Best Tranny Fluid - Subaru WRX Forum
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post #1 of 58 Old 02-01-2006, 07:50 PM Thread Starter
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Best Tranny Fluid

i am thinking about replacing my clutch because it doesn't have the BITE that it use to, i know that i have to drain the fluid out of the Tranny but i was wondering what kind to put back in? the car has about 30,000 miles on it and i want a good tough fluid that would help make shifting smoother and also something that would protect it the best it can.
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post #2 of 58 Old 02-01-2006, 08:02 PM
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i use redline tranny fluid. love it. mt90 with a quart of shock proof.

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post #3 of 58 Old 02-01-2006, 08:08 PM
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Quote:
Originally Posted by imbeterthanu
i use redline tranny fluid. love it. mt90 with a quart of shock proof.

+1 good stuff

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post #4 of 58 Old 02-01-2006, 08:57 PM
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I do the 3 quarts of MT90 and 1 quart of Super Lightweight Shockproof. Same.. only with the super lightweight.

Jon
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post #5 of 58 Old 02-01-2006, 10:20 PM
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I have heard of lots of people running the Redline MT90 with good success as stated above.
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post #6 of 58 Old 02-02-2006, 09:43 AM
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... to help give some variety, I know a WRX guy that used Mobil 1 tranny fluid.

Jon
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post #7 of 58 Old 02-02-2006, 02:29 PM
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I'm probably going to change out my gear oil next weekend, I'm going to do the rear diff as well. 1 quart MT90 should be fine for rear, right?
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post #8 of 58 Old 02-02-2006, 04:08 PM
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valvoline 75w-90 high performance gear oil (non-synthetic)
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post #9 of 58 Old 02-02-2006, 06:42 PM
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Quote:
Originally Posted by Vew
I do the 3 quarts of MT90 and 1 quart of Super Lightweight Shockproof. Same.. only with the super lightweight.
+1 The super light weight is better for our cars.
Use Redline 75w90 for the rear diff
Here this should help also http://www.cobbtuning.com/tech/gearoil/index.html
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post #10 of 58 Old 02-02-2006, 08:00 PM
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Quote:
Originally Posted by bradley03
I'm probably going to change out my gear oil next weekend, I'm going to do the rear diff as well. 1 quart MT90 should be fine for rear, right?
You're supposed to use a specific weight... I don't remember what it is, but it wasn't MT90. In the manual maybe? I know it was posted on scoobymods.com, nasioc.com, and here at one point in time.

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post #11 of 58 Old 02-02-2006, 08:18 PM Thread Starter
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thanks guy, i took a look at the link and it helped me a lot. I'm going to look into it a little bit more, check out prices and all to see whats good.
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post #12 of 58 Old 02-02-2006, 08:40 PM
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75W90 for the rear diff it is.
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post #13 of 58 Old 02-02-2006, 09:32 PM
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i know its been said. but ill add. redline.
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post #14 of 58 Old 02-02-2006, 10:00 PM
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75-90 for the rear diff as well. here

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post #15 of 58 Old 03-13-2006, 08:13 PM
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Any one know of any good places to get MT90?

I've read in quite a few places that the Mobil 1 is bad for the transmission it causes problems with the syncros...

Another note you are supposed to use 75W90 fluids and the MT90 is indeed 75W90

Stephen
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