Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - So 2017+ models CAN use GL-5 fluids in the tranny...

venturaII · 03-28-2019, 02:52 PM

This article has been cited in the past plenty of times, but is still an excellent explanation of why GL5 ratings are NOT compatible for transmissions using brass syncronizers...nor are they meant to be. Written by a knowledgeable regular over at BITOG, in this case for the Corvair community. Brass is still brass though, regardless of it being in a '65 Corvair or a '15 Toyota...

https://www.widman.biz/uploads/Transaxle_oil.pdf

03-28-2019, 02:52 PM	#8
venturaII Only users lose drugs. Join Date: Nov 2014 Drives: All the time Location: Shrewsbury upon Worcestershire Posts: 1,834 Thanks: 888 Thanked 1,078 Times in 681 Posts Mentioned: 3 Post(s) Tagged: 2 Thread(s)	This article has been cited in the past plenty of times, but is still an excellent explanation of why GL5 ratings are NOT compatible for transmissions using brass syncronizers...nor are they meant to be. Written by a knowledgeable regular over at BITOG, in this case for the Corvair community. Brass is still brass though, regardless of it being in a '65 Corvair or a '15 Toyota... https://www.widman.biz/uploads/Transaxle_oil.pdf __________________ "To know a thing well, know it's limits. Only when pushed beyond its tolerances will true nature be seen." Amtal Rule Last edited by venturaII; 03-29-2019 at 10:24 AM.