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Old 03-13-2016, 05:29 AM   #26
g-heap
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My bad. "Moron" was uncalled for.
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Old 03-15-2016, 03:40 PM   #27
oaklandish_WRX
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How the hell does Canada still get extra-s and we don't?? Thought it was totally off the market, even JPN... Better not be some CAFE bs.
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Old 03-16-2016, 08:16 AM   #28
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no, its real, we sell it.

pick up some real maple syrup while youre up here. and grab a beavertail pastry.
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Old 03-16-2016, 11:57 AM   #29
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Quote:
Originally Posted by Titter View Post
no, its real, we sell it.

pick up some real maple syrup while youre up here. and grab a beavertail pastry.
PM me the dealer that stocks it please. I was trying to look up the closest dealer to Windsor the other night. Time to test my D/L for border crossing.
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Old 03-16-2016, 10:50 PM   #30
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Default Tranny Fluid. Specifically Extra S Replacement. AKA Subaru High Performance M...

Quote:
Originally Posted by oaklandish_WRX View Post
How the hell does Canada still get extra-s and we don't?? Thought it was totally off the market, even JPN... Better not be some CAFE bs.

It's probably not CAFE since it's thicker than Extra -S. It should be thicker since it's lacking in metallic additives.
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Old 03-17-2016, 11:16 AM   #31
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Quote:
Originally Posted by BlueSTI4Me View Post
PM me the dealer that stocks it please. I was trying to look up the closest dealer to Windsor the other night. Time to test my D/L for border crossing.
Picked mine up from Frontier Subaru in Winnipeg. I know thats far off from where you are.

I'm sure you have it but heres the part number

K0323F0091
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Old 03-17-2016, 02:02 PM   #32
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Quote:
Originally Posted by bluesubie View Post
It's probably not CAFE since it's thicker than Extra -S. It should be thicker since it's lacking in metallic additives.
Agreed, Dennis, thanks. I've followed the ExS/HPGO analysis thread, too. I just assume every time the USA gets screwed out of something good for our cars, its CAFE biting us in the ass.

<------- Set to try the HPGO in a 5MT this spring...
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Old 03-17-2016, 10:51 PM   #33
BlueSTI4Me
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Quote:
Originally Posted by WagonBaggin View Post
Picked mine up from Frontier Subaru in Winnipeg. I know thats far off from where you are.



I'm sure you have it but heres the part number



K0323F0091

Thanks
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Old 03-13-2017, 09:29 AM   #34
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Sorry to resurrect an old thread, but I recently changed out the trans fluid in my 16 wrx with the HPGO from Subaru. After a couple of weeks of grinding 1-2 shifts and having a hard time going from 3-2, I said "screw it" and tried the Redline stuff. While the redline is a lot better that the HPGO, I still think the original fill was better still.

So I just wanted to confirm that part number K0323F0091 is indeed Extra-S. I'm looking online and it seems like you could get a 20L (5gal) bucket for about $150 - I thought it was originally around the $350 range? Pretty skeptical about ordering it sight unseen. Was wondering if anyone can confirm this is the right part number for Extra -S and not the latest Subaru gear oil concoction.

Thanks
Angelo
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Old 03-13-2017, 11:57 AM   #35
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The '15-up WRX 6-speed specifies Extra-MT, not Extra-S as used in the older 5-speed. AFAIK the only source for the Extra-MT is a dealer.
Your best choice as an alternate is probably Motul 300.
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Old 03-13-2017, 12:39 PM   #36
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Quote:
Originally Posted by Mulder View Post
The '15-up WRX 6-speed specifies Extra-MT, not Extra-S as used in the older 5-speed. AFAIK the only source for the Extra-MT is a dealer.
Your best choice as an alternate is probably Motul 300.
My bad - I got Extra-MT and Extra-S mixed up. Thanks.
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Old 03-15-2017, 12:48 AM   #37
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I used the factory fill for 15,000 miles before changing with Subaru HPGO. Just finished 15,000 miles with Subaru HPGO. Worked fine with nothing major to report. Now trying Red Line 75W90 NS. Will see how the next 15,000 miles go.
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Old 03-17-2017, 01:53 PM   #38
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15k seems like a really short interval. i was replacing mine every 30k and that seemed quick. i think subaru doesnt even specify a replacement interval for it, just inspect.
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Old 03-19-2017, 02:08 AM   #39
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Anyone try AMSoil Severe Gear 75w-90? Looks like you change it once and it should last 100k miles.
http://www.amsoil.com/shop/by-produc...?code=svgqt-ea
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Old 03-19-2017, 12:24 PM   #40
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I used Amsoil Long Life Synthetic 75W-90. I have a 2014 WRX and didn't want friction modifiers in my transmission that I believe the Severe Duty has in it. If you have an STI it may be the right one but in mine there isn't a LSD and didn't need the friction modifiers.
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Old 03-19-2017, 12:26 PM   #41
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Quote:
Originally Posted by ROTORCRAFT230 View Post
I used Amsoil Long Life Synthetic 75W-90. I have a 2014 WRX and didn't want friction modifiers in my transmission that I believe the Severe Duty has in it. If you have an STI it may be the right one but in mine there isn't a LSD and didn't need the friction modifiers.


The transmission shifts smoother that to did before with the factory fill Which I changed at 15,000 miles.
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Old 05-15-2017, 02:12 PM   #42
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Any Canadian Subaru dealers ship a 5 Gallon pale to the US? What's it cost for that container?
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Old 05-15-2017, 02:43 PM   #43
Charlie-III
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Maybe I'll try this or the Motul after I get my 98 5MT rebuilt.

As an aside, really wish the thread title and some posts correctly called it "gear oil" and NOT motor oil......
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Old 12-08-2017, 06:21 AM   #44
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I put motul gear 300 in my 18 STI and it really sucks in the cold. It was in the 20's this morning and I could not get into second gear no matter how much I tried double clutching or rev matching at first. It also is really hard to get out of first gear when cold. This has to be the worst manual transmission car I ever had. I may try the Subaru HDGO as the factory fill was better then the motul. I have been gentle with shifting this car as well and the gears do not grind. If that does not resolve it I may seriously trade the car in.
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Old 12-12-2017, 08:39 AM   #45
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Quote:
Originally Posted by JJay03 View Post
I put motul gear 300 in my 18 STI and it really sucks in the cold. It was in the 20's this morning and I could not get into second gear no matter how much I tried double clutching or rev matching at first. It also is really hard to get out of first gear when cold. This has to be the worst manual transmission car I ever had. I may try the Subaru HDGO as the factory fill was better then the motul. I have been gentle with shifting this car as well and the gears do not grind. If that does not resolve it I may seriously trade the car in.
Before trading your car in, try Torco RTF.

I have a 6mt, been using the RTF in a different car, my 5mt, and 6mt for quite a few years.

(When I had transmission guy rebuild my 6mt with long ratio gear set , he commented that inside my old trans was one of the better looking one he's seen)

It's fn cold where I live 3/4 of the year.

First gear is always a bitch when cold, gotta be almost stopped. Never really thought about second though.

Single digit temps & below-I do pull out if the driveway, shift into second, and slow cruise a block or two to help everything start to come up to temp. Shifts fine after that.
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Old 12-12-2017, 08:43 AM   #46
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Quote:
Originally Posted by point78 View Post
Before trading your car in, try Torco RTF.

I have a 6mt, been using the RTF in a different car, my 5mt, and 6mt for quite a few years.

(When I had transmission guy rebuild my 6mt with long ratio gear set , he commented that inside my old trans was one of the better looking one he's seen)

It's fn cold where I live 3/4 of the year.

First gear is always a bitch when cold, gotta be almost stopped. Never really thought about second though.

Single digit temps & below-I do pull out if the driveway, shift into second, and slow cruise a block or two to help everything start to come up to temp. Shifts fine after that.
I put the subaru HPGO in it sunday. It seems a bit better but I have not driven it enough yet. The shifting has really ruined my experience with an otherwise great car.
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Old 05-09-2018, 03:40 PM   #47
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Default Extra S part#

Extra S looks like part SOA427V1700 (listed for BRZ). I had mine replaced with SOA635301 previously.

Last edited by David920; 05-09-2018 at 07:24 PM. Reason: Added info
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Old 05-10-2018, 12:19 PM   #48
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Quote:
Originally Posted by David920 View Post
Extra S looks like part SOA427V1700
Sigh...you got my hopes up posting this. My 5MT is not a fan of the "new" (now, not-so-new) HPGO stuff, but I have basically zero hope that Extra S will ever show up again.

Anyway, this is HPGO, which replaced Extra S in SOA's inventory. Goes in the same place, but not still the same fluid. There's other posts which show actual analyses comparing them, including that specific part number.
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Old 05-14-2018, 04:38 PM   #49
alanlcit
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Default Motul Gear 300 Feedback

I have a 2005 STi with 146000 miles.

I replaced Amsoil Severe Gear (which I used from 57k to 87k) in 2010 with Motul Gear 300, again, at 87k miles. I have been running it without replacement ever since.

I've been very pleased with the results. Gear shifting has always been smooth and predictable regardless of temperature. This was not the case with the factory fill or the Amsoil Severe Gear (Amsoil was probably the worst). I have no plans to replace the gear oil, even though it has been 8 years, since there seem to be no issues with synchros or anything else. I presumably will be able to notice in the action of the synchros and any noise issues when there is any degradation of the oil (I hope!).

Admittedly, I live in California, so cold weather conditions are rare. But I have driven to the North Rim of the Grand Canyon and South Rim in winter, and on a sample size of just a couple cold (sub-freezing) mornings, I never noticed any problems.

This is for an STi 6-speed, of course. Your mileage may vary on other transmissions or model years; I have no idea. But for this particular application, Motul Gear 300 was a solid choice. I did not want to be replacing transmission fluid frequently (ever!), so I was looking for a solid choice I could put in and forget about.

Amortized over 8 years, the actual list price of the oil seems fairly inconsequential. I think it was a total of $90 or something.

Last edited by alanlcit; 05-21-2018 at 09:53 PM. Reason: Noticed a typo...
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Old 07-15-2018, 11:30 PM   #50
ricardo381
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After 15,000 miles of using the Red Line 75W90 NS (my car is now at 45,xxx miles), my 5MT is starting to grind very briefly when I upshift to 3rd gear. No issues with any of the other gears or when downshifting to 3rd. I'm switching back to the Subaru HPGO to see if it helps. Hopefully it's not the synchronizer or other transmission issue...
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