Torque drive vs. multi-vehicle ATF? - Subaru Forester Owners Forum
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post #1 of 8 (permalink) Old 11-27-2012, 12:59 PM Thread Starter
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Torque drive vs. multi-vehicle ATF?

Amsoil lists both on the website. But I'm not sure which would be "best" for by foz?

As I understand it, the torque drive meets Dex3 specifications, and the multi-vehicle ATF meets Dex6 specifications. But.... That doesn't bring me any closer to knowing which one to use
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post #2 of 8 (permalink) Old 11-27-2012, 01:27 PM
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Most Amsoil reps would recommend the Multi-ATF. Torque drive is meant mainly for trucks and other heavy equipment. Both will work just fine.

2005 Obsidian Black Pearl XT w/4eat
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post #3 of 8 (permalink) Old 11-27-2012, 09:26 PM Thread Starter
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Ok. How about filter? Even though the threading is the same, is the amsoil filter compatible with the transmission and it's needs or would I be better off going to Subaru for that?

And I just read that the 4eat likes a Dex3 spec oil, but the torque-drive is Dex3, while the multi-atf is dex6. And I read that putting dex6 in a transmission designed for dex3 would degrade the seals. So now I guess I am really not sure which to use??
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post #4 of 8 (permalink) Old 11-27-2012, 10:56 PM
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I would only ever use a genuine transmission filter, they have a valve inside them, not worth risking cheaper alternatives.
Regarding oil what does your handbook say?


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160bhp 4EAT Outback.....:raspberry:
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post #5 of 8 (permalink) Old 11-29-2012, 04:19 PM Thread Starter
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Says Dextron Type III fluid is recommended
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post #6 of 8 (permalink) Old 11-29-2012, 04:34 PM
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Dex 6 spec technically supercedes the Dex III spec. The main difference is that Dex III has a higher starting viscosity, but Dex 6 is more sheer stable. Both Amsoil products have similar viscosity properties however. I believe you are over thinking this. Neither one will cause a problem. Torque drive is an older product, but still popular in trucks and buses. From the technical specs, it appears to be a better fluid in general. The main difference is that it comes in large containers, and is made to be compatible with heavy machinery transmission fluids.

2005 Obsidian Black Pearl XT w/4eat
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post #7 of 8 (permalink) Old 11-29-2012, 04:54 PM Thread Starter
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So both should be compatible with it and there won't be a huge difference between the two? If so, I'll just get whatever's cheaper. But I don't want to risk saving a few bucks now to have to spend hundreds on the transmission later, if you know what I mean
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post #8 of 8 (permalink) Old 11-29-2012, 05:06 PM
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Like I said before, any Amsoil rep will recommend the multi-vehicle atf. A local shop around here stocks both. I know that many people have run both in Subarus without incident. In general, it is not advisable to switch to a synthetic atf on an old transmission that has not had frequent fluid changes. I think the torque drive may be more stout, and is just slightly less expensive. The multi-vehicle stuff actually says subaru atf in its list of compatible fluids.

2005 Obsidian Black Pearl XT w/4eat
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