Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

What do you guys recomend for trans fluid?

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Old 07-08-2010, 01:34 PM
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Default What do you guys recomend for trans fluid?

Last time I swapped the trans I just went with the stock GM fluid.

Just wondering what others are using.

Thanks.
Old 07-08-2010, 01:57 PM
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Need more info on your car.
Old 07-08-2010, 02:02 PM
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https://ls1tech.com/forums/manual-tr...eed-trans.html
Here is a link to a discussion here on Tech about fluid preferences for 6 speeds.
--Glenn
Old 07-08-2010, 02:04 PM
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Everything Fluid
Old 07-08-2010, 02:22 PM
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DD told me to run mobil one synthetic ATF in mine from day one , so i am and it works great, took a littel while to break it in but now its smooth as butter and thats with a pro 5.0 shifter that every one says shifts hard.
Old 07-08-2010, 03:54 PM
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Originally Posted by 85MikeTPI
lol that fk up.

I use oreilly dex 3 fluid, it been 2 day, and im happy with it. Since it so cheap and easy to change ( when I say easy, cause I use the pump ), I can change it out every oil change or so.
Old 07-08-2010, 03:58 PM
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I used NAPA ATF dexron 3 stuff. 2$ a quart I think.
Old 07-08-2010, 04:26 PM
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Originally Posted by XtremeDime
I used NAPA ATF dexron 3 stuff. 2$ a quart I think.
Napa stuff is made my valvoline, and its good stuff
Old 07-08-2010, 05:21 PM
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Default Trans Fluid

I've used ATF in my T56's and no problems. Next I'll try the synthetic stuff and see if there's any difference.
Old 07-08-2010, 08:51 PM
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LOL @ that Google link! That's freaking awesome! I am so sick of reading about transmission fluid threads for the T56. I found that if 10 people are asked what's the best fluid to use, you will get 15 different answers. Nobody really knows....not even GM it seems. I'm staying with the cheap, non-synthetic Dex III, thanks.

Originally Posted by 85MikeTPI
Old 07-09-2010, 08:09 AM
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I use Human Blood.
Old 03-29-2011, 02:45 PM
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Originally Posted by 85MikeTPI
Freaking awesome.



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