This is the "neighbor's truck" I purchased in August which is still under 50K.
Being 16 MY old I want to change the differential fluids.
80W-90 is the specced fluid. I want to go synthetic as they're uniformly suggested. Also, the FM for the rear is already in the synthetics.
A few people urged me to use a 75W-140. This is the lube for the Level II's Torsen rear.
How does one calculate any benefit. With my truck's low mileage I'm thinking the specced 80W-90 is fine.
Any towing will be rare and done in temperate climates.
I asked a similar question a while back but deciding between conventional lube and synthetics was the focus then.
I am going synth. Is the 140 even to be considered?
Being 16 MY old I want to change the differential fluids.
80W-90 is the specced fluid. I want to go synthetic as they're uniformly suggested. Also, the FM for the rear is already in the synthetics.
A few people urged me to use a 75W-140. This is the lube for the Level II's Torsen rear.
How does one calculate any benefit. With my truck's low mileage I'm thinking the specced 80W-90 is fine.
Any towing will be rare and done in temperate climates.
I asked a similar question a while back but deciding between conventional lube and synthetics was the focus then.
I am going synth. Is the 140 even to be considered?