Looking to start a list and conversation of GL-5 rated gear oils that may be suitable for manual transmissions containing hypoid differentials (i.e. Subarus). I'm specifically interested in choices lighter than 75w-90 (less than 14 cSt@100C and ideally less than 80 cSt@40C), as I'm thinking this may help with drivablitiy issues, and there seems to be very little available that fits the bill.
Going off of MolaKule's list (fantastic resource) and what I could dig up on my own I see:
Liqui Moly Gear Oil (GL5) 75W-80
-Viscosity at 40°C 52.3 cSt
-Viscosity at 100°C 8.5 cSt
Fuchs TITAN SINTOFLUID SAE 75W-80 synthetic MTF
-Viscosity at 40°C 49.8 cSt
-Viscosity at 100°C 9.4 cSt
Subaru Extra MT 75w-80 (only available in 5gal)
-waiting on viscosity info
Motylgear 75W-80
-Viscosity at 40°C 58.8 cSt
-Viscosity at 100°C 10.1 cSt
Ford XY-75W85-QL Synth Hypoid Gear Lube (no LS FM?)
-Viscosity at -40°C 48,000 (no 40°C spec found)
-Viscosity at 100°C 11.5 cSt
MOTYLGEAR 75W-85
-Viscosity at 40°C 82.6 cSt
-Viscosity at 100°C 12.6 cSt
RAVENOL MTF-1 SAE 75W-85
-waiting on viscosity info
-unsure if LS friction modifiers are included
Motul GEAR 300 75W-90 (incl. because of exceptional low temp viscosity)
-Viscosity at 40°C 72.6 cSt
-Viscosity at 100°C 15.2 cSt
Redline 75W90NS GL-5 (incl. for comparison):
-Viscosity at 40°C 90.4 cSt
-Viscosity at 100°C 15.6 cSt
Thoughts?
Going off of MolaKule's list (fantastic resource) and what I could dig up on my own I see:
Liqui Moly Gear Oil (GL5) 75W-80
-Viscosity at 40°C 52.3 cSt
-Viscosity at 100°C 8.5 cSt
Fuchs TITAN SINTOFLUID SAE 75W-80 synthetic MTF
-Viscosity at 40°C 49.8 cSt
-Viscosity at 100°C 9.4 cSt
Subaru Extra MT 75w-80 (only available in 5gal)
-waiting on viscosity info
Motylgear 75W-80
-Viscosity at 40°C 58.8 cSt
-Viscosity at 100°C 10.1 cSt
Ford XY-75W85-QL Synth Hypoid Gear Lube (no LS FM?)
-Viscosity at -40°C 48,000 (no 40°C spec found)
-Viscosity at 100°C 11.5 cSt
MOTYLGEAR 75W-85
-Viscosity at 40°C 82.6 cSt
-Viscosity at 100°C 12.6 cSt
RAVENOL MTF-1 SAE 75W-85
-waiting on viscosity info
-unsure if LS friction modifiers are included
Motul GEAR 300 75W-90 (incl. because of exceptional low temp viscosity)
-Viscosity at 40°C 72.6 cSt
-Viscosity at 100°C 15.2 cSt
Redline 75W90NS GL-5 (incl. for comparison):
-Viscosity at 40°C 90.4 cSt
-Viscosity at 100°C 15.6 cSt
Thoughts?