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+--- Thread: GL4 (/showthread.php?tid=4978)
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GL4 - bossboy2 - 08-23-2019
Does anyone know where I can get GL4 gear oil at a reasonable price? My mouth about hit the floor when I began looking for it and at $30/gal, it just seems more reasonable to buy Lucas because you don't have to go looking.
RE: GL4 - Waterloo - 08-23-2019
Go to Walmart, their house brand, Supertech, in a blue jug. If you are filling the rear end diffs, best to take truck to TA or Speedco, least expensive alternative, cheaper than buying by the gallon by a long shot. As far as Lucas, plenty written about that outfit, snake oil in my book. Best to stay with a real oil company, it is the additive package that they formulate that you want, not the J&J Baby Oil that Lucas specializes in.
I just checked Walmart pricing, $14.62 a gallon on their website...
https://www.walmart.com/ip/Super-Tech-Gear-Lubricant-SAE-80W-90-1-Gallon/16795067
RE: GL4 - SquareOne - 08-23-2019
The Walmart Supertech is what I’ve been using , but it’s GL-5 classed. Can’t seem to find the GL-4 at my Walmart or the 2 Supercenters near me though.
RE: GL4 - Waterloo - 08-23-2019
Order it online from Walmart, they usually ship very fast. They are competing with Amazon...
RE: GL4 - SquareOne - 08-23-2019
Everything I have found in the Supertech is GL-5...even online
RE: GL4 - Chamberpains - 08-23-2019
Is the GL-5 harming any metals? What are your oil samples saying?
RE: GL4 - Rawze - 08-23-2019
(08-23-2019 )Chamberpains Wrote: Is the GL-5 harming any metals? What are your oil samples saying?
I use it most of the time. Never seen any issues in 1.3 million miles yet.
RE: GL4 - smorgan87 - 08-23-2019
I buy citgo/mystik brand gear oil in 5g buckets. I think its about 10 bucks a gallon.
RE: GL4 - bossboy2 - 08-23-2019
(08-23-2019 )Chamberpains Wrote: Is the GL-5 harming any metals? What are your oil samples saying?My oil samples are indicating raised copper levels. Last sample from Blackstone was 69 ppm.