>
> >Synthetic oils don't break down and don't absorb petrolium byproducts in
> >the sump. I also recommend synthetic in the transmission and differential.
>
> Can the changeover be done at oil change time, (in the gearbox or diff) or
> do I need to tear it all down to flush out the old stuff first? I'm a
Stan,
According to Redline their synthetic oils do mix with petroleum based
oils; in fact, I believe most synthetics contains some petroleum
products. I have synthetic gear oil in the snake's transmission and
diff (actually this is something of an ongoing activity) and everything
seems to be working just dandy after two years. I didn't do anything
beyond draining the old oil first; no flushing. Oh, and the steering
also has synthetic oil.
Roland "keeping his fingers crossed" Dudley
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