"Scottys ****tail" recommended for 04 Sti 6 Spd???

inotoriousdi · 04-03-2007, 11:06 PM

Hey, im planning to do a transmission flush for my 2004 sti 6 spd manual transmission.. I read alot of things about "Scottys ****tail" which consists of 1qt redline lightweight shock proof
1qt penzoil synchromesh
2 qt castrol hypoxy 80w-90
I was just wondering to see if anyone used this combo for their 6 spd transmissions and I believe sti transmission uses 5.3 quarts all together? So would i use 3 qts of castrol hypoxy 80w-90 instead of 2 qts??
Thanks for the help in advance..

***lackskill*** · 04-04-2007, 06:23 AM

I believe the going trans fluid recommendation for the 6mt is Motul Gear 300 as per Clint from TiC.

inotoriousdi · 04-04-2007, 10:41 AM

I have a slight grind from 4th to 5th... I hope it the motul gear oil would help this

***lackskill*** · 04-04-2007, 11:06 AM

The grind is something many experience, Clint found that initially the grind went away, but eventually came back but not as bad.

***fullerton*** · 04-04-2007, 11:13 AM

you're fine trying the co<filter>cktail.

alternatively, you could use Motul Gear 300 75-90 in place of the Catrol.

ChristianCGM · 04-04-2007, 07:57 PM

Acutally I think the STi transmission is 4.3 quarts.

I using Uncle Scotty's ****tail....or a version of it. Just did it this past weekend...so time will tell how well it will work in a few thousand miles. I was using Valvoline 75w90 dino, which was horrible IMO. The shifter felt really notchy with the dino oil, which is now gone. Shifting into 5th with no more 5th gear grind, I am wondering how long this will last.

Instead of the 80w90 I am using a synthetic blend 75w90.

04__STi · 04-09-2007, 04:37 PM

Haha.. I wouldn't try any ****tail Unclescotty from nasioc recommends lol...that guy is a a joke!

He is the biggest AZZhat on Nasioc and has caused a decline in site visits lol....I'm just glad that tool doesen't troll these forums woot!

I didn't want synchro issues so i never used synthetic...I been using castrol dino and it works great! smooth shifts and no noisy synchros!

ValvetrainEngineer · 04-10-2007, 05:10 AM

Same here, went with synthetic and had more grinds. Back to straight castrol dino and shifts perfect, no grinding. No need for any crazy mixtures of stuff here...

Sideoiler · 04-10-2007, 05:57 AM

I run Motul in my gearbox, have for 100,000kms. No grinding, no synchro issues, smooth as butter in the extreme(-40C) cold and still on the original clutch. I'm not a fan of mixing lubricants in the garage to put into such an expensive gearbox. I believe the engineers that formulate and test the lubricants are way smarter than I am.

***Szumita*** · 04-10-2007, 05:59 AM

seems like the motul is the way to go..

04__STi · 04-10-2007, 08:46 AM

And...Scotty doesen't have an STi ..he has a standard WRX TR!

04-03-2007, 11:06 PM	#1
inotoriousdi Junior STI Driver Car: 04 Subaru WRX Sti Fav Mod: 6spd Location: queens, new york Posts: 58 IWSTI Addict since: Feb 2006 Trader Rating: (0)	"Scottys tail" recommended for 04 Sti 6 Spd??? Hey, im planning to do a transmission flush for my 2004 sti 6 spd manual transmission.. I read alot of things about "Scottys ****tail" which consists of 1qt redline lightweight shock proof 1qt penzoil synchromesh 2 qt castrol hypoxy 80w-90 I was just wondering to see if anyone used this combo for their 6 spd transmissions and I believe sti transmission uses 5.3 quarts all together? So would i use 3 qts of castrol hypoxy 80w-90 instead of 2 qts?? Thanks for the help in advance.. This ad is not endorsed by this member. Please register or login to hide this ad.

04-09-2007, 04:37 PM	#7
04__STi Banned Car: 04 STi Posts: 570 IWSTI Addict since: Apr 2006 Trader Rating: (2)	Haha.. I wouldn't try any ***tail Unclescotty from nasioc recommends lol...that guy is a a joke! He is the biggest AZZhat on Nasioc and has caused a decline in site visits lol....I'm just glad that tool doesen't troll these forums woot! I didn't want synchro issues so i never used synthetic...I been using castrol dino and it works great! smooth shifts and no noisy synchros! Last edited by 04__STi; 04-10-2007 at 08:44 AM.*

04-10-2007, 08:46 AM	#11
04__STi Banned Car: 04 STi Posts: 570 IWSTI Addict since: Apr 2006 Trader Rating: (2)	And...Scotty doesen't have an STi ..he has a standard WRX TR! This ad is not endorsed by this member. Please register or login to hide this ad.

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04-04-2007, 06:23 AM	#2
*lackskill* Super Moderator Car: 05 Ram 3500 CTD Fav Mod: Majin Posts: 14,992 IWSTI Addict since: Apr 2006 Trader Rating: (9)	I believe the going trans fluid recommendation for the 6mt is Motul Gear 300 as per Clint from TiC.

04-04-2007, 10:41 AM	#3
inotoriousdi Junior STI Driver Car: 04 Subaru WRX Sti Fav Mod: 6spd Location: queens, new york Posts: 58 IWSTI Addict since: Feb 2006 Trader Rating: (0)	I have a slight grind from 4th to 5th... I hope it the motul gear oil would help this

04-04-2007, 11:06 AM	#4
*lackskill* Super Moderator Car: 05 Ram 3500 CTD Fav Mod: Majin Posts: 14,992 IWSTI Addict since: Apr 2006 Trader Rating: (9)	The grind is something many experience, Clint found that initially the grind went away, but eventually came back but not as bad.

04-04-2007, 11:13 AM	#5
*fullerton* Shamwow Vince is my hero Car: AW GDF-D Fav Mod: Q-Rack Location: P&L 30R Land Posts: 17,391 IWSTI Addict since: Oct 2005 Trader Rating: (12)	you're fine trying the co<filter>cktail. alternatively, you could use Motul Gear 300 75-90 in place of the Catrol.

04-04-2007, 07:57 PM	#6
ChristianCGM Grassroots STI Racer Car: 05 STi CGM Fav Mod: whiskey tango Posts: 579 IWSTI Addict since: Oct 2005 Trader Rating: (2)	Acutally I think the STi transmission is 4.3 quarts. I using Uncle Scotty's ****tail....or a version of it. Just did it this past weekend...so time will tell how well it will work in a few thousand miles. I was using Valvoline 75w90 dino, which was horrible IMO. The shifter felt really notchy with the dino oil, which is now gone. Shifting into 5th with no more 5th gear grind, I am wondering how long this will last. Instead of the 80w90 I am using a synthetic blend 75w90.

04-10-2007, 05:10 AM	#8
ValvetrainEngineer Spec C Club Car: '04 WRB Fav Mod: A working ECU... Location: CT Posts: 1,485 IWSTI Addict since: May 2003 Trader Rating: (7)	Same here, went with synthetic and had more grinds. Back to straight castrol dino and shifts perfect, no grinding. No need for any crazy mixtures of stuff here...

04-10-2007, 05:57 AM	#9
Sideoiler Spec C Club Location: Edmonton, Alberta Posts: 1,488 IWSTI Addict since: Jan 2004 Trader Rating: (0)	I run Motul in my gearbox, have for 100,000kms. No grinding, no synchro issues, smooth as butter in the extreme(-40C) cold and still on the original clutch. I'm not a fan of mixing lubricants in the garage to put into such an expensive gearbox. I believe the engineers that formulate and test the lubricants are way smarter than I am.

04-10-2007, 05:59 AM	#10
*Szumita* i eat cones Car: 08 MKV GTI Fav Mod: intake Location: ma & ri Posts: 6,923 IWSTI Addict since: Oct 2006 Trader Rating: (21)	seems like the motul is the way to go..