mikesubie13 Posted August 22, 2013 Share Posted August 22, 2013 Hey everyone plan on doing the transmission and rear diff service on my legacy gt 5spd 2005 . Want to use the motel 75w90 gear oil . Was wondering if anybody esle is using it and have pros and cons ? Also for the rear diff will I need any kind of a LSD addictive or fluid ? Or just the gear oil is fine ? Thanks guys Link to comment Share on other sites More sharing options...
Th3Franz Posted August 22, 2013 Share Posted August 22, 2013 I run Motul Gear 300 75w90 mixed with Redline light shockproof. This is what Andrewtech recommends for the 5-speed and it works great in cold weather. For the rear diff, the stock R160 is a sealed viscous unit, so you can run any 75w90 back there. A quart of Motul is fine for the rear diff. -Franz The end of a Legacy http://www.youtube.com/th3franz Link to comment Share on other sites More sharing options...
BAC5.2 Posted August 22, 2013 Share Posted August 22, 2013 I run Motul Gear 300 75w90 mixed with Redline light shockproof. This is what Andrewtech recommends for the 5-speed and it works great in cold weather. For the rear diff, the stock R160 is a sealed viscous unit, so you can run any 75w90 back there. A quart of Motul is fine for the rear diff. I support all of this. [URL="http://legacygt.com/forums/showthread.php/proper-flip-key-interesti-159894.html"]Flip Key Development Thread[/URL] "Genius may have its limitations, but stupidity is not thus handicapped." - E. Hubbard Link to comment Share on other sites More sharing options...
Max Capacity Posted August 22, 2013 Share Posted August 22, 2013 I support all of this. Make that 3 qt's redline and the .8 of the Motul. Or Extra S if the tranny shifts fine. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
roundthirteen Posted August 23, 2013 Share Posted August 23, 2013 Extra S + Extra S (I have a Spec B though) My car's not a sleeper it's a hibernator. http://pure-tuning.com Link to comment Share on other sites More sharing options...
FJuan Posted August 23, 2013 Share Posted August 23, 2013 Don't use Mobile 1 gear oil, you will get the famous 4th gear grind. I did, and switch back to Extra S and never had a problem since. My wife's balls are delicious. Link to comment Share on other sites More sharing options...
GTTuner Posted August 23, 2013 Share Posted August 23, 2013 Don't use Mobile 1 gear oil, you will get the famous 4th gear grind. I did, and switch back to Extra S and never had a problem since. Truf, but I had problems with Mobil 1 not Moblie 1 Extra S is magic. Link to comment Share on other sites More sharing options...
FJuan Posted August 23, 2013 Share Posted August 23, 2013 Don't use Mobile 1 gear oil, you will get the famous 4th gear grind. I did, and switch back to Extra S and never had a problem since. Truf, but I had problems with Mobil 1 not Moblie 1 Extra S is magic. I never used Moblie 1 oil either. It's a double fail. My wife's balls are delicious. Link to comment Share on other sites More sharing options...
GTTuner Posted August 23, 2013 Share Posted August 23, 2013 You'd be surprised how many times I've seen that on here. Hey, I'm no spelling bee champ myself :lol: Link to comment Share on other sites More sharing options...
Benjamin M Posted August 23, 2013 Share Posted August 23, 2013 What's the ratio of Motul 300 75w90 to Redline Lightweight Shockproof? Link to comment Share on other sites More sharing options...
FJuan Posted August 23, 2013 Share Posted August 23, 2013 Make that 3 qt's redline and the .8 of the Motul. Or Extra S if the tranny shifts fine. This My wife's balls are delicious. Link to comment Share on other sites More sharing options...
Benjamin M Posted August 24, 2013 Share Posted August 24, 2013 Woops, missed that before! Sent from my iPhone using Tapatalk - now Free Link to comment Share on other sites More sharing options...
Max Capacity Posted August 24, 2013 Share Posted August 24, 2013 What's the ratio of Motul 300 75w90 to Redline Lightweight Shockproof? Make that 3 qt's redline and the .8 of the Motul. Or Extra S if the tranny shifts fine. Here's the best $130 I've spent lately. http://i185.photobucket.com/albums/x40/92Si/DSCN5242_zps79584338.jpg 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
Th3Franz Posted August 24, 2013 Share Posted August 24, 2013 What's the ratio of Motul 300 75w90 to Redline Lightweight Shockproof? I run 50/50. I think that is what Andrewtech recommends also -Franz The end of a Legacy http://www.youtube.com/th3franz Link to comment Share on other sites More sharing options...
FJuan Posted August 26, 2013 Share Posted August 26, 2013 Extra S is the mothers milk. My wife's balls are delicious. Link to comment Share on other sites More sharing options...
BAC5.2 Posted August 26, 2013 Share Posted August 26, 2013 I run 50/50. I think that is what Andrewtech recommends also It depends on the person. I've run both 50/50 and 75/25 LWSP to Motul with spectacular results. [URL="http://legacygt.com/forums/showthread.php/proper-flip-key-interesti-159894.html"]Flip Key Development Thread[/URL] "Genius may have its limitations, but stupidity is not thus handicapped." - E. Hubbard Link to comment Share on other sites More sharing options...
mikesubie13 Posted August 26, 2013 Author Share Posted August 26, 2013 Any of you guys running the mix of both lubes is it because you started to have issues with shifting or grinding ? Or just running it because you feel it's the best fluid combo? I don't have any issues with my transmission just wanted to upgrade to a good fluid. I autocross and run the 1/4 mile with the car , plus daily driving . Link to comment Share on other sites More sharing options...
BAC5.2 Posted August 26, 2013 Share Posted August 26, 2013 I ran it because it's a good combo. Put it in my Outback almost right away. [URL="http://legacygt.com/forums/showthread.php/proper-flip-key-interesti-159894.html"]Flip Key Development Thread[/URL] "Genius may have its limitations, but stupidity is not thus handicapped." - E. Hubbard Link to comment Share on other sites More sharing options...
ssbtech Posted August 27, 2013 Share Posted August 27, 2013 It depends on the person. I've run both 50/50 and 75/25 LWSP to Motul with spectacular results. What's the difference? Why would someone pick one mix over the other? Link to comment Share on other sites More sharing options...
rtbrjason Posted August 27, 2013 Share Posted August 27, 2013 When I did my clutch I used the Walmart synthetic fluid as it was the only thing I could find locally in enough quantity to do the job. I was having serious issues getting into 1st gear even when creeping up to a light but not fully stopping. I finally switched to Extra-S and that problem went away. I was pretty surprised but I think I will stick with the Extra-S going forward. I used it in the trans/front diff as well as the rear diff. Link to comment Share on other sites More sharing options...
cww Posted August 27, 2013 Share Posted August 27, 2013 I have Extra S in the transmission and Castrol Syntrax LSD in the rear diff. The transmission is so smooth with the Extra S compared to whatever was in there when I bought it. Difference was night and day. Link to comment Share on other sites More sharing options...
BoozeRS05 Posted September 1, 2013 Share Posted September 1, 2013 Instead of starting a new thread and without searching.. A guy locally is selling 5qts of Amsoil Synthetic Manual Synchromesh Transmission Fluid on Craigslist. That's not the same thing as the redline LWSP mentioned above is it? Can I use it in my 5mt with the quart of extraS I have sitting around? Nvm : straight from BAC "You should NOT use Synchromesh in a Subaru 5MT. Synchromesh is a fluid intended for gearboxes requiring GL-4 fluids." EB's Subaru journal - 2005 LegacyGT Wagon & 2014 Forester FB25 (2008 specB - RIP) IG@legacygtliving Link to comment Share on other sites More sharing options...
IGW Posted September 26, 2013 Share Posted September 26, 2013 Is the extra s something that has to be purchased from the dealer...I want to change my diff fluid Link to comment Share on other sites More sharing options...
apexi Posted September 26, 2013 Share Posted September 26, 2013 The dealership can only get you 5 gallon drums. The following vendors sell 1qt bottles. There may be more vendors that sell it by the quart, but these are the first guys that come to mind. Fred beans subaru out of PA http://www.fredbeansparts.com/subaru-75w90-extra-s-gear-and-transmission-quart-bottle.html Infamous Performance out of CA http://www.infamousperformance.net/servlet/the-612/Subaru-75W90-Extra-dsh-S-Gear/Detail AZP out of NJ doesn't sell it by the quart, but they do sell it by the gallon. http://azpinstalls.com/web/index.php/products/maintenance Link to comment Share on other sites More sharing options...
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