High Mileage Lubricants. (1 Viewer)

[DuxTom]

Evening all,

After owning several, I’ve been without an FJ now for FAR to many years, however recently acquired a high mileage stock drivetrain ‘78 40. I’ll have many questions as I ease back into this world and attempt to recall details long forgotten about the species and will most likely rely heavily on the immense hive brain that is IH8MUD and I thank you all greatly in advance.

First and foremost… lubricants? As I’ve mentioned it’s high mileage (154k+).

Motor: Previous owner was using a 10w-30 in Winter and 10w-40 in Summer “synthetic blend”… synthetic of any sort in these old motors seems like maybe not the best idea? Thoughts/Recommendations?

Gear oils: Transmission? TCase? Differential?

Coolant: Any considerations here or just as straightforward as it should be?

Manuals: Are the factory reprints decent?

I’ll start there. Thanks again!

Tom

 

[micruz60]

Resources tab at header of website for all the (FSM) factory service manuals.

GL-4 gearoil for the transfer / transmission / differentials. 90 weight.

Toyota genuine red anti-freeze or the other stuff that's green, 75 /25 mix for the coldest Montana temps. (if you plan to drive during the winter).

T4 Rotella engine oil in the 5w-40 flavor is what I've run for many years in the 2F. Real dino oil, not synthetic. Verify ZDDP content.

(and the official welcome to the mudness: )

 

[White Stripe]

I use Tribodyne for motor oil.

 

[bj70bc]

i wouldnt consider that mileage high mileage, but,
i use T5 sythetic blend engine oil
you can buy zddp additive seperate for the engine oil as well