Shock oil?
 

Is the kind of shock oil used in rc car shocks the same as what kind is used in dirt bike fork tubes and rear shock?

Re: Shock oil?
 

There are to many types of fork oil on bikes to know if any are compatible with RC Shocks. I have a bike with "cartridge forks" and some fork oil would ruin the seals in them. A good starting point would be Team Associated 30 wt shock oil. I say this because the Associated oil seems to be carried by most hobby shops.

Re: Shock oil?
 

If it is silicone oil then yes. Bicycle shocks use it (usually in thinner grades than RCs).

Re: Shock oil?
 

I had the stock scx10 shocks all leak their oil out naturally over the past 2 years. So then I replaced it with a straight 30 weight oil(all I had laying around). It's been in it for roughly 9 months now without any issues. Hasn't hurt anything yet and seemed to be comparable to what they were originally. Plus it stopped leaking after the rebuild.

Re: Shock oil?
 

As a offroad motorcyclist I naturally had some Amsoil 'shock fluid' hanging around, 5 and 10 weight is what we used in various dirtbikes. It does not say it is silicone oil, I don't believe it is.
So I had bent a shock shaft on my new Arrma Typhon so I took it all apart and straightened the shaft. I didn't have RC shock fluid so thought I would try the 10 weight. Way too light, not nearly the damping effect as what was in there. So I'm picking up some RC 45-50wt silicone shock fluid tomorrow when my LHS opens.

Might work in my Ascender though - what is in there is too much for damping - it just does not rebound hardly at all. [shrug]