Quote:
Originally Posted by '68OrangeSunshine
They say with GL-5 90 weight [or the equivalent multi-visc] Gear Oil, you won't need the Posi additive, but I use it anyway.
And No I just picked up on this thread thru your link from the ODO thread.
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That's what I figured. Im just using 80-90 gear oil. I drained the old oil and added the friction modifier then topped her off from there.