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Current Thinking MN6 ATF Change

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Old Feb 14, 2024 | 10:36 AM
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Default Current Thinking MN6 ATF Change

At 60,000 miles and 20 years...

I’m contemplating a First Change of of what is likely the factory DexIII fill on the MN6 in a 2004


So, ...with Millions of Miles of “Consensus”

What is the current thinking ??

Track guys that have Experience ?



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Old Feb 14, 2024 | 02:11 PM
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Amsoil Torque-Drive. 👍
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Old Feb 14, 2024 | 04:25 PM
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Do not put synthetic oil in it. It’s a well documented fact
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Old Feb 14, 2024 | 04:54 PM
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I have a '99 with 176,000 miles on it. I'm also interested in recommendations. I've searched this many times, but come across threads with many arguments for an against synthetics, arguments over brands, etc. My shifter is real notchy, especially cold. Being mine is a '99, I know about paper filters...

So far the recommendations I have is Amsoil Torque Drive, Redline D4, and of course the Delco stuff.

I'm leaning towards the Redline D4 because I can freshen the tranny, and my Power Steering all with one fluid.

Open to hearing the rest of the discussion.
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Old Feb 14, 2024 | 07:03 PM
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Originally Posted by captain vette
Do not put synthetic oil in it. It’s a well documented fact
Please post some of your documentation.
I think you're referring to a supposed issue with paper blocking rings but the OP's 04 doesn't have those even if the rumors were substantiated.
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