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STIs: What kind of gear oil do you run in your tranny?

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Old 05-13-2009, 12:07 PM
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STIs: What kind of gear oil do you run in your tranny?
I was searching Nasioc and they recommended using scotty's cocktail for the 5MT and they basically didn't say anything about the 6MT except for that is less picky.

Upon further reading I found that 75w90 is the weight to go, and that royal purple and mobile 1 are not good choices.

So I'm looking at the following:

Amsoil
Motul 300
Redline

Any suggestions?
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Old 05-13-2009, 12:40 PM
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The only ones i've heard work well are the subaru extra s and motul gear300. I went with the gear300 and it's awesome. Way easier to shift when cold and works really well. Get it from Benny at Lubrify.com tell him Karlton sent you
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Old 05-13-2009, 12:43 PM
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Subaru Extra Gear oil.
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Old 05-13-2009, 12:44 PM
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Originally Posted by code3suby
I was searching Nasioc and they recommended using scotty's cocktail for the 5MT and they basically didn't say anything about the 6MT except for that is less picky.

Upon further reading I found that 75w90 is the weight to go, and that royal purple and mobile 1 are not good choices.

So I'm looking at the following:

Amsoil
Motul 300
Redline

Any suggestions?
If you don't mind paying a little extra for the best synthetic fluid out there you should try Swepco. LIC in Novato stock it.
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Old 05-13-2009, 12:54 PM
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Motul all the way.
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Old 05-13-2009, 01:04 PM
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Subaru Extra S Gear oil.


-bryan
Last edited by AutoHQ; 05-13-2009 at 01:06 PM.
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Old 05-13-2009, 01:12 PM
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Originally Posted by code3suby
I was searching Nasioc and they recommended using scotty's cocktail for the 5MT and they basically didn't say anything about the 6MT except for that is less picky.

Upon further reading I found that 75w90 is the weight to go, and that royal purple and mobile 1 are not good choices.

So I'm looking at the following:

Amsoil
Motul 300
Redline

Any suggestions?
That cocktail is no bueno.

Motul 300

I don't know own a STi so what do I know.
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Old 05-13-2009, 01:12 PM
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I use and recommend Motul Gear300, smooth shifting and the syncros are happy (04 STi, 43K miles).

If there was no Motul, I would use Swepco (heard good things about it... although I have never used it).
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Old 05-13-2009, 01:16 PM
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Originally Posted by AutoHQ
Subaru Extra S Gear oil.


-bryan
Can you use that for rear diff on MY02 WRX as well? Or Extra S is ONLY for STI?
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Old 05-13-2009, 01:20 PM
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Originally Posted by orwrx
Can you use that for rear diff on MY02 WRX as well? Or Extra S is ONLY for STI?
Yes, you can use it in your rear diff too and any Subaru, not just STI's.


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Last edited by AutoHQ; 05-13-2009 at 01:25 PM.
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Old 05-13-2009, 02:25 PM
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Anyone know where I can get motul in the east bay? I checked Kragen and Autozone and neither have it.
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Old 05-13-2009, 02:27 PM
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Swepco from LICMotorsports. It's amazing

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Old 05-13-2009, 02:34 PM
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I got mine from EQ at Eq Tuning, he got me my Motul Gear 300 in 1 day!.
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Old 05-13-2009, 03:04 PM
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I love the Motul Gear 300 in my 6MT. I've tried Subaru Gold and Swepco. Each oil has its positives and negatives but the Motul is my choice all around.

-- Ed
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Old 05-13-2009, 03:06 PM
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Originally Posted by code3suby
Anyone know where I can get motul in the east bay? I checked Kragen and Autozone and neither have it.
Benny @ Lubrify.com
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