(75W-90) Red Line -vs- Amsoil ????

[Loobed]

I am currently using Amsoil Severe gear 75W-90 lube, but I am considering trying Red Lines lube. Has anyone tried both lubes and how do they compare to each other? Amsoil is $13 qt and Redlin is $11 qt. Both are available locally. Does Red Line put more moly in their gear oil like they do their engine oil?


Red Line
TYPICAL PROPERTIES

API Service Class ....GL 5+
Viscosity Grade .....SAE 75W90
Vis @ 100°C, cSt .....16.4
Vis @ 40°C, cSt .....115
Viscosity Index .....155
Pour Point, °C .....-45
Pour Point, °F .....-49
Flash Point, °C .....227
Flash Point, °F .....440
Brookfield Viscosity, Poise .....1100 @-40°C



AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG)

Kinematic Viscosity @ 100°C, cSt (ASTM D-445).....16.7
Kinematic Viscosity @ 40°C, cst (ASTM D-445) .....109.1
Viscosity Index (ASTM D-2270) .....165
Brookfield Viscosity, cP (150,000 Max) @-40°C .....68,150
Flash Point, °C (°F) (ASTM D-92) 150°C Min. .....220 (428)
Pour Point, °C (°F) (ASTM D-97) .....-50 (-58)
Copper Corrosion (ASTM D-130) 1b Max @ 121 °C (250°F)..... / 3hr 1b
Falex Procedure B (ASTM D-3233) (failure load, lbf.) .....2500
Foam Stability (ASTM D-892) (20/50/20 maximum) .....0/0/0

 

[Turk]

I'll stay with the Amsoil due to the lower pour point.

 

[DieselTech]

Originally Posted By: tpitcher
I'll stay with the Amsoil due to the lower pour point.



I agree, I havde had great results with 75-140 sever gear in my fords

 

[gathermewool]

I went out of my way to buy Motul Gear 300. My second choice would have been Amsoil. How often are you changing out your gear oil? I've got 17k now, want to change out soon, and not touch it again for another 60k+ This is in an 08 WRX STI

 

[StevieC]

I have always used Amsoil gear oils and never had an issue and only superior performance and protection to report. That isn't to say that the RL isn't great stuff but I have experience with Amsoil and it has served me well so I stick with it.

 

[Steve S]

I like Delo all the qualities of the pricy syn oils at the cost of a quality conventional oil. It is worth considering .