmissions generate a great deal of heat and depend on the transmission fluid for cooling and protection. More than 90 percent of all automatic transmission failures are caused by overheating. A 20 ̊F reduction in fluid temperature can double the life of the transmission (Source: Perma Industries Inc.). Max ATF significantly reduces heat to extend the life of your transmission. Max ATF is fully compatible and can be mixed with other automatic transmission fluids. However, for the best results drain or flush the current oil and then fill with Max ATF. Max ATF is recommended in vehicles requiring any of these automatic transmission fluids:
    • Chrysler ATF+, ATF+2, ATF+3, ATF+4

    Something sounds off
     
  6. sharky

    sharky Member

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    i also don't like ATF in MT's
    Lucas has Syn 50 wt ATF for use in heavy duty truck transmissions but have not seen of it would work for our TR-6060's. I did talk with a Camaro owner that uses the Mobil-1 Syn ATF and likes it. I still have the old school habits, just want a good trans oil that can take some hard driving and that i wont have to change every 10k.
     
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