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Old 11-27-2015, 06:42 PM   #3076
yertle
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Join Date: Oct 2004
Location: Santa Barbara, CA
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2005 WRB WRX - Stg 2
2013 DGM WRX 5-dr

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Our 5-speeds don't seem to love abuse. First gear is usually pretty notchy in the morning (with no synchro) and rev matching seems to help with other shifts. Not sure if that's your idea of babying or not, but that's what I meant.
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Old 11-27-2015, 10:47 PM   #3077
vicious_fishes
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Quote:
Originally Posted by yertle View Post
Our 5-speeds don't seem to love abuse. First gear is usually pretty notchy in the morning (with no synchro) and rev matching seems to help with other shifts. Not sure if that's your idea of babying or not, but that's what I meant.
I heel/toe every braking shift and doubleclutch every overtaking one. It's just force of habit.

We're a bit off topic now however...
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Old 12-05-2015, 01:58 PM   #3078
4wdwrx
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The Blue Mammoth

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I have used the cocktail long time ago, It would grind when the mixture separates.

I recommend using Subaru S Gear. I get them from the local Subaru dealer, only thing is, I had to bring my own container.
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Old 03-13-2016, 10:40 AM   #3079
The Rig
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Hi guys from over here in the U.K.

Just used redline in my 5 speed , I managed to drain 0.6 litres out via dipstick tube , which leaves about 3.3 litres of castrol syntrax in there , I then added the redline , 0.9 litre bottle .

Hopefully it cures the crunch in 2nd and 3rd with this mix ? How you all getting on with the cocktail ?

Cheers
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Old 03-13-2016, 09:14 PM   #3080
Titter
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Member#: 416107
Join Date: Mar 2015
Chapter/Region: International
Location: Ontario, Canada
Vehicle:
2002 WRX Wagon
EJ207 Spec C 4EAT

Default Bartender: One Scotty's cocktail please.

drain it all out and use proper gear oil. its been proven most cocktails eat the brass baulk rings.
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Old 03-14-2016, 04:38 AM   #3081
The Rig
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Well im glad i didnt use 4 litres of redline line, only the 1 bottle ha

I still have 3.4 litres of castrol in there so hopefully the blend i used isnt too bad

but will bare in mind the above when coming to refresh the oil again

cheers
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Old 03-14-2016, 10:02 PM   #3082
Titter
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EJ207 Spec C 4EAT

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redline is fine. its the synchromesh thats the bad one.
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Old 08-16-2017, 08:44 PM   #3083
gosefroba
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ISM

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Thoughts on using it with the new gen WRX. Third gear has started to grind in mine
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Old 08-16-2017, 09:47 PM   #3084
Superorb
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Quote:
Originally Posted by gosefroba View Post
Thoughts on using it with the new gen WRX. Third gear has started to grind in mine
How many miles do you have?
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Old 08-16-2017, 10:20 PM   #3085
gosefroba
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ISM

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36k changed the fluid at 30k to redline 57904. Started grinding maybe 300 miles ago
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Old 08-17-2017, 09:30 AM   #3086
Superorb
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Quote:
Originally Posted by gosefroba View Post
36k changed the fluid at 30k to redline 57904. Started grinding maybe 300 miles ago
Soooo if the grinding started not long after switching to Redline...

That's pretty low to have grinding problems too. I have 120k miles on my 02 with no grinding anywhere.
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Old 08-17-2017, 11:18 AM   #3087
Samurai Jack
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Quote:
Originally Posted by gosefroba View Post
36k changed the fluid at 30k to redline 57904. Started grinding maybe 300 miles ago
Well, there's your problem right there. You are using the wrong Redline product.

You are using the 75W90.
Quote:
Originally Posted by Redline
This product is not designed for use in most manual transmissions or transaxles in passenger vehicles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems


You WANT the 75W90NS.
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Old 08-17-2017, 06:03 PM   #3088
gosefroba
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ISM

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Sorry thats the one I used in the transmission. I did my diff and trans fluid at the same time and looked at the wrong invoice

Looking back I bought 1 qt of 57904 and 4qts of 58304

Last edited by gosefroba; 08-17-2017 at 06:09 PM.
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Old 08-18-2017, 12:23 PM   #3089
Samurai Jack
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So, gotta ask - are you sure it's not your shifting?

I had much better shifting when I switched to the Redline 75W90NS in my 5MT.

I had even better shifting when I went from 100% Redline 75W90NS to 50% Redline 75W90NS and 50% Redline Lightweight Shockproof
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Old 08-20-2017, 05:37 PM   #3090
gosefroba
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2015 WRX
ISM

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I have tracked the car a few times and have autocrossed it a lot. I have a few instances where I have slammed on the brakes in both autocross and track driving where the shifter falls halfway between gears and makes awful sounds (assuming the syncros being eaten).

The clutch is 100 percent depressed. Even if I go very slowly from 5th to 3rd its gonna grind. I have everything minus the Castrol Hypoy C, which is coming tomorrow. I will update with results once I swap the fluid.
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Old 08-23-2017, 07:58 PM   #3091
gosefroba
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ISM

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UPDATE: Changed the fluid and went on a 30 min drive with a lot of 5th to 3rd gear shifts. ZERO grinds seemed to have done the trick
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Old 11-20-2017, 12:31 PM   #3092
Wild_bill_
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So whats the present day mixture look like compared to what it was 10,5,2 years ago? Anything change?
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Old 03-09-2018, 01:28 PM   #3093
STefanoA
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Location: Albenga (Savona) Italy
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Blu

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Hello guys, greetings from Italy. I used grimmspeed cocktail mix in my STI 02. I'm very happy !! My STI Scratched a bit in all rots and very much in IV and V. I was already ready to spend 1800 Euro for gearbox gears. Put the mix after a while, all went well. Thanks Grimm
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Old 12-07-2018, 05:02 PM   #3094
vrios969
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Black

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Quote:
Originally Posted by njskatchmo View Post


2qt 80w90 Castrol HypoyC(NOW labeled Axle Limited Slip 80W-90 by Castrol in North America) NO stupid PM's on this either
i cant find castrol or axle limited slip ANYWHERE!! Any alternatives to this fluid ?? Or where Can i find it?
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Old 02-17-2020, 03:40 PM   #3095
Jeaux-D
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Member#: 511424
Join Date: Feb 2020
Default 4th Gear Grind: Not any more

First Subbie, bought 2 weeks ago. 2002 WRX, 124,500 miles. While test driving, out of respect, I was pretty gentle (last time that happens). After monies exchanged grease-monkey fists I put her through the paces but couldnt 100%. 4th was grinding up-shifting and down shifting; worse when down-shifting. I could kinda float her into 4th from 3rd but 5th to 4th may as well just thrown rocks in the gear box. Did my reading here, Amazon'd my **** (HEAVY Shockproof), followed the recipe, and within 10 miles 3 to 4 was at nearly normal shifting: 5 to 4 I could at least float her into gear. Just did a 300 mile run and EVERYTHING SHIFTED ON POINT!!!! Up and down, all gears, whenever I needed (NOT RACING CONDITIONS) but at a Daily Driver pace it was slicker'n cat **** on linoleum. Dont know what kinda Voodoo Magic Mike jizz this is but at the time of this writing itll give me some time to save up for a tranny rebuild.
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Old 06-05-2022, 04:15 PM   #3096
designfate
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Default

Edit: nvm I went with Motul

Last edited by designfate; 06-09-2022 at 01:25 AM.
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Old 09-22-2023, 03:55 PM   #3097
Colossus127
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Default

Worked great for my 03 Bugeye!
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